Exoplanet catalogs; 488; Astrophysics - Earth and Planetary Astrophysics
Abstract :
[en] Warm Jupiters-defined here as planets larger than 6 Earth radii with orbital periods of 8-200 days-are a key missing piece in our understanding of how planetary systems form and evolve. It is currently debated whether Warm Jupiters form in situ, undergo disk or high-eccentricity tidal migration, or have a mixture of origin channels. These different classes of origin channels lead to different expectations for Warm Jupiters' properties, which are currently difficult to evaluate due to the small sample size. We take advantage of the Transiting Exoplanet Survey Satellite (TESS) survey and systematically search for Warm Jupiter candidates around main-sequence host stars brighter than the TESS-band magnitude of 12 in the full-frame images in Year 1 of the TESS Prime Mission data. We introduce a catalog of 55 Warm Jupiter candidates, including 19 candidates that were not originally released as TESS objects of interest by the TESS team. We fit their TESS light curves, characterize their eccentricities and transit-timing variations, and prioritize a list for ground-based follow-up and TESS Extended Mission observations. Using hierarchical Bayesian modeling, we find the preliminary eccentricity distributions of our Warm-Jupiter-candidate catalog using a beta distribution, a Rayleigh distribution, and a two-component Gaussian distribution as the functional forms of the eccentricity distribution. Additional follow-up observations will be required to clean the sample of false positives for a full statistical study, derive the orbital solutions to break the eccentricity degeneracy, and provide mass measurements.
Disciplines :
Space science, astronomy & astrophysics
Author, co-author :
Dong, Jiayin; Department of Astronomy & Astrophysics, The Pennsylvania State University, University Park, PA 16802, USA ; Center for Exoplanets & Habitable Worlds, 525 Davey Laboratory, The Pennsylvania State University, University Park, PA 16802, USA ; Center for Computational Astrophysics, Flatiron Institute, 162 Fifth Avenue, New York, NY 10010, USA
Huang, Chelsea X.; Department of Physics and Kavli Institute for Astrophysics and Space Research, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
Dawson, Rebekah I.; Department of Astronomy & Astrophysics, The Pennsylvania State University, University Park, PA 16802, USA ; Center for Exoplanets & Habitable Worlds, 525 Davey Laboratory, The Pennsylvania State University, University Park, PA 16802, USA
Foreman-Mackey, Daniel; Center for Computational Astrophysics, Flatiron Institute, 162 Fifth Avenue, New York, NY 10010, USA
Collins, Karen A.; Center for Astrophysics ∣ Harvard & Smithsonian, 60 Garden Street, Cambridge, MA 02138, USA
Quinn, Samuel N.; Center for Astrophysics ∣ Harvard & Smithsonian, 60 Garden Street, Cambridge, MA 02138, USA
Lissauer, Jack J.; Space Science & Astrobiology Division, MS 245-3, NASA Ames Research Center, Moffett Field, CA 94035, USA
Beatty, Thomas; Department of Astronomy and Steward Observatory, University of Arizona, Tucson, AZ 85721, USA
Quarles, Billy; Center for Relativistic Astrophysics, School of Physics, Georgia Institute of Technology, Atlanta, GA 30332 USA
Sha, Lizhou; Department of Astronomy, University of Wisconsin-Madison, Madison, WI 53706, USA
Shporer, Avi; Department of Physics and Kavli Institute for Astrophysics and Space Research, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
Guo, Zhao; Department of Applied Mathematics and Theoretical Physics (DAMTP), University of Cambridge, UK
Kane, Stephen R.; Department of Earth and Planetary Sciences, University of California, Riverside, CA 92521, USA
Abe, Lyu; Université Côte d'Azur, Observatoire de la Côte d'Azur, CNRS, Laboratoire Lagrange, Bd de l'Observatoire, CS 34229, F-06304 Nice cedex 4, France
Barkaoui, Khalid ; Université de Liège - ULiège > Département d'astrophys., géophysique et océanographie (AGO) > Exotic
Benkhaldoun, Zouhair; Oukaimeden Observatory, High Energy Physics and Astrophysics Laboratory, Cadi Ayyad University, Marrakech, Morocco
Brahm, Rafael; Facultad de Ingeniería y Ciencias, Universidad Adolfo Ibáñez, Av. Diagonal las Torres 2640, Peñalolén, Santiago, Chile ; Millennium Institute for Astrophysics, Chile
Bouchy, François; Observatoire de l'Université de Genève, 51 chemin des Maillettes,1290 Versoix, Switzerland
Carmichael, Theron W.; Center for Astrophysics ∣ Harvard & Smithsonian, 60 Garden Street, Cambridge, MA 02138, USA ; Department of Astronomy, Harvard University, Cambridge, MA 02138, USA
Collins, Kevin I.; George Mason University, 4400 University Drive, Fairfax, VA, 22030 USA
Conti, Dennis M.; American Association of Variable Star Observers, 49 Bay State Road, Cambridge, MA 02138, USA
Crouzet, Nicolas; European Space Agency (ESA), European Space Research and Technology Centre (ESTEC), Keplerlaan 1, 2201 AZ Noordwijk, The Netherlands
Dransfield, Georgina; School of Physics & Astronomy, University of Birmingham, Edgbaston, Birmingham B15 2TT, UK
Evans, Phil; El Sauce Observatory, Coquimbo Province, Chile
Gan, Tianjun; Department of Astronomy and Tsinghua Centre for Astrophysics, Tsinghua University, Beijing 100084, People's Republic of China
Ghachoui, Mourad; Oukaimeden Observatory, High Energy Physics and Astrophysics Laboratory, Cadi Ayyad University, Marrakech, Morocco
Gillon, Michaël ; Université de Liège - ULiège > Département d'astrophys., géophysique et océanographie (AGO) > Exotic
Grieves, Nolan; Observatoire de Genève, Université de Genève, Chemin Pegasi 51b, 1290 Sauverny, Switzerland
Guillot, Tristan; Université Côte d'Azur, Observatoire de la Côte d'Azur, CNRS, Laboratoire Lagrange, Bd de l'Observatoire, CS 34229, F-06304 Nice cedex 4, France
Hellier, Coel; Astrophysics Group, Keele University, Staffordshire ST5 5BG, UK
Jehin, Emmanuel ; Université de Liège - ULiège > Département d'astrophys., géophysique et océanographie (AGO) > Origines Cosmologiques et Astrophysiques (OrCa)
Jensen, Eric L. N.; Department of Physics & Astronomy, Swarthmore College, Swarthmore PA 19081, USA
Jordán, Andres; Facultad de Ingeniería y Ciencias, Universidad Adolfo Ibáñez, Av. Diagonal las Torres 2640, Peñalolén, Santiago, Chile ; Millennium Institute for Astrophysics, Chile
Kamler, Jacob; John F. Kennedy High School, 3000 Bellmore Avenue, Bellmore, NY 11710, USA
Kielkopf, John F.; Department of Physics and Astronomy, University of Louisville, Louisville, KY 40292, USA
Mékarnia, Djamel; Université Côte d'Azur, Observatoire de la Côte d'Azur, CNRS, Laboratoire Lagrange, Bd de l'Observatoire, CS 34229, F-06304 Nice cedex 4, France
Nielsen, Louise D.; Observatoire de l'Université de Genève, 51 chemin des Maillettes,1290 Versoix, Switzerland
Pozuelos, Francisco J. ; Astrobiology Research Unit, Université de Liège, 19C Allèe du 6 Août, B-4000 Liège, Belgium ; Space Sciences, Technologies and Astrophysics Research (STAR) Institute, Université de Liège, 19C Allèe du 6 Août, B-4000 Liège, Belgium
Radford, Don J.; Brierfield Observatory, New South Wales, Australia
Schmider, François-Xavier; Université Côte d'Azur, Observatoire de la Côte d'Azur, CNRS, Laboratoire Lagrange, Bd de l'Observatoire, CS 34229, F-06304 Nice cedex 4, France
Schwarz, Richard P.; Patashnick Voorheesville Observatory, Voorheesville, NY 12186, USA
Stockdale, Chris; Hazelwood Observatory, Australia
Tan, Thiam-Guan; Perth Exoplanet Survey Telescope, Perth, Western Australia, Australia
Timmermans, Mathilde ; Université de Liège - ULiège > Département d'astrophys., géophysique et océanographie (AGO) > Exotic
Triaud, Amaury H. M. J.; Stanford Online High School, 415 Broadway Academy Hall, Floor 2, 8853, Redwood City, CA 94063, USA ; Tsinghua International School, Beijing 100084, People's Republic of China
Wang, Gavin; Department of Physics and Kavli Institute for Astrophysics and Space Research, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
Ricker, George; Department of Physics and Kavli Institute for Astrophysics and Space Research, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
Vanderspek, Roland; Department of Astronomy, Harvard University, Cambridge, MA 02138, USA
Latham, David W.; Department of Physics and Kavli Institute for Astrophysics and Space Research, Massachusetts Institute of Technology, Cambridge, MA 02139, USA ; Department of Earth, Atmospheric and Planetary Sciences, Massachusetts Institute of Technology, Cambridge, MA 02139, USA ; Department of Aeronautics and Astronautics, MIT, 77 Massachusetts Avenue, Cambridge, MA 02139, USA
Seager, Sara; Department of Astrophysical Sciences, Princeton University, NJ 08544, USA
Winn, Joshua N.; NASA Ames Research Center, Moffett Field, CA 94035, USA
Jenkins, Jon M.; Department of Physics and Astronomy, University of New Mexico, 210 Yale Blvd NE, Albuquerque, NM 87106, USA
Mireles, Ismael; Center for Astrophysics ∣ Harvard & Smithsonian, 60 Garden Street, Cambridge, MA 02138, USA ; Department of Astronomy, Columbia University, 550 West 120th Street, New York, NY 10027, USA
Yahalomi, Daniel A.; Department of Physics and Kavli Institute for Astrophysics and Space Research, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
Morgan, Edward H.; Department of Physics and Kavli Institute for Astrophysics and Space Research, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
Vezie, Michael; NASA Goddard Space Flight Center, 8800 Greenbelt Road, Greenbelt, MD 20771, USA
Quintana, Elisa V.; NASA Ames Research Center, Moffett Field, CA 94035, USA
Rose, Mark E.; NASA Ames Research Center, Moffett Field, CA 94035, USA ; SETI Institute, 189 Bernardo Ave, Mountain View, CA 94043, USA
Smith, Jeffrey C.; Mikulski Archive for Space Telescopes, 3700 San Martin Drive, Baltimore, MD 21218, USA)
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