Bio


How do things evolve in the universe? How are particles accelerated in the universe?

Professor Petrosian’s research covers many topics in the broad area of theoretical astrophysics and cosmology, with a strong focus on high-energy astrophysical processes.

Cosmological studies deal with global properties of the universe, where the main focus is the understanding of the evolution of the universe at high redshifts, through studies of the evolutions of population of sources such as galaxies and quasars or active galactic nuclei, gamma-ray bursts, using new statistical techniques developed in collaboration with Prof. B. Efron of the Department of Statistics. Another area of research is the use of gravitational lensing in measuring mass in the universe.

High-energy astrophysics research involves interpretation of non-thermal astronomical sources where particles are accelerated to very high energies and emit various kinds of radiation. These processes occur on many scales and in all sorts of objects: in the magnetosphere of planets, in the interplanetary space, during solar and stellar flares, in the accretion disks and jets around stellar-size and super-massive black holes, at centers of galaxies, in gamma-ray bursts, in supernovae, and in the intra-cluster medium of clusters of galaxies. Plasma physics processes common in all these sources for acceleration of particles and their radiative signature is the main focus of the research here.

Academic Appointments


Administrative Appointments


  • Teaching Assistant, Cornell University (1961 - 1961)
  • Research Assistant, CRSR, Cornell University (1962 - 1967)
  • Research Association, CRSR, Cornell University (1967 - 1967)
  • Research Fellow, California Institute of Technology (1967 - 1969)
  • Visiting Scientist, IOTA Cambridge (1969 - 1969)
  • Assistant Professor, Stanford University (1969 - 1971)
  • Associate Professor, Stanford University (1972 - 1979)
  • Professor, Stanford University (1980 - Present)
  • Iranian National Fellowship, National Iranian American Council (1958 - 1962)
  • Industrial Fellowship, Cornell University (1963 - 1964)
  • Fellowship, Alfred P. Sloan Foundation (1972 - 1974)

Boards, Advisory Committees, Professional Organizations


  • Consultant, Kitt Peak National Observatory (1971 - 1971)
  • Member, Arcetri, Florence (1982 - 1983)
  • Member, National Optical Astronomy Observatory (NOAO) (1982 - 1983)
  • Member, Nordita, Copenhagen (1982 - 1983)
  • Member, Cornell University (1982 - 1983)
  • Member, Observatoire de Meudron, France (1989 - 1990)
  • Member, Space Telescope Science Institute (1996 - 1996)
  • Member, National Optical Astronomy Observatory (NOAO) (1998 - 1998)
  • Member, Institute of Advanced Studies, Bochum University (2000 - 2000)
  • Member, Eta Kappa Nu, IEEE
  • Member, Tau Beta Pi, The Engineering Honor Society
  • Member, Royal Astronomical Society
  • Member, International Astronomical Union
  • Member, American Astronomical Society

Professional Education


  • Ph.D., Cornell University (1967)
  • M.S., Cornell University (1963)
  • B.E.E., Cornell University (1962)

2018-19 Courses


Stanford Advisees


All Publications


  • Probing the Puzzle of Behind-the-limb gamma-Ray Flares: Data-driven Simulations of Magnetic Connectivity and CME-driven Shock Evolution ASTROPHYSICAL JOURNAL Jin, M., Petrosian, V., Liu, W., Nitta, N., Omodei, N., da Costa, F., Effenberger, F., Li, G., Pesce-Rollins, M., Allafort, A., Manchester, W. 2018; 867 (2)
  • Implications of a Loop-top Origin for Microwave, Hard X-Ray, and Low-energy Gamma-Ray Emission from Behind-the-limb Flares ASTROPHYSICAL JOURNAL Petrosian, V. 2018; 865 (2)
  • Hard X-Ray Emission from Partially Occulted Solar Flares: RHESSI Observations in Two Solar Cycles ASTROPHYSICAL JOURNAL Effenberger, F., Da Costa, F. R., Oka, M., Saint-Hilaire, P., Liu, W., Petrosian, V., Glesener, L., Krucker, S. 2017; 835 (2)
  • PARTICLE ACCELERATION IN SOLAR FLARES AND ASSOCIATED CME SHOCKS ASTROPHYSICAL JOURNAL Petrosian, V. 2016; 830 (1)
  • DATA-DRIVEN RADIATIVE HYDRODYNAMIC MODELING OF THE 2014 MARCH 29 X1.0 SOLAR FLARE ASTROPHYSICAL JOURNAL Da Costa, F. R., Kleint, L., Petrosian, V., Liu, W., Allred, J. C. 2016; 827 (1)
  • THE FIRST FERMI LAT SUPERNOVA REMNANT CATALOG ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES Acero, F., Ackermann, M., Ajello, M., Baldini, L., Ballet, J., Barbiellini, G., Bastieri, D., Bellazzini, R., Bissaldi, E., Blandford, R. D., Bloom, E. D., Bonino, R., Bottacini, E., Brandt, T. J., Bregeon, J., Bruel, P., Buehler, R., Buson, S., Caliandro, G. A., Cameron, R. A., Caputo, R., Caragiulo, M., Caraveo, P. A., Casandjian, J. M., Cavazzuti, E., Cecchi, C., Chekhtman, A., Chiang, J., CHIARO, G., Ciprini, S., Claus, R., Cohen, J. M., Cohen-Tanugi, J., Cominsky, L. R., Condon, B., Conrad, J., Cutini, S., D'Ammando, F., De Angelis, A., de Palma, F., Desiante, R., Digel, S. W., Di Venere, L., Drell, P. S., Drlica-Wagner, A., Favuzzi, C., Ferrara, E. C., Franckowiak, A., Fukazawa, Y., Funk, S., Fusco, P., Gargano, F., Gasparrini, D., Giglietto, N., Giommi, P., Giordano, F., Giroletti, M., Glanzman, T., Godfrey, G., Gomez-Vargas, G. A., Grenier, I. A., Grondin, M., Guillemot, L., Guiriec, S., Gustafsson, M., Hadasch, D., Harding, A. K., Hayashida, M., Hays, E., Hewitt, J. W., Hill, A. B., Horan, D., Hou, X., IAFRATE, G., Jogler, T., Johannesson, G., Johnson, A. S., Kamae, T., Katagiri, H., Kataoka, J., Katsuta, J., Kerr, M., Knodlseder, J., Kocevski, D., Kuss, M., LAFFON, H., Lande, J., Larsson, S., Latronico, L., Lemoine-Goumard, M., Li, J., Li, L., Longo, F., Loparco, F., Lovellette, M. N., Lubrano, P., Magill, J., Maldera, S., Marelli, M., Mayer, M., Mazziotta, M. N., Michelson, P. F., Mitthumsiri, W., Mizuno, T., Moiseev, A. A., Monzani, M. E., Moretti, E., Morselli, A., Moskalenko, I. V., Murgia, S., Nemmen, R., Nuss, E., Ohsugi, T., Omodei, N., Orienti, M., Orlando, E., Ormes, J. F., Paneque, D., Perkins, J. S., Pesce-Rollins, M., Petrosian, V., Piron, F., Pivato, G., Porter, T. A., Raino, S., Rando, R., Razzano, M., Razzaque, S., Reimer, A., Reimer, O., RENAUD, M., Reposeur, T., Rousseau, R., Parkinson, P. M., Schmid, J., Schulz, A., Sgro, C., SISKIND, E. J., Spada, F., Spandre, G., Spinelli, P., Strong, A. W., Suson, D. J., Tajima, H., Takahashi, H., Tanaka, T., Thayer, J. B., Thompson, D. J., Tibaldo, L., Tibolla, O., Torres, D. F., Tosti, G., Troja, E., Uchiyama, Y., Vianello, G., Wells, B., Wood, K. S., Wood, M., Yassine, M., den Hartog, P. R., Zimmer, S. 2016; 224 (1)
  • Resolving the Extragalactic gamma-Ray Background above 50 GeV with the Fermi Large Area Telescope PHYSICAL REVIEW LETTERS Ackermann, M., Ajello, M., Albert, A., Atwood, W. B., Baldini, L., Ballet, J., Barbiellini, G., Bastieri, D., Bechtol, K., Bellazzini, R., Bissaldi, E., Blandford, R. D., Bloom, E. D., Bonino, R., Bregeon, J., Britto, R. J., Bruel, P., Buehler, R., Caliandro, G. A., Cameron, R. A., Caragiulo, M., Caraveo, P. A., Cavazzuti, E., Cecchi, C., Charles, E., Chekhtman, A., Chiang, J., CHIARO, G., Ciprini, S., Cohen-Tanugi, J., Cominsky, L. R., Costanza, F., Cutini, S., D'Ammando, F., De Angelis, A., De Palma, F., Desiante, R., Digel, S. W., Di Mauro, M., Di Venere, L., Dominguez, A., Drell, P. S., Favuzzi, C., Fegan, S. J., Ferrara, E. C., Franckowiak, A., Fukazawa, Y., Funk, S., Fusco, P., Gargano, F., Gasparrini, D., Giglietto, N., Giommi, P., Giordano, F., Giroletti, M., Godfrey, G., Green, D., Grenier, I. A., Guiriec, S., Hays, E., Horan, D., IAFRATE, G., Jogler, T., Johannesson, G., Kuss, M., La Mura, G., Larsson, S., Latronico, L., Li, J., Li, L., Longo, F., Loparco, F., Lott, B., Lovellette, M. N., Lubrano, P., Madejski, G. M., Magill, J., Maldera, S., Manfreda, A., Mayer, M., Mazziotta, M. N., Michelson, P. F., Mitthumsiri, W., Mizuno, T., Moiseev, A. A., Monzani, M. E., Morselli, A., Moskalenko, I. V., Murgia, S., Negro, M., Nuss, E., Ohsugi, T., Okada, C., Omodei, N., Orlando, E., Ormes, J. F., Paneque, D., Perkins, J. S., Pesce-Rollins, M., Petrosian, V., Piron, F., Pivato, G., Porter, T. A., Raino, S., Rando, R., Razzano, M., Razzaque, S., Reimer, A., Reimer, O., Reposeur, T., Romani, R. W., Sanchez-Conde, M., Schmid, J., Schulz, A., Sgro, C., Simone, D., SISKIND, E. J., Spada, F., Spandre, G., Spinelli, P., Suson, D. J., Takahashi, H., Thayer, J. B., Tibaldo, L., Torres, D. F., Troja, E., Vianello, G., Yassine, M., Zimmer, S. 2016; 116 (15)

    Abstract

    The Fermi Large Area Telescope (LAT) Collaboration has recently released a catalog of 360 sources detected above 50 GeV (2FHL). This catalog was obtained using 80 months of data re-processed with Pass 8, the newest event-level analysis, which significantly improves the acceptance and angular resolution of the instrument. Most of the 2FHL sources at high Galactic latitude are blazars. Using detailed Monte Carlo simulations, we measure, for the first time, the source count distribution, dN/dS, of extragalactic γ-ray sources at E>50  GeV and find that it is compatible with a Euclidean distribution down to the lowest measured source flux in the 2FHL (∼8×10^{-12}  ph cm^{-2} s^{-1}). We employ a one-point photon fluctuation analysis to constrain the behavior of dN/dS below the source detection threshold. Overall, the source count distribution is constrained over three decades in flux and found compatible with a broken power law with a break flux, S_{b}, in the range [8×10^{-12},1.5×10^{-11}]  ph cm^{-2} s^{-1} and power-law indices below and above the break of α_{2}∈[1.60,1.75] and α_{1}=2.49±0.12, respectively. Integration of dN/dS shows that point sources account for at least 86_{-14}^{+16}% of the total extragalactic γ-ray background. The simple form of the derived source count distribution is consistent with a single population (i.e., blazars) dominating the source counts to the minimum flux explored by this analysis. We estimate the density of sources detectable in blind surveys that will be performed in the coming years by the Cherenkov Telescope Array.

    View details for DOI 10.1103/PhysRevLett.116.151105

    View details for Web of Science ID 000373984100003

    View details for PubMedID 27127954

  • Measurement of the high-energy gamma-ray emission from the Moon with the Fermi Large Area Telescope PHYSICAL REVIEW D Ackermann, M., Ajello, M., Albert, A., Atwood, W. B., Baldini, L., Barbiellini, G., Bastieri, D., Bellazzini, R., Bissaldi, E., Blandford, R. D., Bonino, R., Bottacini, E., Bregeon, J., Bruel, P., Buehler, R., Caliandro, G. A., Cameron, R. A., Caragiulo, M., Caraveo, P. A., Cavazzuti, E., Cecchi, C., Chekhtman, A., Chiang, J., CHIARO, G., Ciprini, S., Claus, R., Cohen-Tanugi, J., Costanza, F., Cuoco, A., Cutini, S., D'Ammando, F., De Angelis, A., De Palma, F., Desiante, R., Digel, S. W., Di Venere, L., Drell, P. S., Favuzzi, C., Fegan, S. J., Focke, W. B., Franckowiak, A., Funk, S., Fusco, P., Gargano, F., Gasparrini, D., Giglietto, N., Giordano, F., Giroletti, M., Glanzman, T., Godfrey, G., Grenier, I. A., Grove, J. E., Guiriec, S., Harding, A. K., Hewitt, J. W., Horan, D., Hou, X., IAFRATE, G., Johannesson, G., Kamae, T., Kuss, M., Larsson, S., Latronico, L., Li, J., Li, L., Longo, F., Loparco, F., Lovellette, M. N., Lubrano, P., Magill, J., Maldera, S., Manfreda, A., Mayer, M., Mazziotta, M. N., Michelson, P. F., Mitthumsiri, W., Mizuno, T., Monzani, M. E., Morselli, A., Murgia, S., Nuss, E., Omodei, N., Orlando, E., Ormes, J. F., Paneque, D., Perkins, J. S., Pesce-Rollins, M., Petrosian, V., Piron, F., Pivato, G., Raino, S., Rando, R., Razzano, M., Reimer, A., Reimer, O., Reposeur, T., Sgro, C., SISKIND, E. J., Spada, F., Spandre, G., Spinelli, P., Takahashi, H., Thayer, J. B., Thompson, D. J., Tibaldo, L., Torres, D. F., Tosti, G., Troja, E., Vianello, G., Winer, B. L., Wood, K. S., Yassine, M. 2016; 93 (8)
  • SEARCH FOR GAMMA-RAY EMISSION FROM THE COMA CLUSTER WITH SIX YEARS OF FERMI-LAT DATA ASTROPHYSICAL JOURNAL Ackermann, M., Ajello, M., Albert, A., Atwood, W. B., Baldini, L., Ballet, J., Barbiellini, G., Bastieri, D., Bechtol, K., Bellazzini, R., Bissaldi, E., Blandford, R. D., Blooms, E. D., Bonino, R., Bottacini, E., Bregeon, J., Bruel, P., Buehler, R., Caliandro, G. A., Cameron, R. A., Caragiulo, M., Caraveo, P. A., Casandjian, J. M., Cavazzuti, E., Cecchi, C., Charles, E., Chekhtman, A., CHIARO, G., Ciprini, S., Cohen-Tanugi, J., Conrad, J., Cutini, S., D'Ammando, F., De Angelis, A., De Palma, F., Desiante, R., Digel, S. W., Di Venere, L., Drell, P. S., Favuzzi, C., Fegan, S. J., Fuxazawa, Y., Funk, S., Fusco, P., Gargano, F., Gasparrini, D., Giglietto, N., Giordano, F., Giroletti, M., Godfrey, G., Green, D., Grenier, I. A., Guiriec, S., Hays, E., Hewitt, J. W., Horan, D., Johannesson, G., Kuss, M., Larsson, S., Latronico, L., Li, J., Li, L., Longo, F., Loparco, F., Lovellette, M. N., Lubrano, P., Madejski, G. M., Maldera, S., Manfreda, A., Mayer, M., Mazziotta, M. N., Michelson, P. F., Mitthumsiri, W., Mizuno, T., Monzani, M. E., Morselli, A., Moskalenko, I. V., Murgia, S., Nuss, E., Ohsugi, T., Orienti, M., Orlando, E., Ormes, J. F., Paneque, D., Pesce-Rollins, M., Petrosian, V., Piron, F., Pivato, G., Porter, T. A., Raino, S., Rando, R., Razzano, M., Reimer, A., Reimer, O., Sanchez-Conde, M., Sgro, C., SISKIND, E. J., Spada, F., Spandre, G., Spinelli, P., Tajima, H., Takahashi, H., Thayer, J. B., Tibaldo, L., Torres, D. F., Tosti, G., Troja, E., Vianello, G., Wood, K. S., Zimmer, S., Rephaeli, Y. 2016; 819 (2)
  • 2FHL: THE SECOND CATALOG OF HARD FERMI-LAT SOURCES ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES Ackermann, M., Ajello, M., Atwood, W. B., Baldini, L., Ballet, J., Barbiellini, G., Bastieri, D., Gonzalez, J. B., Bellazzini, R., Bissaldi, E., Blandford, R. D., Bloom, E. D., Bonino, R., Bottacini, E., Brandt, T. J., Bregeon, J., Bruel, P., Buehler, R., Buson, S., Caliandro, G. A., Cameron, R. A., Caputo, R., Caragiulo, M., Caraveo, P. A., Cavazzuti, E., Cecchi, C., Charles, E., Chekhtman, A., Cheung, C. C., Chiang, J., CHIARO, G., Ciprini, S., Cohen, J. M., Cohen-Tanugi, J., Cominsky, L. R., Conrad, J., Cuoco, A., Cutini, S., D'Ammando, F., De Angelis, A., De Palma, F., Desiante, R., Di Mauro, M., Di Venere, L., Dominguez, A., Drell, P. S., Favuzzi, C., Fegan, S. J., Ferrara, E. C., Focke, W. B., Fortin, P., Franckowiak, A., Fukazawa, Y., Funk, S., Furniss, A. K., Fusco, P., Gargano, F., Gasparrini, D., Giglietto, N., Giommi, P., Giordano, F., Giroletti, M., Glanzman, T., Godfrey, G., Grenier, I. A., Grondin, M., Guillemot, L., Guiriec, S., Harding, A. K., Hays, E., Hewitt, J. W., Hill, A. B., Horan, D., IAFRATE, G., Hartmann, D., Jogler, T., Johannesson, G., Johnson, A. S., Kamae, T., Kataoka, J., Knoedlseder, J., Kuss, M., La Mura, G., Larsson, S., Latronico, L., Lemoine-Goumard, M., Li, J., Li, L., Longo, F., Loparco, F., Lott, B., Lovellette, M. N., Lubrano, P., Madejski, G. M., Maldera, S., Manfreda, A., Mayer, M., Mazziotta, M. N., Michelson, P. F., Mirabal, N., Mitthumsiri, W., Mizuno, T., Moiseev, A. A., Monzani, M. E., Morselli, A., Moskalenko, I. V., Murgia, S., Nuss, E., Ohsugi, T., Omodei, N., Orienti, M., Orlando, E., Ormes, J. F., Paneque, D., Perkins, J. S., Pesce-Rollins, M., Petrosian, V., Piron, F., Pivato, G., Porter, T. A., Raino, S., Rando, R., Razzano, M., Razzaque, S., Reimer, A., Reimer, O., Reposeur, T., Romani, R. W., Sanchez-Conde, M., Parkinson, P. M., Schmid, J., Schulz, A., Sgro, C., SISKIND, E. J., Spada, F., Spandre, G., Spinelli, P., Suson, D. J., Tajima, H., Takahashi, H., Takahashi, M., Takahashi, T., Thayer, J. B., Thompson, D. J., Tibaldo, L., Torres, D. F., Tosti, G., Troja, E., Vianello, G., Wood, K. S., Wood, M., Yassine, M., Zaharijas, G., Zimmer, S. 2016; 222 (1)
  • MULTIWAVELENGTH EVIDENCE FOR QUASI-PERIODIC MODULATION IN THE GAMMA-RAY BLAZAR PG 1553+113 ASTROPHYSICAL JOURNAL LETTERS Ackermann, M., Ajello, M., Albert, A., Atwood, W. B., Baldini, L., Ballet, J., Barbiellini, G., Bastieri, D., Gonzalez, J. B., Bellazzini, R., Bissaldi, E., Blandford, R. D., Bloom, E. D., Bonino, R., Bottacini, E., Bregeon, J., Bruel, P., Buehler, R., Buson, S., Caliandro, G. A., Cameron, R. A., Caputo, R., Caragiulo, M., Caraveo, P. A., Cavazzuti, E., Cecchi, C., Chekhtman, A., Chiang, J., CHIARO, G., Ciprini, S., Cohen-Tanugi, J., Conrad, J., Cutini, S., D'Ammando, F., De Angelis, A., De Palma, F., Desiante, R., Di Venere, L., Dominguez, A., Drell, P. S., Favuzzi, C., Fegan, S. J., Ferrara, E. C., Focke, W. B., Fuhrmann, L., Fukazawa, Y., Fusco, P., Gargano, F., Gasparrini, D., Giglietto, N., Giommi, P., Giordano, F., Giroletti, M., Godfrey, G., Green, D., Grenier, I. A., Grove, J. E., Guiriec, S., Harding, A. K., Hays, E., Hewitt, J. W., Hill, A. B., Horan, D., Jogler, T., Johannesson, G., Johnson, A. S., Kamae, T., Kuss, M., Larsson, S., Latronico, L., Li, J., Li, L., Longo, F., Loparco, F., Lott, B., Lovellette, M. N., Lubrano, P., Magill, J., Maldera, S., Manfreda, A., Max-Moerbeck, W., Mayer, M., Mazziotta, M. N., McEnery, J. E., Michelson, P. F., Mizuno, T., Monzani, M. E., Morselli, A., Moskalenko, I. V., Murgia, S., Nuss, E., Ohno, M., Ohsugi, T., Ojha, R., Omodei, N., Orlando, E., Ormes, J. F., Paneque, D., Pearson, T. J., Perkins, J. S., Perri, M., Pesce-Rollins, M., Petrosian, V., Piron, F., Pivato, G., Porter, T. A., Raino, S., Rando, R., Razzano, M., Readhead, A., Reimer, A., Reimer, O., Schulz, A., Sgro, C., SISKIND, E. J., Spada, F., Spandre, G., Spinelli, P., Suson, D. J., Takahashi, H., Thayer, J. B., Thompson, D. J., Tibaldo, L., Torres, D. F., Tosti, G., Troja, E., Uchiyama, Y., Vianello, G., Wood, K. S., Wood, M., Zimmer, S., Berdyugin, A., Corbet, R. H., Hovatta, T., Lindfors, E., NILSSON, K., Reinthal, R., Sillanpaa, A., Stamerra, A., Takalo, L. O., Valtonen, M. J. 2015; 813 (2)
  • COMBINED MODELING OF ACCELERATION, TRANSPORT, AND HYDRODYNAMIC RESPONSE IN SOLAR FLARES. II. INCLUSION OF RADIATIVE TRANSFER WITH RADYN ASTROPHYSICAL JOURNAL Da Costa, F. R., Liu, W., Petrosian, V., Carlsson, M. 2015; 813 (2)
  • ACCELERATION OF THERMAL PROTONS BY GENERIC PHENOMENOLOGICAL MECHANISMS ASTROPHYSICAL JOURNAL Petrosian, V., Kang, B. 2015; 813 (1)
  • SEARCH FOR EXTENDED GAMMA-RAY EMISSION FROM THE VIRGO GALAXY CLUSTER WITH FERMI-LAT ASTROPHYSICAL JOURNAL Ackermann, M., Ajello, M., Albert, A., Atwood, W. B., Baldini, L., Barbiellini, G., Bastieri, D., Bechtol, K., Bellazzini, R., Bissaldi, E., Bloom, E. D., Bonino, R., Bottacini, E., Brandt, T. J., Bregeon, J., Bruel, P., Buehler, R., Buson, S., Caliandro, G. A., Cameron, R. A., Caputo, R., Caragiulo, M., Caraveo, P. A., Casandjian, J. M., Cavazzuti, E., Cecchi, C., Charles, E., Chekhtman, A., CHIARO, G., Ciprini, S., Cohen-Tanugi, J., Conrad, J., Cutini, S., D'Ammando, F., De Angelis, A., De Palma, F., Desiante, R., Digel, S. W., Di Venere, L., Drell, P. S., Favuzzi, C., Fegan, S. J., Focke, W. B., Franckowiak, A., Fukazawa, Y., Funk, S., Fusco, P., Gargano, F., Gasparrini, D., Giglietto, N., Giordano, F., Giroletti, M., Glanzman, T., Godfrey, G., Gomez-Vargas, G. A., Grenier, A., Guiriec, S., Gustafsson, M., Hewitt, J. W., Hill, A. B., Horan, D., Jeltema, T. E., Jogler, T., Johnson, A. S., Kuss, M., Larsson, S., Latronico, L., Li, J., Li, L., Longo, F., Loparco, F., Lovellette, M. N., Lubrano, P., Maldera, S., Malyshev, D., Manfreda, A., Mayer, M., Mazziotta, M. N., Michelson, P. F., Mizuno, T., Monzani, M. E., Morselli, A., Moskalenko, I. V., Murgia, S., Nuss, E., Ohsugi, T., Orienti, M., Orlando, E., Ormes, J. F., Paneque, D., Perkins, J. S., Pesce-Rollins, M., Petrosian, V., Piron, F., Pivato, G., Porter, T. A., Raino, S., Rando, R., Razzano, M., Reimer, A., Reimer, O., Sanchez-Conde, M., Schulz, A., Sgro, C., SISKIND, E. J., Spada, F., Spandre, G., Spinelli, P., Storm, E., Tajima, H., Takahashi, H., Thayer, J. B., Torres, D. F., Tosti, G., Troja, E., Vianello, G., Wood, K. S., Wood, M., Zaharijas, G., Zimmer, S., Pinzke, A. 2015; 812 (2)
  • Luminosity-time and luminosity-luminosity correlations for GRB prompt and afterglow plateau emissions MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY Dainotti, M., Petrosian, V., Willingale, R., O'Brien, P., Ostrowski, M., Nagataki, S. 2015; 451 (4): 3898-3908
  • COSMOLOGICAL EVOLUTION OF LONG GAMMA-RAY BURSTS AND THE STAR FORMATION RATE ASTROPHYSICAL JOURNAL Petrosian, V., Kitanidis, E., Kocevski, D. 2015; 806 (1)
  • FIRST DETECTION OF > 100 MeV GAMMA-RAYS ASSOCIATED WITH A BEHIND-THE-LIMB SOLAR FLARE ASTROPHYSICAL JOURNAL LETTERS Pesce-Rollins, M., Omodei, N., Petrosian, V., Liu, W., da Costa, F. R., Allafort, A., Chen, Q. 2015; 805 (2)
  • SOLAR FLARE CHROMOSPHERIC LINE EMISSION: COMPARISON BETWEEN IBIS HIGH-RESOLUTION OBSERVATIONS AND RADIATIVE HYDRODYNAMIC SIMULATIONS ASTROPHYSICAL JOURNAL Da Costa, F. R., Kleint, L., Petrosian, V., Dalda, A. S., Liu, W. 2015; 804 (1)
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  • INJECTION OF kappa-LIKE SUPRATHERMAL PARTICLES INTO DIFFUSIVE SHOCK ACCELERATION ASTROPHYSICAL JOURNAL Kang, H., Petrosian, V., Ryu, D., Jones, T. W. 2014; 788 (2)
  • HIGH-ENERGY GAMMA-RAY EMISSION FROM SOLAR FLARES: SUMMARY OF FERMI LARGE AREA TELESCOPE DETECTIONS AND ANALYSIS OF TWO M-CLASS FLARES ASTROPHYSICAL JOURNAL Ackermann, M., Ajello, M., Albert, A., Allafort, A., Baldini, L., Barbiellini, G., Bastieri, D., Bechtol, K., Bellazzini, R., Bissaldi, E., Bonamente, E., Bottacini, E., Bouvier, A., Brandt, T. J., Bregeon, J., Brigida, M., Bruel, P., Buehler, R., Buson, S., Caliandro, G. A., Cameron, R. A., Caraveo, P. A., Cecchi, C., Charles, E., Chekhtman, A., Chen, Q., Chiang, J., CHIARO, G., Ciprini, S., Claus, R., Cohen-Tanugi, J., Conrad, J., Cutini, S., D'Ammando, F., De Angelis, A., De Palma, F., Dermer, C. D., Desiante, R., Digel, S. W., Di Venere, L., do Couto e Silva, E., Drell, P. S., Drlica-Wagner, A., Favuzzi, C., Fegan, S. J., Focke, W. B., Franckowiak, A., Fukazawa, Y., Funk, S., Fusco, P., Gargano, F., Gasparrini, D., Germani, S., Giglietto, N., Giordano, F., Giroletti, M., Glanzman, T., Godfrey, G., Grenier, I. A., Grove, J. E., Guiriec, S., Hadasch, D., Hayashida, M., Hays, E., Horan, D., Hughes, R. E., Inoue, Y., Jackson, M. S., Jogler, T., Johannesson, G., Johnson, W. N., Kamae, T., Kawano, T., Knoedlseder, J., Kuss, M., Lande, J., Larsson, S., Latronico, L., Lemoine-Goumard, M., Longo, F., Loparco, F., Lott, B., Lovellette, M. N., Lubrano, P., Mayer, M., Mazziotta, M. N., McEnery, J. E., Michelson, P. F., Mizuno, T., Moiseev, A. A., Monte, C., Monzani, M. E., Moretti, E., Morselli, A., Moskalenko, I. V., Murgia, S., Murphy, R., Nemmen, R., Nuss, E., Ohno, M., Ohsugi, T., Okumura, A., Omodei, N., Orienti, M., Orlando, E., Ormes, J. F., Paneque, D., Panetta, J. H., Perkins, J. S., Pesce-Rollins, M., Petrosian, V., Piron, F., Pivato, G., Porter, T. A., Raino, S., Rando, R., Razzano, M., Reimer, A., Reimer, O., Ritz, S., Schulz, A., Sgro, C., SISKIND, E. J., Spandre, G., Spinelli, P., Takahashi, H., Takeuchi, Y., Tanaka, Y., Thayer, J. G., Thayer, J. B., Thompson, D. J., Tibaldo, L., Tinivella, M., Tosti, G., Troja, E., TRONCONI, V., Usher, T. L., Vandenbroucke, J., Vasileiou, V., Vianello, G., Vitale, V., Werner, M., Winer, B. L., Wood, D. L., Wood, K. S., Wood, M., Yang, Z. 2014; 787 (1)
  • Determination of acceleration mechanism characteristics directly and nonparametrically from observations: Application to supernova remnants PHYSICAL REVIEW D Petrosian, V., Chen, Q. 2014; 89 (10)
  • GAMMA-RAY LUMINOSITY AND PHOTON INDEX EVOLUTION OF FSRQ BLAZARS AND CONTRIBUTION TO THE GAMMA-RAY BACKGROUND ASTROPHYSICAL JOURNAL Singal, J., Ko, A., Petrosian, V. 2014; 786 (2)
  • Fermi-LAT Observations of the Gamma-Ray Burst GRB 130427A SCIENCE Ackermann, M., Ajello, M., Asano, K., Atwood, W. B., Axelsson, M., Baldini, L., Ballet, J., Barbiellini, G., Baring, M. G., Bastieri, D., Bechtol, K., Bellazzini, R., Bissaldi, E., Bonamente, E., Bregeon, J., Brigida, M., Bruel, P., Buehler, R., Burgess, J. M., Buson, S., Caliandro, G. A., Cameron, R. A., Caraveo, P. A., Cecchi, C., CHAPLIN, V., Charles, E., Chekhtman, A., Cheung, C. C., Chiang, J., CHIARO, G., Ciprini, S., Claus, R., Cleveland, W., Cohen-Tanugi, J., Collazzi, A., Cominsky, L. R., Connaughton, V., Conrad, J., Cutini, S., D'Ammando, F., De Angelis, A., DeKlotz, M., De Palma, F., Dermer, C. D., Desiante, R., Diekmann, A., Di Venere, L., Drell, P. S., Drlica-Wagner, A., Favuzzi, C., Fegan, S. J., Ferrara, E. C., Finke, J., Fitzpatrick, G., Focke, W. B., Franckowiak, A., Fukazawa, Y., Funk, S., Fusco, P., Gargano, F., Gehrels, N., Germani, S., Gibby, M., Giglietto, N., Giles, M., Giordano, F., Giroletti, M., Godfrey, G., Granot, J., Grenier, I. A., Grove, J. E., Gruber, D., Guiriec, S., Hadasch, D., Hanabata, Y., Harding, A. K., Hayashida, M., Hays, E., Horan, D., Hughes, R. E., Inoue, Y., Jogler, T., Johannesson, G., Johnson, W. N., Kawano, T., Knoedlseder, J., Kocevski, D., Kuss, M., Lande, J., Larsson, S., Latronico, L., Longo, F., Loparco, F., Lovellette, M. N., Lubrano, P., Mayer, M., Mazziotta, M. N., McEnery, J. E., Michelson, P. F., Mizuno, T., Moiseev, A. A., Monzani, M. E., Moretti, E., Morselli, A., Moskalenko, I. V., Murgia, S., Nemmen, R., Nuss, E., Ohno, M., Ohsugi, T., Okumura, A., Omodei, N., Orienti, M., Paneque, D., Pelassa, V., Perkins, J. S., Pesce-Rollins, M., Petrosian, V., Piron, F., Pivato, G., Porter, T. A., Racusin, J. L., Raino, S., Rando, R., Razzano, M., Razzaque, S., Reimer, A., Reimer, O., Ritz, S., Roth, M., Ryde, F., Sartori, A., Parkinson, P. M., Scargle, J. D., Schulz, A., Sgro, C., SISKIND, E. J., Sonbas, E., Spandre, G., Spinelli, P., Tajima, H., Takahashi, H., Thayer, J. G., Thayer, J. B., Thompson, D. J., Tibaldo, L., Tinivella, M., Torres, D. F., Tosti, G., Troja, E., Usher, T. L., Vandenbroucke, J., Vasileiou, V., Vianello, G., Vitale, V., Winer, B. L., Wood, K. S., Yamazaki, R., Younes, G., Yu, H., Zhu, S. J., Bhat, P. N., Briggs, M. S., Byrne, D., Foley, S., Goldstein, A., Jenke, P., Kippen, R. M., Kouveliotou, C., McBreen, S., Meegan, C., Paciesas, W. S., Preece, R., Rau, A., Tierney, D., van der Horst, A. J., von Kienlin, A., Wilson-Hodge, C., Xiong, S., Cusumano, G., La Parola, V., Cummings, J. R. 2014; 343 (6166): 42-47

    Abstract

    The observations of the exceptionally bright gamma-ray burst (GRB) 130427A by the Large Area Telescope aboard the Fermi Gamma-ray Space Telescope provide constraints on the nature of these unique astrophysical sources. GRB 130427A had the largest fluence, highest-energy photon (95 GeV), longest γ-ray duration (20 hours), and one of the largest isotropic energy releases ever observed from a GRB. Temporal and spectral analyses of GRB 130427A challenge the widely accepted model that the nonthermal high-energy emission in the afterglow phase of GRBs is synchrotron emission radiated by electrons accelerated at an external shock.

    View details for DOI 10.1126/science.1242353

    View details for Web of Science ID 000329162000042

    View details for PubMedID 24263133

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  • DETECTION OF A SPECTRAL BREAK IN THE EXTRA HARD COMPONENT OF GRB 090926A ASTROPHYSICAL JOURNAL Ackermann, M., Ajello, M., Asano, K., Axelsson, M., Baldini, L., Ballet, J., Barbiellini, G., Baring, M. G., Bastieri, D., Bechtol, K., Bellazzini, R., Berenji, B., Bhat, P. N., Bissaldi, E., Blandford, R. D., Bonamente, E., Borgland, A. W., Bouvier, A., Bregeon, J., Brez, A., Briggs, M. S., Brigida, M., Bruel, P., Buehler, R., Buson, S., Caliandro, G. A., Cameron, R. A., Caraveo, P. A., Carrigan, S., Casandjian, J. M., Cecchi, C., Celik, O., CHAPLIN, V., Charles, E., Chekhtman, A., Chiang, J., Ciprini, S., Claus, R., Cohen-Tanugi, J., Connaughton, V., Conrad, J., Cutini, S., Dermer, C. D., De Angelis, A., De Palma, F., Dingus, B. L., Silva, E. d., Drell, P. S., Dubois, R., Favuzzi, C., Fegan, S. J., Ferrara, E. C., Focke, W. B., Frailis, M., Fukazawa, Y., Funk, S., Fusco, P., Gargano, F., Gasparrini, D., Gehrels, N., Germani, S., Giglietto, N., Giordano, F., Giroletti, M., Glanzman, T., Godfrey, G., Goldstein, A., Granot, J., Greiner, J., Grenier, I. A., Grove, J. E., Guiriec, S., Hadasch, D., Hanabata, Y., Harding, A. K., Hayashi, K., Hayashida, M., Hays, E., Horan, D., Hughes, R. E., Itoh, R., Johannesson, G., Johnson, A. S., Johnson, W. N., Kamae, T., Katagiri, H., Kataoka, J., Kippen, R. M., Knoedlseder, J., Kocevski, D., Kouveliotou, C., Kuss, M., Lande, J., Latronico, L., Lee, S., Garde, M. L., Longo, F., Loparco, F., Lovellette, M. N., Lubrano, P., Makeev, A., Mazziotta, M. N., McBreen, S., McEnery, J. E., McGlynn, S., Meegan, C., Mehault, J., Meszaros, P., Michelson, P. F., Mizuno, T., Monte, C., Monzani, M. E., Moretti, E., Morselli, A., Moskalenko, I. V., Murgia, S., Nakajima, H., Nakamori, T., Naumann-Godo, M., Nishino, S., Nolan, P. L., Norris, J. P., Nuss, E., Ohno, M., Ohsugi, T., Okumura, A., Omodei, N., Orlando, E., Ormes, J. F., Ozaki, M., Paciesas, W. S., Paneque, D., Panetta, J. H., Parent, D., Pelassa, V., Pepe, M., Pesce-Rollins, M., Petrosian, V., Piron, F., Porter, T. A., Preece, R., Racusin, J. L., Raino, S., Rando, R., Rau, A., Razzano, M., Razzaque, S., Reimer, A., Reimer, O., Reposeur, T., Reyes, L. C., Ripken, J., Ritz, S., Roth, M., Ryde, F., Sadrozinski, H. W., Sander, A., Scargle, J. D., Strickman, M. S., Suson, D. J., Tajima, H., Takahashi, H., Tanaka, T., Tanaka, Y., Thayer, J. B., Thayer, J. G., Tibaldo, L., Tierney, D., Toma, K., Torres, D. F., Tosti, G., Tramacere, A., Uchiyama, Y., Uehara, T., Usher, T. L., Vandenbroucke, J., van der Horst, A. J., Vasileiou, V., Vilchez, N., Vitale, V., von Kienlin, A., Waite, A. P., Wang, P., Wilson-Hodge, C., Winer, B. L., Wood, K. S., Wu, X. F., Yamazaki, R., Yang, Z., Ylinen, T., Ziegler, M. 2011; 729 (2)
  • Sources of the radio background considered MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY Singal, J., Stawarz, L., Lawrence, A., Petrosian, V. 2010; 409 (3): 1172-1182
  • Fermi LAT observations of cosmic-ray electrons from 7 GeV to 1 TeV PHYSICAL REVIEW D Ackermann, M., Ajello, M., Atwood, W. B., Baldini, L., Ballet, J., Barbiellini, G., Bastieri, D., Baughman, B. M., Bechtol, K., Bellardi, F., Bellazzini, R., Belli, F., Berenji, B., Blandford, R. D., Bloom, E. D., Bogart, J. R., Bonamente, E., Borgland, A. W., Brandt, T. J., Bregeon, J., Brez, A., Brigida, M., Bruel, P., Buehler, R., Burnett, T. H., Busetto, G., Buson, S., Caliandro, G. A., Cameron, R. A., Caraveo, P. A., Carlson, P., Carrigan, S., Casandjian, J. M., Ceccanti, M., Cecchi, C., Celik, O., Charles, E., Chekhtman, A., Cheung, C. C., Chiang, J., Cillis, A. N., Ciprini, S., Claus, R., Cohen-Tanugi, J., Conrad, J., Corbet, R., DeKlotz, M., Dermer, C. D., De Angelis, A., De Palma, F., Digel, S. W., Di Bernardo, G., do Couto e Silva, E., Drell, P. S., Drlica-Wagner, A., Dubois, R., Fabiani, D., Favuzzi, C., Fegan, S. J., Fortin, P., Fukazawa, Y., Funk, S., Fusco, P., Gaggero, D., Gargano, F., Gasparrini, D., Gehrels, N., Germani, S., Giglietto, N., Giommi, P., Giordano, F., Giroletti, M., Glanzman, T., Godfrey, G., Grasso, D., Grenier, I. A., Grondin, M., Grove, J. E., Guiriec, S., Gustafsson, M., Hadasch, D., Harding, A. K., Hayashida, M., Hays, E., Horan, D., Hughes, R. E., Johannesson, G., Johnson, A. S., Johnson, R. P., Johnson, W. N., Kamae, T., Katagiri, H., Kataoka, J., Kerr, M., Knoedlseder, J., Kuss, M., Lande, J., Latronico, L., Lemoine-Goumard, M., Garde, M. L., Longo, F., Loparco, F., Lott, B., Lovellette, M. N., Lubrano, P., Makeev, A., Mazziotta, M. N., McEnery, J. E., Mehault, J., Michelson, P. F., Minuti, M., Mitthumsiri, W., Mizuno, T., Moiseev, A. A., Monte, C., Monzani, M. E., Moretti, E., Morselli, A., Moskalenko, I. V., Murgia, S., Nakamori, T., Naumann-Godo, M., Nolan, P. L., Norris, J. P., Nuss, E., Ohsugi, T., Okumura, A., Omodei, N., Orlando, E., Ormes, J. F., Ozaki, M., Paneque, D., Panetta, J. H., Parent, D., Pelassa, V., Pepe, M., Pesce-Rollins, M., Petrosian, V., Pinchera, M., Piron, F., Porter, T. A., Profumo, S., Raino, S., Rando, R., Rapposelli, E., Razzano, M., Reimer, A., Reimer, O., Reposeur, T., Ripken, J., Ritz, S., Rochester, L. S., Romani, R. W., Roth, M., Sadrozinski, H. W., Saggini, N., Sanchez, D., Sander, A., Sgro, C., SISKIND, E. J., Smith, P. D., Spandre, G., Spinelli, P., Stawarz, L., STEPHENS, T. E., Strickman, M. S., Strong, A. W., Suson, D. J., Tajima, H., Takahashi, H., Takahashi, T., Tanaka, T., Thayer, J. B., Thayer, J. G., Thompson, D. J., Tibaldo, L., Tibolla, O., Torres, D. F., Tosti, G., Tramacere, A., Turri, M., Uchiyama, Y., Usher, T. L., Vandenbroucke, J., Vasileiou, V., Vilchez, N., Vitale, V., Waite, A. P., Wallace, E., Wang, P., Winer, B. L., Wood, K. S., Yang, Z., Ylinen, T., Ziegler, M. 2010; 82 (9)
  • FERMI OBSERVATIONS OF HIGH-ENERGY GAMMA-RAY EMISSION FROM GRB 090217A ASTROPHYSICAL JOURNAL LETTERS Ackermann, M., Ajello, M., Baldini, L., Ballet, J., Barbiellini, G., Baring, M. G., Bastieri, D., Bechtol, K., Bellazzini, R., Berenji, B., Bhat, P. N., Bissaldi, E., Blandford, R. D., Bonamente, E., Borgland, A. W., Bouvier, A., Bregeon, J., Brez, A., Briggs, M. S., Brigida, M., Bruel, P., Buehler, R., Buson, S., Caliandro, G. A., Cameron, R. A., Caraveo, P. A., Carrigan, S., Casandjian, J. M., Cecchi, C., Celik, O., Charles, E., Chekhtman, A., Chiang, J., Ciprini, S., Claus, R., Cohen-Tanugi, J., Connaughton, V., Conrad, J., Cutini, S., Dermer, C. D., De Angelis, A., De Palma, F., Digel, S. W., do Couto e Silva, E., Drell, P. S., Dubois, R., Favuzzi, C., Fegan, S. J., Ferrara, E. C., Frailis, M., Fukazawa, Y., Fusco, P., Gargano, F., Gasparrini, D., Gehrels, N., Germani, S., Giglietto, N., Giommi, P., Giordano, F., Giroletti, M., Glanzman, T., Godfrey, G., Granot, J., Grenier, I. A., Grove, J. E., Guillemot, L., Guiriec, S., Hadasch, D., Hays, E., Horan, D., Hughes, R. E., Johannesson, G., Johnson, A. S., Johnson, W. N., Kamae, T., Katagiri, H., Kippen, R. M., Knoedlseder, J., Kocevski, D., Kuss, M., Lande, J., Latronico, L., Lee, S., Garde, M. L., Longo, F., Loparco, F., Lovellette, M. N., Lubrano, P., Makeev, A., Mazziotta, M. N., McBreen, S., McEnery, J. E., McGlynn, S., Meegan, C., Mehault, J., Meszaros, P., Michelson, P. F., Mizuno, T., Moiseev, A. A., Monte, C., Monzani, M. E., Moretti, E., Morselli, A., Moskalenko, I. V., Murgia, S., Nakajima, H., Nakamori, T., Naumann-Godo, M., Nolan, P. L., Norris, J. P., Nuss, E., Ohno, M., Ohsugi, T., Okumura, A., Omodei, N., Orlando, E., Ormes, J. F., Ozaki, M., Paciesas, W. S., Paneque, D., Panetta, J. H., Parent, D., Pelassa, V., Pepe, M., Pesce-Rollins, M., Petrosian, V., Piron, F., Porter, T. A., Preece, R., Racusin, J. L., Raino, S., Rando, R., Rau, A., Razzano, M., Razzaque, S., Reimer, A., Reimer, O., Ripken, J., Roth, M., Ryde, F., Sadrozinski, H. W., Sander, A., Scargle, J. D., SCHALK, T. L., Sgro, C., SISKIND, E. J., Smith, P. D., Spandre, G., Spinelli, P., Stamatikos, M., Strickman, M. S., Suson, D. J., Tajima, H., Takahashi, H., Tanaka, T., Thayer, J. B., Thayer, J. G., Tibaldo, L., Torres, D. F., Tosti, G., Tramacere, A., Uehara, T., Usher, T. L., Vandenbroucke, J., van der Horst, A. J., Vasileiou, V., Vilchez, N., Vitale, V., von Kienlin, A., Waite, A. P., Wang, P., Wilson-Hodge, C., Winer, B. L., Wood, K. S., Wu, X. F., Yamazaki, R., Yang, Z., Ylinen, T., Ziegler, M. 2010; 717 (2): L127-L132
  • GeV GAMMA-RAY FLUX UPPER LIMITS FROM CLUSTERS OF GALAXIES ASTROPHYSICAL JOURNAL LETTERS Ackermann, M., Ajello, M., Allafort, A., Baldini, L., Ballet, J., Barbiellini, G., Bastieri, D., Bechtol, K., Bellazzini, R., Blandford, R. D., Blasi, P., Bloom, E. D., Bonamente, E., Borgland, A. W., Bouvier, A., Brandt, T. J., Bregeon, J., Brigida, M., Bruel, P., Buehler, R., Buson, S., Caliandro, G. A., Cameron, R. A., Caraveo, P. A., Carrigan, S., Casandjian, J. M., Cavazzuti, E., Cecchi, C., Celik, O., Charles, E., Chekhtman, A., Cheung, C. C., Chiang, J., Ciprini, S., Claus, R., Cohen-Tanugi, J., Colafrancesco, S., Cominsky, L. R., Conrad, J., Dermer, C. D., De Palma, F., Silva, E. d., Drell, P. S., Dubois, R., Dumora, D., Edmonds, Y., Farnier, C., Favuzzi, C., Frailis, M., Fukazawa, Y., Funk, S., Fusco, P., Gargano, F., Gasparrini, D., Gehrels, N., Germani, S., Giglietto, N., Giordano, F., Giroletti, M., Glanzman, T., Godfrey, G., Grenier, I. A., Grondin, M., Guiriec, S., Hadasch, D., Harding, A. K., Hayashida, M., Hays, E., Horan, D., Hughes, R. E., Jeltema, T. E., Johannesson, G., Johnson, A. S., Johnson, T. J., Johnson, W. N., Kamae, T., Katagiri, H., Kataoka, J., Kerr, M., Knoedlseder, J., Kuss, M., Lande, J., Latronico, L., Lee, S., Lemoine-Goumard, M., Longo, F., Loparco, F., Lott, B., Lovellette, M. N., Lubrano, P., Madejski, G. M., Makeev, A., Mazziotta, M. N., Michelson, P. F., Mitthumsiri, W., Mizuno, T., Moiseev, A. A., Monte, C., Monzani, M. E., Morselli, A., Moskalenko, I. V., Murgia, S., Naumann-Godo, M., Nolan, P. L., Norris, J. P., Nuss, E., Ohsugi, T., Omodei, N., Orlando, E., Ormes, J. F., Ozaki, M., Paneque, D., Panetta, J. H., Pepe, M., Pesce-Rollins, M., Petrosian, V., Pfrommer, C., Piron, F., Porter, T. A., Profumo, S., Raino, S., Rando, R., Razzano, M., Reimer, A., Reimer, O., Reposeur, T., Ripken, J., Ritz, S., Rodriguez, A. Y., Romani, R. W., Roth, M., Sadrozinski, H. W., Sander, A., Parkinson, P. M., Scargle, J. D., Sgro, C., SISKIND, E. J., Smith, P. D., Spandre, G., Spinelli, P., Starck, J., Stawarz, L., Strickman, M. S., Strong, A. W., Suson, D. J., Tajima, H., Takahashi, H., Takahashi, T., Tanaka, T., Thayer, J. B., Thayer, J. G., Tibaldo, L., Tibolla, O., Torres, D. F., Tosti, G., Tramacere, A., Uchiyama, Y., Usher, T. L., Vandenbroucke, J., Vasileiou, V., Vilchez, N., Vitale, V., Waite, A. P., Wang, P., Winer, B. L., Wood, K. S., Yang, Z., Ylinen, T., Ziegler, M. 2010; 717 (1): L71-L78
  • THE COSMIC RADIO BACKGROUND AND JET CONNECTION International Meeting on High-Energy Phenomena in Relativistic Outflows II Singal, J., Stawarz, L., Petrosian, V., Lawrence, A. WORLD SCIENTIFIC PUBL CO PTE LTD. 2010: 965–69
  • DERIVATION OF STOCHASTIC ACCELERATION MODEL CHARACTERISTICS FOR SOLAR FLARES FROM RHESSI HARD X-RAY OBSERVATIONS ASTROPHYSICAL JOURNAL LETTERS Petrosian, V., Chen, Q. 2010; 712 (2): L131-L134
  • ON THE ENERGY SPECTRA OF GeV/TeV COSMIC RAY LEPTONS ASTROPHYSICAL JOURNAL Stawarz, L., Petrosian, V., Blandford, R. D. 2010; 710 (1): 236-247
  • IDENTIFICATION AND PROPERTIES OF THE PHOTOSPHERIC EMISSION IN GRB090902B ASTROPHYSICAL JOURNAL LETTERS Ryde, F., Axelsson, M., Zhang, B. B., McGlynn, S., Pe'er, A., Lundman, C., Larsson, S., Battelino, M., Zhang, B., Bissaldi, E., Bregeon, J., Briggs, M. S., Chiang, J., De Palma, F., Guiriec, S., Larsson, J., Longo, F., McBreen, S., Omodei, N., Petrosian, V., Preece, R., van der Horst, A. J. 2010; 709 (2): L172-L177
  • Direct Determination of Accelerated Mechanism Characteristics in Solar Flares from RHESSI Observations AAS Petrosian, V., Chen, Q. R. 2010; 21640403
  • FERMI OBSERVATIONS OF GRB 090902B: A DISTINCT SPECTRAL COMPONENT IN THE PROMPT AND DELAYED EMISSION ASTROPHYSICAL JOURNAL LETTERS Abdo, A. A., Ackermann, M., Ajello, M., Asano, K., Atwood, W. B., Axelsson, M., Baldini, L., Ballet, J., Barbiellini, G., Baring, M. G., Bastieri, D., Bechtol, K., Bellazzini, R., Berenji, B., Bhat, P. N., Bissaldi, E., Blandford, R. D., Bloom, E. D., Bonamente, E., Borgland, A. W., Bouvier, A., Bregeon, J., Brez, A., Briggs, M. S., Brigida, M., Bruel, P., Burgess, J. M., Burrows, D. N., Buson, S., Caliandro, G. A., Cameron, R. A., Caraveo, P. A., Casandjian, J. M., Cecchi, C., Celik, O., Chekhtman, A., Cheung, C. C., Chiang, J., Ciprini, S., Claus, R., Cohen-Tanugi, J., Cominsky, L. R., Connaughton, V., Conrad, J., Cutini, S., D'Elia, V., Dermer, C. D., De Angelis, A., De Palma, F., Digel, S. W., Dingus, B. L., do Couto e Silva, E., Drell, P. S., Dubois, R., Dumora, D., Farnier, C., Favuzzi, C., Fegan, S. J., Finke, J., Fishman, G., Focke, W. B., Fortin, P., Frailis, M., Fukazawa, Y., Funk, S., Fusco, P., Gargano, F., Gehrels, N., Germani, S., Giavitto, G., Giebels, B., Giglietto, N., Giordano, F., Glanzman, T., Godfrey, G., Goldstein, A., Granot, J., Greiner, J., Grenier, I. A., Grove, J. E., Guillemot, L., Guiriec, S., Hanabata, Y., Harding, A. K., Hayashida, M., Hays, E., Horan, D., Hughes, R. E., Jackson, M. S., Johannesson, G., Johnson, A. S., Johnson, R. P., Johnson, W. N., Kamae, T., Katagiri, H., Kataoka, J., Kawai, N., Kerr, M., Kippen, R. M., Knoedlseder, J., Kocevski, D., Komin, N., Kouveliotou, C., Kuss, M., Lande, J., Latronico, L., Lemoine-Goumard, M., Longo, F., Loparco, F., Lott, B., Lovellette, M. N., Lubrano, P., Madejski, G. M., Makeev, A., Mazziotta, M. N., McBreen, S., McEnery, J. E., McGlynn, S., Meegan, C., Meszaros, P., Meurer, C., Michelson, P. F., Mitthumsiri, W., Mizuno, T., Moiseev, A. A., Monte, C., Monzani, M. E., Moretti, E., Morselli, A., Moskalenko, I. V., Murgia, S., Nakamori, T., Nolan, P. L., Norris, J. P., Nuss, E., Ohno, M., Ohsugi, T., Omodei, N., Orlando, E., Ormes, J. F., Paciesas, W. S., Paneque, D., Panetta, J. H., Pelassa, V., Pepe, M., Pesce-Rollins, M., Petrosian, V., Piron, F., Porter, T. A., Preece, R., Raino, S., Rando, R., Rau, A., Razzano, M., Razzaque, S., Reimer, A., Reimer, O., Reposeur, T., Ritz, S., Rochester, L. S., Rodriguez, A. Y., Roming, P. W., Roth, M., Ryde, F., Sadrozinski, H. W., Sanchez, D., Sander, A., Parkinson, P. M., Scargle, J. D., SCHALK, T. L., Sgro, C., SISKIND, E. J., Smith, P. D., Spinelli, P., Stamatikos, M., Stecker, F. W., Stratta, G., Strickman, M. S., Suson, D. J., Swenson, C. A., Tajima, H., Takahashi, H., Tanaka, T., Thayer, J. B., Thayer, J. G., Thompson, D. J., Tibaldo, L., Torres, D. F., Tosti, G., Tramacere, A., Uchiyama, Y., Uehara, T., Usher, T. L., van der Horst, A. J., Vasileiou, V., Vilchez, N., Vitale, V., von Kienlin, A., Waite, A. P., Wang, P., Wilson-Hodge, C., Winer, B. L., Wood, K. S., Yamazaki, R., Ylinen, T., Ziegler, M. 2009; 706 (1): L138-L144
  • A limit on the variation of the speed of light arising from quantum gravity effects NATURE Abdo, A. A., Ackermann, M., Ajello, M., Asano, K., Atwood, W. B., Axelsson, M., Baldini, L., Ballet, J., Barbiellini, G., Baring, M. G., Bastieri, D., Bechtol, K., Bellazzini, R., Berenji, B., Bhat, P. N., Bissaldi, E., Bloom, E. D., Bonamente, E., Bonnell, J., Borgland, A. W., Bouvier, A., Bregeon, J., Brez, A., Briggs, M. S., Brigida, M., Bruel, P., Burgess, J. M., Burnett, T. H., Caliandro, G. A., Cameron, R. A., Caraveo, P. A., Casandjian, J. M., Cecchi, C., Celik, O., CHAPLIN, V., Charles, E., Cheung, C. C., Chiang, J., Ciprini, S., Claus, R., Cohen-Tanugi, J., Cominsky, L. R., Connaughton, V., Conrad, J., Cutini, S., Dermer, C. D., De Angelis, A., De Palma, F., Digel, S. W., Dingus, B. L., do Couto e Silva, E., Drell, P. S., Dubois, R., Dumora, D., Farnier, C., Favuzzi, C., Fegan, S. J., Finke, J., Fishman, G., Focke, W. B., Foschini, L., Fukazawa, Y., Funk, S., Fusco, P., Gargano, F., Gasparrini, D., Gehrels, N., Germani, S., Gibby, L., Giebels, B., Giglietto, N., Giordano, F., Glanzman, T., Godfrey, G., Granot, J., Greiner, J., Grenier, I. A., Grondin, M., Grove, J. E., Grupe, D., Guillemot, L., Guiriec, S., Hanabata, Y., Harding, A. K., Hayashida, M., Hays, E., Hoversten, E. A., Hughes, R. E., Johannesson, G., Johnson, A. S., Johnson, R. P., Johnson, W. N., Kamae, T., Katagiri, H., Kataoka, J., Kawai, N., Kerr, M., Kippen, R. M., Knoedlseder, J., Kocevski, D., Kouveliotou, C., KUEHN, F., Kuss, M., Lande, J., Latronico, L., Lemoine-Goumard, M., Longo, F., Loparco, F., Lott, B., Lovellette, M. N., Lubrano, P., Madejski, G. M., Makeev, A., Mazziotta, M. N., McBreen, S., McEnery, J. E., McGlynn, S., Meszaros, P., Meurer, C., Michelson, P. F., Mitthumsiri, W., Mizuno, T., Moiseev, A. A., Monte, C., Monzani, M. E., Moretti, E., Morselli, A., Moskalenko, I. V., Murgia, S., Nakamori, T., Nolan, P. L., Norris, J. P., Nuss, E., Ohno, M., Ohsugi, T., Omodei, N., Orlando, E., Ormes, J. F., Ozaki, M., Paciesas, W. S., Paneque, D., Panetta, J. H., Parent, D., Pelassa, V., Pepe, M., Pesce-Rollins, M., Petrosian, V., Piron, F., Porter, T. A., Preece, R., Raino, S., Ramirez-Ruiz, E., Rando, R., Razzano, M., Razzaque, S., Reimer, A., Reimer, O., Reposeur, T., Ritz, S., Rochester, L. S., Rodriguez, A. Y., Roth, M., Ryde, F., Sadrozinski, H. W., Sanchez, D., Sander, A., Parkinson, P. M., Scargle, J. D., SCHALK, T. L., Sgro, C., SISKIND, E. J., Smith, D. A., Smith, P. D., Spandre, G., Spinelli, P., Stamatikos, M., Stecker, F. W., Strickman, M. S., Suson, D. J., Tajima, H., Takahashi, H., Takahashi, T., Tanaka, T., Thayer, J. B., Thayer, J. G., Thompson, D. J., Tibaldo, L., Toma, K., Torres, D. F., Tosti, G., Troja, E., Uchiyama, Y., Uehara, T., Usher, T. L., van der Horst, A. J., Vasileiou, V., Vilchez, N., Vitale, V., von Kienlin, A., Waite, A. P., Wang, P., Wilson-Hodge, C., Winer, B. L., Wood, K. S., Wu, X. F., Yamazaki, R., Ylinen, T., Ziegler, M. 2009; 462 (7271): 331-334

    Abstract

    A cornerstone of Einstein's special relativity is Lorentz invariance-the postulate that all observers measure exactly the same speed of light in vacuum, independent of photon-energy. While special relativity assumes that there is no fundamental length-scale associated with such invariance, there is a fundamental scale (the Planck scale, l(Planck) approximately 1.62 x 10(-33) cm or E(Planck) = M(Planck)c(2) approximately 1.22 x 10(19) GeV), at which quantum effects are expected to strongly affect the nature of space-time. There is great interest in the (not yet validated) idea that Lorentz invariance might break near the Planck scale. A key test of such violation of Lorentz invariance is a possible variation of photon speed with energy. Even a tiny variation in photon speed, when accumulated over cosmological light-travel times, may be revealed by observing sharp features in gamma-ray burst (GRB) light-curves. Here we report the detection of emission up to approximately 31 GeV from the distant and short GRB 090510. We find no evidence for the violation of Lorentz invariance, and place a lower limit of 1.2E(Planck) on the scale of a linear energy dependence (or an inverse wavelength dependence), subject to reasonable assumptions about the emission (equivalently we have an upper limit of l(Planck)/1.2 on the length scale of the effect). Our results disfavour quantum-gravity theories in which the quantum nature of space-time on a very small scale linearly alters the speed of light.

    View details for DOI 10.1038/nature08574

    View details for Web of Science ID 000271899300039

    View details for PubMedID 19865083

  • COMBINED MODELING OF ACCELERATION, TRANSPORT, AND HYDRODYNAMIC RESPONSE IN SOLAR FLARES. I. THE NUMERICAL MODEL ASTROPHYSICAL JOURNAL Liu, W., Petrosian, V., Mariska, J. T. 2009; 702 (2): 1553-1566
  • RELATIVE DISTRIBUTIONS OF FLUENCES OF He-3 AND He-4 IN SOLAR ENERGETIC PARTICLES ASTROPHYSICAL JOURNAL Petrosian, V., Jiang, Y. W., Liu, S., Ho, G. C., Mason, G. M. 2009; 701 (1): 1-7
  • CASCADE AND DAMPING OF ALFVEN-CYCLOTRON FLUCTUATIONS: APPLICATION TO SOLAR WIND TURBULENCE ASTROPHYSICAL JOURNAL Jiang, Y. W., Liu, S., Petrosian, V. 2009; 698 (1): 163-183
  • Fermi Observations of High-Energy Gamma-Ray Emission from GRB 080916C SCIENCE Abdo, A. A., Ackermann, M., Arimoto, M., Asano, K., Atwood, W. B., Axelsson, M., Baldini, L., Ballet, J., Band, D. L., Barbiellini, G., Baring, M. G., Bastieri, D., Battelino, M., Baughman, B. M., Bechtol, K., Bellardi, F., Bellazzini, R., Berenji, B., Bhat, P. N., Bissaldi, E., Blandford, R. D., Bloom, E. D., Bogaert, G., Bogart, J. R., Bonamente, E., Bonnell, J., Borgland, A. W., Bouvier, A., Bregeon, J., Brez, A., Briggs, M. S., Brigida, M., Bruel, P., Burnett, T. H., Burrows, D., Busetto, G., Caliandro, G. A., Cameron, R. A., Caraveo, P. A., Casandjian, J. M., Ceccanti, M., Cecchi, C., Celotti, A., Charles, E., Chekhtman, A., Cheung, C. C., Chiang, J., Ciprini, S., Claus, R., Cohen-Tanugi, J., Cominsky, L. R., Connaughton, V., Conrad, J., Costamante, L., Cutini, S., DeKlotz, M., Dermer, C. D., De Angelis, A., De Palma, F., Digel, S. W., Dingus, B. L., do Couto e Silva, E., Drell, P. S., Dubois, R., Dumora, D., Edmonds, Y., Evans, P. A., Fabiani, D., Farnier, C., Favuzzi, C., Finke, J., Fishman, G., Focke, W. B., Frailis, M., Fukazawa, Y., Funk, S., Fusco, P., Gargano, F., Gasparrini, D., Gehrels, N., Germani, S., Giebels, B., Giglietto, N., Giommi, P., Giordano, F., Glanzman, T., Godfrey, G., Goldstein, A., Granot, J., Greiner, J., Grenier, I. A., Grondin, M., Grove, J. E., Guillemot, L., Guiriec, S., Haller, G., Hanabata, Y., Harding, A. K., Hayashida, M., Hays, E., Morata, J. A., Hoover, A., Hughes, R. E., Johannesson, G., Johnson, A. S., Johnson, R. P., Johnson, T. J., Johnson, W. N., Kamae, T., Katagiri, H., Kataoka, J., Kavelaars, A., Kawai, N., Kelly, H., Kennea, J., Kerr, M., Kippen, R. M., Knoedlseder, J., Kocevski, D., Kocian, M. L., Komin, N., Kouveliotou, C., KUEHN, F., Kuss, M., Lande, J., Landriu, D., Larsson, S., Latronico, L., Lavalley, C., Lee, B., Lee, S., Lemoine-Goumard, M., Lichti, G. G., Longo, F., Loparco, F., Lott, B., Lovellette, M. N., Lubrano, P., Madejski, G. M., Makeev, A., Marangelli, B., Mazziotta, M. N., McBreen, S., McEnery, J. E., McGlynn, S., Meegan, C., Meszaros, P., Meurer, C., Michelson, P. F., Minuti, M., Mirizzi, N., Mitthumsiri, W., Mizuno, T., Moiseev, A. A., Monte, C., Monzani, M. E., Moretti, E., Morselli, A., Moskalenko, I. V., Murgia, S., Nakamori, T., Nelson, D., Nolan, P. L., Norris, J. P., Nuss, E., Ohno, M., Ohsugi, T., Okumura, A., Omodei, N., Orlando, E., Ormes, J. F., Ozaki, M., Paciesas, W. S., Paneque, D., Panetta, J. H., Parent, D., Pelassa, V., Pepe, M., Perri, M., Pesce-Rollins, M., Petrosian, V., Pinchera, M., Piron, F., Porter, T. A., Preece, R., Raino, S., Ramirez-Ruiz, E., Rando, R., Rapposelli, E., Razzano, M., Razzaque, S., Rea, N., Reimer, A., Reimer, O., Reposeur, T., Reyes, L. C., Ritz, S., Rochester, L. S., Rodriguez, A. Y., Roth, M., Ryde, F., Sadrozinski, H. W., Sanchez, D., Sander, A., Parkinson, P. M., Scargle, J. D., SCHALK, T. L., Segal, K. N., Sgro, C., Shimokawabe, T., SISKIND, E. J., Smith, D. A., Smith, P. D., Spandre, G., Spinelli, P., Stamatikos, M., Starck, J., Stecker, F. W., Steinle, H., STEPHENS, T. E., Strickman, M. S., Suson, D. J., Tagliaferri, G., Tajima, H., Takahashi, H., Takahashi, T., Tanaka, T., Tenze, A., Thayer, J. B., Thayer, J. G., Thompson, D. J., Tibaldo, L., Torres, D. F., Tosti, G., Tramacere, A., Turri, M., Tuvi, S., Usher, T. L., van der Horst, A. J., Vigiani, L., Vilchez, N., Vitale, V., von Kienlin, A., Waite, A. P., Williams, D. A., Wilson-Hodge, C., Winer, B. L., Wood, K. S., Wu, X. F., Yamazaki, R., Ylinen, T., Ziegler, M. 2009; 323 (5922): 1688-1693

    Abstract

    Gamma-ray bursts (GRBs) are highly energetic explosions signaling the death of massive stars in distant galaxies. The Gamma-ray Burst Monitor and Large Area Telescope onboard the Fermi Observatory together record GRBs over a broad energy range spanning about 7 decades of gammaray energy. In September 2008, Fermi observed the exceptionally luminous GRB 080916C, with the largest apparent energy release yet measured. The high-energy gamma rays are observed to start later and persist longer than the lower energy photons. A simple spectral form fits the entire GRB spectrum, providing strong constraints on emission models. The known distance of the burst enables placing lower limits on the bulk Lorentz factor of the outflow and on the quantum gravity mass.

    View details for DOI 10.1126/science.1169101

    View details for Web of Science ID 000264559800029

    View details for PubMedID 19228997

  • CONJUGATE HARD X-RAY FOOTPOINTS IN THE 2003 OCTOBER 29 X10 FLARE: UNSHEARING MOTIONS, CORRELATIONS, AND ASYMMETRIES ASTROPHYSICAL JOURNAL Liu, W., Petrosian, V., Dennis, B. R., Holman, G. D. 2009; 693 (1): 847-867
  • Particle acceleration by fast modes in solar flares ASTROPHYSICAL JOURNAL Yan, H., Lazarian, A., Petrosian, V. 2008; 684 (2): 1461-1468
  • Heating and acceleration of intracluster medium electrons by turbulence ASTROPHYSICAL JOURNAL Petrosian, V., East, W. E. 2008; 682 (1): 175-185
  • On the momentum diffusion of radiating ultrarelativistic electrons in a turbulent magnetic field ASTROPHYSICAL JOURNAL Stawarz, L., Petrosian, V. 2008; 681 (2): 1725-1744
  • Double coronal hard and soft X-ray source observed by RHESSI: Evidence for magnetic reconnection and particle acceleration in solar flares ASTROPHYSICAL JOURNAL Liu, W., Petrosian, V., Dennis, B. R., Jiang, Y. W. 2008; 676 (1): 704-716
  • Particle acceleration mechanisms SPACE SCIENCE REVIEWS Petrosian, V., Bykov, A. M. 2008; 134 (1-4): 207-227
  • Equilibration processes in the warm-hot intergalactic medium SPACE SCIENCE REVIEWS Bykov, A. M., Paerels, F. B., Petrosian, V. 2008; 134 (1-4): 141-153
  • Nonthermal radiation mechanisms SPACE SCIENCE REVIEWS Petrosian, V., Bykov, A., Rephaeli, Y. 2008; 134 (1-4): 191-206
  • Correlation between flux and spectral index during flares in Sagittarius A ASTROPHYSICAL JOURNAL Bittner, J. M., Liu, S., Fryer, C. L., Petrosian, V. 2007; 661 (2): 863-874
  • Analysis and interpretation of hard X-ray emission from the bullet cluster (1ES 0657-558), the most distant cluster of galaxies observed by RXTE ASTROPHYSICAL JOURNAL Petrosian, V., Madejski, G., Luli, K. 2006; 652 (2): 948-954
  • Rhessi observation of chromospheric evaporation ASTROPHYSICAL JOURNAL Liu, W., Liu, S., Jiang, Y. W., Petrosian, V. 2006; 649 (2): 1124-1139
  • A testable stochastic acceleration model for flares in Sagittarius A ASTROPHYSICAL JOURNAL Liu, S., Petrosian, V., Melia, F., Fryer, C. L. 2006; 648 (2): 1020-1025
  • Stochastic acceleration in the galactic center HESS source ASTROPHYSICAL JOURNAL Liu, S., Melia, F., Petrosian, V., Fatuzzo, M. 2006; 647 (2): 1099-1105
  • Damping of magnetohydrodynamic turbulence in solar flares ASTROPHYSICAL JOURNAL Petrosian, V., Yan, H., Lazarian, A. 2006; 644 (1): 603-612
  • Evolution of the loop-top source of solar flares: Heating and cooling processes ASTROPHYSICAL JOURNAL Jiang, Y. W., Liu, S. M., Liu, W., Petrosian, V. 2006; 638 (2): 1140-1153
  • Stochastic electron acceleration during the near-infrared and X-ray flares in Sagittarius A* ASTROPHYSICAL JOURNAL Liu, S. M., Melia, F., Petrosian, V. 2006; 636 (2): 798-803
  • Stochastic acceleration of He-3 and He-4 in solar flares by parallel- propagating plasma waves: General results ASTROPHYSICAL JOURNAL Liu, S. M., Petrosian, V., Mason, G. M. 2006; 636 (1): 462-474
  • Total galaxy magnitudes and effective radii from Petrosian magnitudes and radii ASTRONOMICAL JOURNAL Graham, A. W., Driver, S. P., Petrosian, V., Conselice, C. J., Bershady, M. A., Crawford, S. M., Goto, T. 2005; 130 (4): 1535-1544
  • Non-thermal activity and particle acceleration in clusters of galaxies 25th General Assembly of the International-Astronomical-Union Petrosian, V. ASTRONOMICAL SOC PACIFIC. 2005: 317–321
  • Stochastic acceleration of He-3 and He-4 by parallel propagating plasma waves ASTROPHYSICAL JOURNAL Liu, S. M., Petrosian, V., Mason, G. M. 2004; 613 (1): L81-L84
  • Electron acceleration around the supermassive black hole at the galactic center ASTROPHYSICAL JOURNAL Liu, S., Petrosian, V., Melia, F. 2004; 611 (2): L101-L104
  • RHESSI OBSERVATIONS OF A SIMPLE LARGE X-RAY FLARE ON 2003 NOVEMBER 3 ASTROPHYSICAL JOURNAL Liu, W., Jiang, Y. W., Liu, S., Petrosian, V. 2004; 611 (1)

    View details for DOI 10.1086/423371

    View details for Web of Science ID 000208400000014

  • Stochastic acceleration of electrons and protons. I. Acceleration by parallel-propagating waves ASTROPHYSICAL JOURNAL Petrosian, V., Liu, S. M. 2004; 610 (1): 550-571
  • GRB 021004: A massive progenitor star surrounded by shells ASTROPHYSICAL JOURNAL Schaefer, B. E., Gerardy, C. L., Hoflich, P., Panaitescu, A., Quimby, R., Mader, J., Hill, G. J., Kumar, P., WHEELER, J. C., Eracleous, M., Sigurdsson, S., Meszaros, P., Zhang, B., Wang, L., Hessman, F. V., Petrosian, V. 2003; 588 (1): 387-399
  • Nonthermal radiation and acceleration of electrons in clusters of galaxies Conference on Matter and Energy in Clusters of Galaxies Petrosian, V. ASTRONOMICAL SOC PACIFIC. 2003: 337–346
  • Gamma-ray burst spectra and light curves as signatures of a relativistically expanding plasma ASTROPHYSICAL JOURNAL Ryde, F., Petrosian, V. 2002; 578 (1): 290-303
  • Loop top hard X-ray emission in solar flares: Images and statistics ASTROPHYSICAL JOURNAL Petrosian, V., Donaghy, T. Q., McTiernan, J. M. 2002; 569 (1): 459-473
  • Interpreting the behavior of time-resolved gamma-ray burst spectra ASTROPHYSICAL JOURNAL Lloyd-Ronning, N. M., Petrosian, V. 2002; 565 (1): 182-194
  • Looptop and footpoint impulsive hard X-rays and stochastic electron acceleration in flares Yohkoh 10th Anniversary Meeting on Multi-Wavelength Observations of Coronal Structure and Dynamics Petrosian, V. PERGAMON-ELSEVIER SCIENCE LTD. 2002: 361–366
  • New statistical methods for analysis of large surveys: Distributions and correlations IAU Colloquium on AGN Surveys Petrosian, V. ASTRONOMICAL SOC PACIFIC. 2002: 389–397
  • On the nonthermal emission and acceleration of electrons in coma and other clusters of galaxies ASTROPHYSICAL JOURNAL Petrosian, V. 2001; 557 (2): 560-572
  • Synchrotron radiation as the source of gamma-ray burst spectra ASTROPHYSICAL JOURNAL Lloyd, N. M., Petrosian, V. 2000; 543 (2): 722-732
  • On the intrinsic and cosmological signatures in gamma-ray burst time profiles: Time dilation ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES Lee, A., Bloom, E. D., Petrosian, V. 2000; 131 (1): 21-38
  • Properties of gamma-ray burst time profiles using pulse decomposition analysis ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES Lee, A., Bloom, E. D., Petrosian, V. 2000; 131 (1): 1-19
  • Cosmological versus intrinsic: The correlation between intensity and the peak of the vF(v) spectrum of gamma-ray bursts ASTROPHYSICAL JOURNAL Lloyd, N. M., Petrosian, V., Mallozzi, R. S. 2000; 534 (1): 227-238
  • Synchrotron emission as the source of GRB spectra, Part II: Observations 5th Huntsville Symposium on Gamma-Ray Burst Lloyd, N. M., Petrosian, V., Preece, R. D. AMER INST PHYSICS. 2000: 155–159
  • Synchrotron radiation as the source of GRB spectra, part I: Theory 5th Huntsville Symposium on Gamma-Ray Burst Lloyd, N. M., Petrosian, V. AMER INST PHYSICS. 2000: 465–469
  • Cosmological signatures in intensity and break energy correlations 5th Huntsville Symposium on Gamma-Ray Burst Lloyd, N. M., Petrosian, V., Mallozzi, R. S. AMER INST PHYSICS. 2000: 145–149
  • Spatial and spectral structure of hard X-rays and electron acceleration Conference on High Energy Solar Physics - Anticipating HESSI Petrosian, V., Donaghy, T. Q. ASTRONOMICAL SOC PACIFIC. 2000: 215–220
  • On the spatial distribution of hard X-rays from solar flare loops ASTROPHYSICAL JOURNAL Petrosian, V., Donaghy, T. Q. 1999; 527 (2): 945-957
  • Nonparametric methods for doubly truncated data JOURNAL OF THE AMERICAN STATISTICAL ASSOCIATION Efron, B., Petrosian, V. 1999; 94 (447): 824-834
  • The evolution and luminosity function of quasars from complete optical surveys ASTROPHYSICAL JOURNAL Maloney, A., Petrosian, V. 1999; 518 (1): 32-43
  • Stochastic acceleration of electrons by plasma waves. III. Waves propagating perpendicular to the magnetic field ASTROPHYSICAL JOURNAL Pryadko, J. M., Petrosian, V. 1999; 515 (2): 873-881
  • Distribution of spectral characteristics and the cosmological evolution of gamma-ray bursts ASTROPHYSICAL JOURNAL Lloyd, N. M., Petrosian, V. 1999; 511 (2): 550-561
  • The evolution and luminosity function of quasars 194th Symposium of the International-Astronomical-Union Petrosian, V. ASTRONOMICAL SOC PACIFIC. 1999: 105–12
  • Cosmological signatures in temporal and spectral characteristics of gamma-ray bursts Conference on Gamma-Ray Bursts - The First Three Minutes Petrosian, V., Lloyd, N., Lee, A. ASTRONOMICAL SOC PACIFIC. 1999: 235–252
  • New and old tests of cosmological models and the evolution of galaxies ASTROPHYSICAL JOURNAL Petrosian, V. 1998; 507 (1): 1-15
  • Stochastic acceleration of low-energy electrons in plasmas with finite temperature ASTROPHYSICAL JOURNAL Pryadko, J. M., Petrosian, V. 1998; 495 (1): 377-384
  • Distribution of fluences versus peak fluxes and the cosmological density evolution of the rate of GRBs 4th Huntsville Gamma-Ray Burst Symposium Petrosian, V., Lloyd, N. M. AMER INST PHYSICS. 1998: 35–39
  • The extent of the spectral bias in BATSE: The true distribution of the nu F-nu peak energy 4th Huntsville Gamma-Ray Burst Symposium Lloyd, N. M., Petrosian, V. AMER INST PHYSICS. 1998: 67–71
  • Stochastic acceleration and photon emission in electron-dominated solar flares ASTROPHYSICAL JOURNAL Park, B. T., Petrosian, V., Schwartz, R. A. 1997; 489 (1): 358-366
  • Stochastic acceleration of low-energy electrons in cold plasmas ASTROPHYSICAL JOURNAL Pryadko, J. M., Petrosian, V. 1997; 482 (2): 774-781
  • Time dilation of BATSE gamma-ray bursts ASTROPHYSICAL JOURNAL Lee, T. T., Petrosian, V. 1997; 474 (1): 37-46
  • Distributions of peak flux and duration for gamma-ray bursts ASTROPHYSICAL JOURNAL Lee, T. T., Petrosian, V. 1996; 470 (1): 479-492
  • The fluence distribution of gamma-ray bursts ASTROPHYSICAL JOURNAL Petrosian, V., Lee, T. T. 1996; 467 (1): L29-L32
  • Fokker-Planck equations of stochastic acceleration: A study of numerical methods ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES Park, B. T., Petrosian, V. 1996; 103 (1): 255-267
  • Gravitational lens models of arcs in Abell 2218 ASTROPHYSICAL JOURNAL Saraniti, D. W., Petrosian, V., Lynds, R. 1996; 458 (1): 57-?
  • Threshold effects on gamma-ray burst distributions 3rd Huntsville Symposium on Gamma-Ray Bursts Lee, T. T., Petrosian, V. AIP PRESS. 1996: 462–66
  • On the distributions of flux and duration of gamma-ray bursts Workshop on High Velocity Neutron Stars and Gamma-Ray Bursts Petrosian, V., Lee, T. T. AIP PRESS. 1996: 170–74
  • Flux-duration correlations and cosmological time dilation 3rd Huntsville Symposium on Gamma-Ray Bursts Petrosian, V., Lee, T. T. AIP PRESS. 1996: 82–86
  • Luminosity function and cosmological evolution of gamma-ray bursts 3rd Huntsville Symposium on Gamma-Ray Bursts AZZAM, W. J., Petrosian, V. AIP PRESS. 1996: 306–10
  • Acceleration and heating by turbulence in flares High Energy Solar Physics Workshop Petrosian, V. AIP PRESS. 1996: 445–49
  • THE EVOLUTION OF GAMMA-RAY LOUD ACTIVE GALACTIC NUCLEI ASTROPHYSICAL JOURNAL Chiang, J., Fichtel, C. E., VONMONTIGNY, C., Nolan, P. L., Petrosian, V. 1995; 452 (1): 156-163
  • TESTING ISOTROPY VERSUS CLUSTERING OF GAMMA-RAY BURSTS ASTROPHYSICAL JOURNAL Efron, B., Petrosian, V. 1995; 449 (1): 216-223
  • THE NEUPERT EFFECT AND THE CHROMOSPHERIC EVAPORATION MODEL FOR SOLAR-FLARES ASTROPHYSICAL JOURNAL Lee, T. T., Petrosian, V., McTiernan, J. M. 1995; 448 (2): 915-924
  • FOKKER-PLANCK EQUATIONS OF STOCHASTIC ACCELERATION - GREENS-FUNCTIONS AND BOUNDARY-CONDITIONS ASTROPHYSICAL JOURNAL Park, B. T., Petrosian, V. 1995; 446 (2): 699-716
  • ON THE CORRELATION OF ANGULAR POSITION WITH TIME OF OCCURRENCE OF GAMMA-RAY BURSTS ASTROPHYSICAL JOURNAL Petrosian, V., Efron, B. 1995; 441 (1): L37-L38
  • GAMMA-RAY EMISSION AND ELECTRON ACCELERATION IN SOLAR-FLARES ASTROPHYSICAL JOURNAL Petrosian, V., McTiernan, J. M., Marschhauser, H. 1994; 434 (2): 747-755
  • SURVIVAL ANALYSIS OF THE GAMMA-RAY BURST DATA JOURNAL OF THE AMERICAN STATISTICAL ASSOCIATION Efron, B., Petrosian, V. 1994; 89 (426): 452-462
  • THE DYNAMICS OF CHARGED-PARTICLES IN TURBULENT ASTROPHYSICAL PLASMAS ASTROPHYSICAL JOURNAL DUNG, R., Petrosian, V. 1994; 421 (2): 550-560
  • DO GAMMA-RAY BURSTS ORIGINATE FROM AN EXTENDED GALACTIC HALO OF HIGH-VELOCITY NEUTRON-STARS International-Astronomical-Union Colloquium 142 Hartmann, D. H., Brown, L. E., The, L. S., Linder, E. V., Petrosian, V., Blumenthal, G. R., Hurley, K. C. UNIV CHICAGO PRESS. 1994: 893–97
  • ACCELERATION OF ELECTRONS IN SOLAR-FLARES Workshop on High-Energy Solar Phenomena - A New Era of Spacecraft Measurements Petrosian, V. AIP PRESS. 1994: 162–70
  • THE SLOPE OF THE LOGN-LOGS DISTRIBUTION FOR BATSE GAMMA-RAY BURSTS 2nd Huntsville Gamma-Ray Workshop Petrosian, V., AZZAM, W. J., Meegan, C. A. AIP PRESS. 1994: 84–87
  • DISTRIBUTION OF PEAK COUNTS AND DURATION OF GAMMA-RAY BURSTS 2nd Huntsville Gamma-Ray Workshop Petrosian, V., Lee, T. T., AZZAM, W. J. AIP PRESS. 1994: 93–97
  • SUBMILLIMETER AND FAR-INFRARED EMISSION FROM SOLAR-FLARES 154th Symposium of the International-Astronomical-Union - 1st International Meeting devoted to Infrared Physics Petrosian, V. KLUWER ACADEMIC PUBL. 1994: 103–12
  • COMPARING AND COMBINING THE GAMMA-RAY BURSTS FROM SMM, SIGNE AND BATSE 2nd Huntsville Gamma-Ray Workshop Petrosian, V., AZZAM, W. J., Hurley, K., SHARE, G. AIP PRESS. 1994: 88–92
  • SMOOTHED NONPARAMETRIC-ESTIMATION OF THE LUMINOSITY FUNCTION FOR FLUX-LIMITED SAMPLES ASTROPHYSICAL JOURNAL CADITZ, D., Petrosian, V. 1993; 416 (2): 450-457
  • STATISTICS OF ARCS IN CLUSTERS OF GALAXIES ASTROPHYSICAL JOURNAL Bergmann, A. G., Petrosian, V. 1993; 413 (1): 18-38
  • THE DISTRIBUTION OF FLARE PARAMETERS AND IMPLICATIONS FOR CORONAL HEATING ASTROPHYSICAL JOURNAL Lee, T. T., Petrosian, V., McTiernan, J. M. 1993; 412 (1): 401-409
  • INTERPRETATION OF GAMMA-RAY BURST SOURCE COUNT STATISTICS ASTROPHYSICAL JOURNAL Petrosian, V. 1993; 402 (2): L33-L36
  • A SIMPLE TEST OF INDEPENDENCE FOR TRUNCATED DATA WITH APPLICATIONS TO REDSHIFT SURVEYS ASTROPHYSICAL JOURNAL Efron, B., Petrosian, V. 1992; 399 (2): 345-352
  • STOCHASTIC ACCELERATION OF ELECTRONS .1. EFFECTS OF COLLISIONS IN SOLAR-FLARES ASTROPHYSICAL JOURNAL Hamilton, R. J., Petrosian, V. 1992; 398 (1): 350-358
  • LUMINOSITY FUNCTION OF FLUX-LIMITED SAMPLES CROSS-DISCIPLINARY CONF ON STATISTICAL CHALLENGES IN MODERN ASTRONOMY Petrosian, V. SPRINGER-VERLAG. 1992: 173–194
  • CENTER-TO-LIMB VARIATIONS OF CHARACTERISTICS OF SOLAR-FLARE HARD X-RAY AND GAMMA-RAY EMISSION ASTROPHYSICAL JOURNAL McTiernan, J. M., Petrosian, V. 1991; 379 (1): 381-391
  • EVOLUTION OF THE LUMINOSITY FUNCTION OF QUASAR ACCRETION DISKS ASTROPHYSICAL JOURNAL Caditz, D. M., Petrosian, V., Wandel, A. 1991; 372 (2): L63-L66
  • EFFECTS OF COULOMB COLLISIONS ON CYCLOTRON MASER AND PLASMA-WAVE GROWTH IN MAGNETIC LOOPS ASTROPHYSICAL JOURNAL Hamilton, R. J., Petrosian, V. 1990; 365 (2): 778-788
  • THE HARD X-RAYS AND GAMMA-RAYS FROM SOLAR-FLARES ASTROPHYSICAL JOURNAL McTiernan, J. M., Petrosian, V. 1990; 359 (2): 541-549
  • THE BEHAVIOR OF BEAMS OF RELATIVISTIC NONTHERMAL ELECTRONS UNDER THE INFLUENCE OF COLLISIONS AND SYNCHROTRON LOSSES ASTROPHYSICAL JOURNAL McTiernan, J. M., Petrosian, V. 1990; 359 (2): 524-540
  • STATISTICAL STUDY OF THE CORRELATION OF HARD X-RAY AND TYPE-III RADIO-BURSTS IN SOLAR-FLARES ASTROPHYSICAL JOURNAL Hamilton, R. J., Petrosian, V., Benz, A. O. 1990; 358 (2): 644-653
  • STATISTICAL AND PHYSICAL EVOLUTION OF QUASI-STELLAR OBJECTS ASTROPHYSICAL JOURNAL CADITZ, D., Petrosian, V. 1990; 357 (2): 326-337
  • NUMERICAL-SOLUTION OF THE TIME-DEPENDENT KINETIC-EQUATION FOR ELECTRONS IN MAGNETIZED PLASMA ASTROPHYSICAL JOURNAL Hamilton, R. J., Lu, E. T., Petrosian, V. 1990; 354 (2): 726-734
  • THE RELATIVE TIMING OF MICROWAVES AND X-RAYS FROM SOLAR-FLARES ASTROPHYSICAL JOURNAL Lu, E. T., Petrosian, V. 1990; 354 (2): 735-744
  • GRAVITATIONAL LENS MODELS OF ARCS IN CLUSTERS ASTROPHYSICAL JOURNAL Bergmann, A. G., Petrosian, V., Lynds, R. 1990; 350 (1): 23-35
  • ACCELERATION, TRANSPORT OF AND RADIATION BY ELECTRONS IN IMPULSIVE PHASE OF FLARES 142ND SYMP OF THE INTERNATIONAL ASTRONOMICAL UNION : BASIC PLASMA PROCESSES ON THE SUN Petrosian, V. KLUWER ACADEMIC PUBL. 1990: 391–402
  • ACCELERATION, TRANSPORT OF AND RADIATION BY ELECTRONS IN IMPULSIVE PHASE OF FLARES IAU SYMPOSIA Petrosian, V. 1990: 391-402
  • THE RATIO OF MICROWAVES TO X-RAYS IN SOLAR-FLARES - THE CASE FOR THE THICK-TARGET MODEL ASTROPHYSICAL JOURNAL Lu, E. T., Petrosian, V. 1989; 338 (2): 1122-1130
  • COSMOLOGICAL PARAMETERS AND EVOLUTION OF THE GALAXY LUMINOSITY FUNCTION ASTROPHYSICAL JOURNAL CADITZ, D., Petrosian, V. 1989; 337 (2): L65-L68
  • QUASAR AND AGN EVOLUTION 134TH SYMP OF THE INTERNATIONAL ASTRONOMICAL UNION ON ACTIVE GALACTIC NUCLEI Petrosian, V., CADITZ, D. KLUWER ACADEMIC PUBL. 1989: 59–61
  • QUASAR AND AGN EVOLUTION IAU SYMPOSIA Petrosian, V., CADITZ, D. 1989: 59-61
  • LUMINOUS ARCS IN CLUSTERS OF GALAXIES ASTROPHYSICAL JOURNAL Lynds, R., Petrosian, V. 1989; 336 (1): 1-?
  • ACCRETION-DISK MODELING OF THE UV SPECTRUM OF QUASARS ASTROPHYSICAL JOURNAL Wandel, A., Petrosian, V. 1988; 329 (1): L11-L16
  • RAPID TEMPORAL EVOLUTION OF RADIATION FROM NONTHERMAL ELECTRONS IN SOLAR-FLARES ASTROPHYSICAL JOURNAL Lu, E. T., Petrosian, V. 1988; 327 (1): 405-416
  • GIANT LUMINOUS ARCS IN CLUSTERS OF GALAXIES IAU SYMPOSIA Lynds, R., Petrosian, V. 1988: 467-469
  • GENERATION OF PLASMA-WAVES BY THICK-TARGET ELECTRON-BEAMS, AND THE EXPECTED RADIATION SIGNATURE ASTROPHYSICAL JOURNAL Hamilton, R. J., Petrosian, V. 1987; 321 (2): 721-734
  • ANALYTIC AND NUMERICAL-CALCULATIONS OF QUANTUM SYNCHROTRON SPECTRA FROM RELATIVISTIC ELECTRON DISTRIBUTIONS ASTROPHYSICAL JOURNAL Brainerd, J. J., Petrosian, V. 1987; 320 (2): 703-713
  • DIRECTIVITY OF BREMSSTRAHLUNG RADIATION FROM RELATIVISTIC BEAMS AND THE GAMMA-RAYS FROM SOLAR-FLARES ASTROPHYSICAL JOURNAL Petrosian, V. 1985; 299 (2): 987-993
  • THE INTERPRETATION OF HARD X-RAY-POLARIZATION MEASUREMENTS IN SOLAR-FLARES SOLAR PHYSICS Leach, J., Emslie, A. G., Petrosian, V. 1985; 96 (2): 331-337
  • HIGH-ENERGY THERMAL SYNCHROTRON EMISSION ASTROPHYSICAL JOURNAL IMAMURA, J. N., Epstein, R. I., Petrosian, V. 1985; 296 (1): 65-68
  • THE IMPOSSIBILITY OF A BOUNCING UNIVERSE - REPLY NATURE Petrosian, V. 1983; 302 (5908): 506-507
  • EMISSION, ABSORPTION, AND POLARIZATION OF GYROSYNCHROTRON RADIATION OF MILDLY RELATIVISTIC-PARTICLES PHYSICS OF FLUIDS Petrosian, V., McTiernan, J. M. 1983; 26 (10): 3023-3028
  • THE IMPULSIVE PHASE OF SOLAR-FLARES .2. CHARACTERISTICS OF THE HARD X-RAYS ASTROPHYSICAL JOURNAL Leach, J., Petrosian, V. 1983; 269 (2): 715-727
  • CORRELATION OF HARD X-RAY AND TYPE-III BURSTS IN SOLAR-FLARES SOLAR PHYSICS Petrosian, V., Leach, J. 1983; 87 (1): 165-175
  • STRUCTURE OF THE IMPULSIVE PHASE OF SOLAR-FLARES FROM MICROWAVE OBSERVATIONS ASTROPHYSICAL JOURNAL Petrosian, V. 1982; 255 (1): L85-L89
  • PHASE-TRANSITIONS AND DYNAMICS OF THE UNIVERSE NATURE Petrosian, V. 1982; 298 (5877): 805-808
  • SYNCHROTRON EMISSIVITY FROM MILDLY RELATIVISTIC-PARTICLES ASTROPHYSICAL JOURNAL Petrosian, V. 1981; 251 (2): 727-738
  • IMPULSIVE PHASE OF SOLAR-FLARES .1. CHARACTERISTICS OF HIGH-ENERGY ELECTRONS ASTROPHYSICAL JOURNAL Leach, J., Petrosian, V. 1981; 251 (2): 781-791
  • STUDY OF THE SPECTRUM BEYOND 200 KEV OF 2ND-STAGE SOLAR-FLARE X-RAY-EMISSION ASTROPHYSICAL JOURNAL Langer, S. H., Petrosian, V., Frost, K. J. 1980; 235 (3): 1047-1054
  • RADIATIVE-TRANSFER IN DUSTY NEBULAE .3. THE EFFECTS OF DUST ALBEDO ASTROPHYSICAL JOURNAL Petrosian, V., Dana, R. A. 1980; 241 (3): 1094-1106
  • IMPULSIVE SOLAR X-RAY BURSTS .3. POLARIZATION, DIRECTIVITY, AND SPECTRUM OF REFLECTED AND TOTAL BREMSSTRAHLUNG RADIATION FROM A BEAM OF ELECTRONS DIRECTED TOWARD PHOTOSPHERE ASTROPHYSICAL JOURNAL Langer, S. H., Petrosian, V. 1977; 215 (2): 666-676
  • APPROXIMATE SOLUTIONS OF RADIATIVE-TRANSFER IN DUSTY NEBULAE .2. HYDROGEN AND HELIUM ASTROPHYSICAL JOURNAL Dana, R. A., Petrosian, V. 1976; 208 (2): 354-364
  • SURFACE BRIGHTNESS AND EVOLUTION OF GALAXIES ASTROPHYSICAL JOURNAL Petrosian, V. 1976; 210 (2): L53-L57
  • SURFACE BRIGHTNESS AND EVOLUTION OF GALAXIES ASTROPHYSICAL JOURNAL Petrosian, V. 1976; 209 (1): L1-L5
  • PRODUCTION OF HARD X-RAYS IN A PLASMA FOCUS PHYSICS OF FLUIDS Newman, C. E., Petrosian, V. 1975; 18 (5): 547-551
  • APPROXIMATE SOLUTIONS OF RADIATIVE-TRANSFER IN DUSTY NEBULAE .1. PURE HYDROGEN NEBULAE ASTROPHYSICAL JOURNAL Petrosian, V., Dana, R. A. 1975; 196 (3): 733-744
  • OPTICAL RADIATION FROM CRAB PULSAR ASTROPHYSICAL JOURNAL Sturrock, P. A., Petrosian, V., TURK, J. S. 1975; 196 (1): 73-82
  • EFFECTS OF PRIMORDIAL FLUCTUATIONS ON ABUNDANCES OF LIGHT ELEMENTS ASTROPHYSICAL JOURNAL Epstein, R. I., Petrosian, V. 1975; 197 (2): 281-284
  • IMPULSIVE SOLAR X-RAY BURSTS .2. STATISTICAL CORRELATION OF OBSERVATIONS WITH SOLAR LONGITUDE ASTROPHYSICAL JOURNAL Petrosian, V. 1975; 197 (1): 235-239
  • ARE QUASARS DUSTY ASTROPHYSICAL JOURNAL McKee, C. F., Petrosian, V. 1974; 189 (1): 17-21
  • EFFECT OF INELASTIC ELECTRON-ATOM COLLISIONS ON BALMER DECREMENT ASTROPHYSICAL JOURNAL Adams, W. M., PETROSIA, V. 1974; 192 (1): 199-205
  • HUBBLE RELATION FOR NONSTANDARD CANDLES AND ORIGIN OF REDSHIFT OF QUASARS ASTROPHYSICAL JOURNAL Petrosian, V. 1974; 188 (3): 443-449
  • LUMINOSITY FUNCTION OF QUASARS AND ITS EVOLUTION - COMPARISON OF OPTICALLY SELECTED QUASARS AND QUASARS FOUND IN RADIO CATALOGS ASTROPHYSICAL JOURNAL Petrosian, V. 1973; 183 (2): 359-381
  • INTERPRETATION OF FAR INFRARED-EMISSION FROM INTERSTELLAR GRAINS MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY CAROFF, L. J., PETROSIA, V., Salpeter, E. E., Wagoner, R. V., Werner, M. W. 1973; 164 (3): 295-302
  • IMPULSIVE SOLAR X-RAY BURSTS - BREMSSTRAHLUNG RADIATION FROM A BEAM OF ELECTRONS IN SOLAR CHROMOSPHERE AND TOTAL ENERGY OF SOLAR-FLARES ASTROPHYSICAL JOURNAL Petrosian, V. 1973; 186 (1): 291-304
  • FLUX-DENSITY-SPECTRAL-INDEX RELATION OF EXTRAGALACTIC RADIO-SOURCES ASTROPHYSICAL JOURNAL Petrosian, V., Dickey, J. 1973; 186 (2): 403-419
  • SYNCHROTRON SOURCES .1. PULSARS AND COMPACT EXTRAGALACTIC OBJECTS ASTROPHYSICAL JOURNAL Epstein, R. I., Petrosian, V. 1973; 183 (2): 611-623