HAT-P-58b–HAT-P-64b: Seven Planets Transiting Bright Stars

G. Á. Bakos*, J. D. Hartman, W. Bhatti, Z. Csubry, K. Penev, A. Bieryla, D. W. Latham, S. Quinn, L. A. Buchhave, G. Kovács, Guillermo Torres, R. W. Noyes, E. Falco, Bence Béky, T. Szklenár, G. A. Esquerdo, A. W. Howard, H. Isaacson, G. Marcy, B. SatoI. Boisse, A. Santerne, G. Hébrard, M. Rabus, D. Harbeck, C. McCully, M. E. Everett, E. P. Horch, L. Hirsch, S. B. Howell, C. X. Huang, J. Lázár, I. Papp, P. Sári

*Corresponding author for this work

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    Abstract

    We report the discovery and characterization of seven transiting exoplanets from the HATNet survey. The planets, which are hot Jupiters and Saturns transiting bright Sun-like stars, include: HAT-P-58b (with mass Mp = 0.37 MJ, radius Rp = 1.33 RJ, and orbital period P = 4.0138 days), HAT-P-59b (Mp = 1.54 MJ, Rp = 1.12 RJ, P = 4.1420 days), HAT-P-60b (Mp = 0.57 MJ, Rp = 1.63 RJ, P = 4.7948 days), HAT-P-61b (Mp = 1.06 MJ, Rp = 0.90 RJ, P = 1.9023 days), HAT-P-62b (Mp = 0.76 MJ, Rp = 1.07 RJ, P = 2.6453 days), HAT-P-63b (Mp = 0.61 MJ, Rp = 1.12 RJ, P = 3.3777 days), and HAT-P-64b (Mp = 0.58 MJ, Rp = 1.70 RJ, P = 4.0072 days). The typical errors on these quantities are 0.06 MJ, 0.03 RJ, and 0.2 s, respectively. We also provide accurate stellar parameters for each of the host stars. With V = 9.710 ± 0.050 mag, HAT-P-60 is an especially bright transiting planet host, and an excellent target for additional follow-up observations. With Rp = 1.703 ± 0.070 RJ, HAT-P-64b is a highly inflated hot Jupiter around a star nearing the end of its main-sequence lifetime, and is among the largest known planets. Five of the seven systems have long-cadence observations by TESS which are included in the analysis. Of particular note is HAT-P-59 (TOI-1826.01) which is within the northern continuous viewing zone of the TESS mission, and HAT-P-60, which is the TESS candidate TOI-1580.01.
    Original languageEnglish
    Article number7
    JournalAstronomical Journal
    Volume162
    Issue number1
    Number of pages31
    ISSN0004-6256
    DOIs
    Publication statusPublished - 2021

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