R. Brahm, A. Jordán, G. Bakos, K. Penev, N. Espinoza, M. Rabus, J. D. Hartman, D. Bayliss, S. Ciceri, G. Zhou, L. Mancini, T. G. Tan, M. De Val-Borro, W. Bhatti, Z. Csubry, J. Bento, T. Henning, B. Schmidt, F. Rojas, V. SucJ. Lázár, I. Papp, P. Sári

Research output: Contribution to journalArticle

20 Scopus citations


We report the discovery of HATS-17b, the first transiting warm Jupiter of the HATSouth network. HATS-17b transits its bright (V = 12.4) G-type (M∗ = 1.131 ± 0.030 M, R∗ = 1.091-0.046+0.070 R) metal-rich ([Fe/H] = +0.3 dex) host star in a circular orbit with a period of P = days. HATS-17b has a very compact radius of 0.777 ± 0.056 RJ given its Jupiter-like mass of 1.338 ± 0.065MJ. Up to 50% of the mass of HATS-17b may be composed of heavy elements in order to explain its high density with current models of planetary structure. HATS-17b is the longest period transiting planet discovered to date by a ground-based photometric survey, and is one of the brightest transiting warm Jupiter systems known. The brightness of HATS-17 will allow detailed follow-up observations to characterize the orbital geometry of the system and the atmosphere of the planet.

Original languageEnglish (US)
Article number89
JournalAstronomical Journal
Issue number4
StatePublished - Apr 2016

All Science Journal Classification (ASJC) codes

  • Astronomy and Astrophysics
  • Space and Planetary Science


  • planetary systems
  • stars: individual (HATS-17)
  • techniques: photometric
  • techniques: spectroscopic

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    Brahm, R., Jordán, A., Bakos, G., Penev, K., Espinoza, N., Rabus, M., Hartman, J. D., Bayliss, D., Ciceri, S., Zhou, G., Mancini, L., Tan, T. G., De Val-Borro, M., Bhatti, W., Csubry, Z., Bento, J., Henning, T., Schmidt, B., Rojas, F., ... Sári, P. (2016). HATS-17b: A TRANSITING COMPACT WARM JUPITER in A 16.3 DAY CIRCULAR ORBIT. Astronomical Journal, 151(4), [89]. https://doi.org/10.3847/0004-6256/151/4/89