Journal article

TESS DISCOVERY OF A TRANSITING SUPER-EARTH IN THE π MENSAE SYSTEM.

  • Huang CX Department of Physics, and Kavli Institute for Astrophysics and Space Research, Massachusetts Institute of Technology, Cambridge, MA 02139, USA.
  • Burt J Department of Physics, and Kavli Institute for Astrophysics and Space Research, Massachusetts Institute of Technology, Cambridge, MA 02139, USA.
  • Vanderburg A Department of Astronomy, The University of Texas at Austin, Austin, TX 78712, USA.
  • Günther MN Department of Physics, and Kavli Institute for Astrophysics and Space Research, Massachusetts Institute of Technology, Cambridge, MA 02139, USA.
  • Shporer A Department of Physics, and Kavli Institute for Astrophysics and Space Research, Massachusetts Institute of Technology, Cambridge, MA 02139, USA.
  • Dittmann JA 51 Pegasi b Postdoctoral Fellow.
  • Winn JN Department of Astrophysical Sciences, Princeton University, 4 Ivy Lane, Princeton, NJ 08544, USA.
  • Wittenmyer R University of Southern Queensland, West St, Darling Heights QLD 4350, Australia.
  • Sha L Department of Physics, and Kavli Institute for Astrophysics and Space Research, Massachusetts Institute of Technology, Cambridge, MA 02139, USA.
  • Kane SR Department of Earth Sciences, University of California, Riverside, CA 92521, USA.
  • Ricker GR Department of Physics, and Kavli Institute for Astrophysics and Space Research, Massachusetts Institute of Technology, Cambridge, MA 02139, USA.
  • Vanderspek RK Department of Physics, and Kavli Institute for Astrophysics and Space Research, Massachusetts Institute of Technology, Cambridge, MA 02139, USA.
  • Latham DW Harvard-Smithsonian Center for Astrophysics, Harvard University, Cambridge, MA 02138, USA.
  • Seager S Department of Physics, and Kavli Institute for Astrophysics and Space Research, Massachusetts Institute of Technology, Cambridge, MA 02139, USA.
  • Jenkins JM NASA Ames Research Center, Moffett Field, CA, 94035.
  • Caldwell DA NASA Ames Research Center, Moffett Field, CA, 94035.
  • Collins KA Harvard-Smithsonian Center for Astrophysics, Harvard University, Cambridge, MA 02138, USA.
  • Guerrero N Department of Physics, and Kavli Institute for Astrophysics and Space Research, Massachusetts Institute of Technology, Cambridge, MA 02139, USA.
  • Smith JC SETI Institute, Mountain View, CA 94043, USA.
  • Quinn SN NASA Ames Research Center, Moffett Field, CA, 94035.
  • Udry S Observatoire de l'Université de Genève, 51 chemin des Maillettes, 1290 Versoix, Switzerland.
  • Pepe F Observatoire de l'Université de Genève, 51 chemin des Maillettes, 1290 Versoix, Switzerland.
  • Bouchy F Observatoire de l'Université de Genève, 51 chemin des Maillettes, 1290 Versoix, Switzerland.
  • Ségransan D Observatoire de l'Université de Genève, 51 chemin des Maillettes, 1290 Versoix, Switzerland.
  • Lovis C Observatoire de l'Université de Genève, 51 chemin des Maillettes, 1290 Versoix, Switzerland.
  • Ehrenreich D Observatoire de l'Université de Genève, 51 chemin des Maillettes, 1290 Versoix, Switzerland.
  • Marmier M Observatoire de l'Université de Genève, 51 chemin des Maillettes, 1290 Versoix, Switzerland.
  • Mayor M Observatoire de l'Université de Genève, 51 chemin des Maillettes, 1290 Versoix, Switzerland.
  • Wohler B NASA Ames Research Center, Moffett Field, CA, 94035.
  • Haworth K Department of Physics, and Kavli Institute for Astrophysics and Space Research, Massachusetts Institute of Technology, Cambridge, MA 02139, USA.
  • Morgan EH Department of Physics, and Kavli Institute for Astrophysics and Space Research, Massachusetts Institute of Technology, Cambridge, MA 02139, USA.
  • Fausnaugh M Department of Physics, and Kavli Institute for Astrophysics and Space Research, Massachusetts Institute of Technology, Cambridge, MA 02139, USA.
  • Ciardi DR NASA Exoplanet Science Institute, Caltech/IPAC-NExScI 1200 East California Boulevard Pasadena, CA 91125.
  • Christiansen J NASA Exoplanet Science Institute, Caltech/IPAC-NExScI 1200 East California Boulevard Pasadena, CA 91125.
  • Charbonneau D Harvard-Smithsonian Center for Astrophysics, Harvard University, Cambridge, MA 02138, USA.
  • Dragomir D Department of Physics, and Kavli Institute for Astrophysics and Space Research, Massachusetts Institute of Technology, Cambridge, MA 02139, USA.
  • Deming D Department of Astronomy, University of Maryland at College Park, College Park MD, 20742.
  • Glidden A Department of Physics, and Kavli Institute for Astrophysics and Space Research, Massachusetts Institute of Technology, Cambridge, MA 02139, USA.
  • Levine AM Department of Physics, and Kavli Institute for Astrophysics and Space Research, Massachusetts Institute of Technology, Cambridge, MA 02139, USA.
  • McCullough PR Department of Physics and Astronomy, Johns Hopkins University, 3400 North Charles Street, Baltimore, MD 21218, USA.
  • Yu L Department of Physics, and Kavli Institute for Astrophysics and Space Research, Massachusetts Institute of Technology, Cambridge, MA 02139, USA.
  • Narita N Department of Astronomy, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan.
  • Nguyen T Department of Physics, and Kavli Institute for Astrophysics and Space Research, Massachusetts Institute of Technology, Cambridge, MA 02139, USA.
  • Morton T Department of Astrophysical Sciences, Princeton University, 4 Ivy Lane, Princeton, NJ 08544, USA.
  • Pepper J Department of Physics, Lehigh University, 16 Memorial Drive East, Bethlehem, PA 18015, USA.
  • Pál A Department of Physics, and Kavli Institute for Astrophysics and Space Research, Massachusetts Institute of Technology, Cambridge, MA 02139, USA.
  • Rodriguez JE Harvard-Smithsonian Center for Astrophysics, Harvard University, Cambridge, MA 02138, USA.
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  • 2019-07-31
Published in:
  • The astrophysical journal. Letters. - 2018
English We report the detection of a transiting planet around π Men (HD 39091), using data from the Transiting Exoplanet Survey Satellite (TESS). The solar-type host star is unusually bright (V = 5.7) and was already known to host a Jovian planet on a highly eccentric, 5.7-year orbit. The newly discovered planet has a size of 2.04 ± 0.05 R ⊕ and an orbital period of 6.27 days. Radial-velocity data from the HARPS and AAT/UCLES archives also displays a 6.27-day periodicity, confirming the existence of the planet and leading to a mass determination of 4.82±0.85 M ⊕. The star's proximity and brightness will facilitate further investigations, such as atmospheric spectroscopy, asteroseismology, the Rossiter-McLaughlin effect, astrometry, and direct imaging.
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  • English
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green
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https://sonar.ch/global/documents/29379
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