Lea Alyse Hirsch

All Publications

• The Possible Astrometric Signature of a Planetary-mass Companion to the Nearby Young Star TW Piscis Austrini (Fomalhaut B): Constraints from Astrometry, Radial Velocities, and Direct Imaging ASTRONOMICAL JOURNAL De Rosa, R. J., Esposito, T. M., Hirsch, L. A., Nielsen, E. L., Marley, M. S., Kalas, P., Wang, J. J., Macintosh, B. 2019; 158 (6)

  View details for DOI 10.3847/1538-3881/ab4c9b

  View details for Web of Science ID 000499917500001

• Discovery of a White Dwarf Companion to HD 159062 ASTROPHYSICAL JOURNAL Hirsch, L. A., Ciardi, D. R., Howard, A. W., Marcy, G. W., Ruane, G., Gonzalez, E., Blunt, S., Crepp, J. R., Fulton, B. J., Isaacson, H., Kosiarek, M., Mawet, D., Sinukoff, E., Weiss, L. 2019; 878 (1)

  View details for DOI 10.3847/1538-4357/ab1b11

  View details for Web of Science ID 000471317400001

• Deep Exploration of epsilon Eridani with Keck Ms-band Vortex Coronagraphy and Radial Velocities: Mass and Orbital Parameters of the Giant Exoplanet ASTRONOMICAL JOURNAL Mawet, D., Hirsch, L., Lee, E. J., Ruffio, J., Bottom, M., Fulton, B. J., Absil, O., Beichman, C., Bowler, B., Bran, M., Choquet, E., Ciardi, D., Christiaens, V., Defrere, D., Gonzalez, C., Howard, A. W., Huby, E., Isaacson, H., Jensen-Clem, R., Kosiarek, M., Marcy, G., Meshkat, T., Petigura, E., Reggiani, M., Ruane, G., Serabyn, E., Sinukoff, E., Wang, J., Weiss, L., Ygouf, M. 2019; 157 (1)

  View details for DOI 10.3847/1538-3881/aaef8a

  View details for Web of Science ID 000455051500001

• orbitize!: A Comprehensive Orbit-fitting Software Package for the High-contrast Imaging Community ASTRONOMICAL JOURNAL Blunt, S., Wang, J. J., Angelo, I., Ngo, H., Cody, D., De Rosa, R. J., Graham, J. R., Hirsch, L., Nagpal, V., Nielsen, E. L., Pearce, L., Rice, M., Tejada, R. 2020; 159 (3)

  View details for DOI 10.3847/1538-3881/ab6663

  View details for Web of Science ID 000522478700011

• Radial Velocity Discovery of an Eccentric Jovian World Orbiting at 18 au ASTRONOMICAL JOURNAL Blunt, S., Endl, M., Weiss, L. M., Cochran, W. D., Howard, A. W., MacQueen, P. J., Fulton, B. J., Henry, G. W., Johnson, M. C., Kosiarek, M. R., Lawson, K. D., Macintosh, B., Mills, S. M., Nielsen, E. L., Petigura, E. A., Schneider, G., Vanderburg, A., Wisniewski, J. P., Wittenmyer, R. A., Brugamyer, E., Caldwell, C., Cochran, A. L., Hatzes, A. P., Hirsch, L. A., Isaacson, H., Robertson, P., Roy, A., Shen, Z. 2019; 158 (5)

  View details for DOI 10.3847/1538-3881/ab3e63

  View details for Web of Science ID 000503507000012

• KELT-23Ab: A Hot Jupiter Transiting a Near-solar Twin Close to the TESS and JWST Continuous Viewing Zones ASTRONOMICAL JOURNAL Johns, D., Reed, P. A., Rodriguez, J. E., Pepper, J., Stassun, K. G., Penev, K., Gaudi, B., Labadie-Bartz, J., Fulton, B. J., Quinn, S. N., Eastman, J. D., Ciardi, D. R., Hirsch, L., Stevens, D. J., Stevens, C. P., Oberst, T. E., Cohen, D. H., Jensen, E. N., Benni, P., Villanueva, S., Murawsh, G., Bieryla, A., Latham, D. W., Vanaverbeke, S., Dubois, F., Rau, S., Logie, L., Rauenzahn, R. F., Wittenmyer, R. A., Zambelli, R., Bayliss, D., Beatty, T. G., Collins, K. A., Colon, K. D., Curtis, I. A., Evans, P., Gregorio, J., James, D., Depoy, D. L., Johnson, M. C., Joner, M. D., Kasper, D. H., Khakpash, S., Kielkopf, J. F., Kuhn, R. B., Lund, M. B., Manner, M., Marshall, J. L., McLeod, K. K., Penny, M. T., Relles, H., Siverd, R. J., Stephens, D. C., Stockdale, C., Tan, T., Trueblood, M., Trueblood, P., Yao, X. 2019; 158 (2)

  View details for DOI 10.3847/1538-3881/ab24c7

  View details for Web of Science ID 000477582500003

• The Gemini Planet Imager Exoplanet Survey: Giant Planet and Brown Dwarf Demographics from 10 to 100 au ASTRONOMICAL JOURNAL Nielsen, E. L., De Rosa, R. J., Macintosh, B., Wang, J. J., Ruffio, J., Chiang, E., Marley, M. S., Saumon, D., Savransky, D., Ammons, S., Bailey, V. P., Barman, T., Blain, C., Bulger, J., Burrows, A., Chilcote, J., Cotten, T., Czekala, I., Doyon, R., Duchene, G., Esposito, T. M., Fabrycky, D., Fitzgerald, M. P., Follette, K. B., Fortney, J. J., Gerard, B. L., Goodsell, S. J., Graham, J. R., Greenbaum, A. Z., Hibon, P., Hinkley, S., Hirsch, L. A., Hom, J., Hung, L., Dawson, R., Ingraham, P., Kalas, P., Konopacky, Q., Larkin, J. E., Lee, E. J., Lin, J. W., Maire, J., Marchis, F., Marois, C., Metchev, S., Millar-Blanchaer, M. A., Morzinski, K. M., Oppenheimer, R., Palmer, D., Patience, J., Perrin, M., Poyneer, L., Pueyo, L., Rafikov, R. R., Rajan, A., Rameau, J., Rantakyro, F. T., Ren, B., Schneider, A. C., Sivaramakrishnan, A., Song, I., Soummer, R., Tallis, M., Thomas, S., Ward-Duong, K., Wolff, S. 2019; 158 (1)

  View details for DOI 10.3847/1538-3881/ab16e9

  View details for Web of Science ID 000471328800006

• Detection of Planetary and Stellar Companions to Neighboring Stars via a Combination of Radial Velocity and Direct Imaging Techniques ASTRONOMICAL JOURNAL Kane, S. R., Dalba, P. A., Li, Z., Horch, E. P., Hirsch, L. A., Horner, J., Wittenmyer, R. A., Howell, S. B., Everett, M. E., Butler, R., Tinney, C. G., Carter, B. D., Wright, D. J., Jones, H. A., Bailey, J., O'Toole, S. J. 2019; 157 (6)

  View details for DOI 10.3847/1538-3881/ab1ddf

  View details for Web of Science ID 000470813200002

• Long-period Giant Companions to Three Compact, Multiplanet Systems ASTRONOMICAL JOURNAL Mills, S. M., Howard, A. W., Weiss, L. M., Steffen, J. H., Isaacson, H., Fulton, B. J., Petigura, E. A., Kosiarek, M. R., Hirsch, L. A., Boisvert, J. H. 2019; 157 (4)

  View details for DOI 10.3847/1538-3881/ab0899

  View details for Web of Science ID 000461660800002

• K2-291b: A Rocky Super-Earth in a 2.2 day Orbit ASTRONOMICAL JOURNAL Kosiarek, M. R., Blunt, S., Lopez-Morales, M., Crossfield, I. M., Sinukoff, E., Petigura, E. A., Gonzales, E. J., Poretti, E., Malavolta, L., Howard, A. W., Isaacson, H., Haywood, R. D., Ciardi, D. R., Bristow, M., Cameron, A., Charbonneau, D., Dressing, C. D., Figueird, P., Fulton, B. J., Hardee, B. J., Hirsch, L. A., Latham, D. W., Mortier, A., Nava, C., Schlieder, J. E., Vanderburg, A., Weiss, L., Bonomo, A. S., Bouchy, F., Buchhave, L. A., Coffinet, A., Damasso, M., Dumusque, X., Lovis, C., Mayor, M., Micela, G., Molinari, E., Pepe, F., Phillips, D., Piotto, G., Rice, K., Sasselov, D., Segransan, D., Sozzetti, A., Udry, S., Watson, C. 2019; 157 (3)

  View details for DOI 10.3847/1538-3881/aafe83

  View details for Web of Science ID 000458638700003

• Observations of Binary Stars with the Differential Speckle Survey Instrument. VIII. Measures of Metal-poor and Triple Stars from 2015 to 2018 ASTRONOMICAL JOURNAL Horch, E. P., Tokovinin, A., Weiss, S. A., Lobb, J., Casetti-Dinescu, D., Granucci, N. M., Hess, N. M., Everett, M. E., van Belle, G. T., Winters, J. G., Nusdeo, D. A., Henry, T. J., Howell, S. B., Teske, J. K., Hirsch, L. A., Scott, N. J., Matson, R. A., Kane, S. R. 2019; 157 (2)

  View details for DOI 10.3847/1538-3881/aaf87e

  View details for Web of Science ID 000456276400005

• A Bayesian Framework for Exoplanet Direct Detection and Non-detection ASTRONOMICAL JOURNAL Ruffio, J., Mawet, D., Czekala, I., Macintosh, B., De Rosa, R. J., Ruane, G., Bottom, M., Pueyo, L., Wang, J. J., Hirsch, L., Zhu, Z., Nielsen, E. L. 2018; 156 (5)

  View details for DOI 10.3847/1538-3881/aade95

  View details for Web of Science ID 000447164500006

• 197 CANDIDATES AND 104 VALIDATED PLANETS IN K2's FIRST FIVE FIELDS ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES Crossfield, I. J., Ciardi, D. R., Petigura, E. A., Sinukoff, E., Schlieder, J. E., Howard, A. W., Beichman, C. A., Isaacson, H., Dressing, C. D., Christiansen, J. L., Fulton, B. J., Lepine, S., Weiss, L., Hirsch, L., Livingston, J., Baranec, C., Law, N. M., Riddle, R., Ziegler, C., Howell, S. B., Horch, E., Everett, M., Teske, J., Martinez, A. O., Obermeier, C., Benneke, B., Scott, N., Deacon, N., Aller, K. M., Hansen, B. M., Mancini, L., Ciceri, S., Brahm, R., Jordan, A., Knutson, H. A., Henning, T., Bonnefoy, M., Liu, M. C., Crepp, J. R., Lothringer, J., Hinz, P., Bailey, V., Skemer, A., Defrere, D. 2016; 226 (1)

  View details for DOI 10.3847/0067-0049/226/1/7

  View details for Web of Science ID 000400516900003