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Warm Jupiters in TESS Full-frame Images: A Catalog and Observed Eccentricity Distribution for Year 1

Dong, Jiayin ; Huang, Chelsea X. ; Dawson, Rebekah I. ; Foreman-Mackey, Daniel ; Collins, Karen A. ; Quinn, Samuel N. ; Lissauer, Jack J. ; Beatty, Thomas ; Quarles, Billy ; Sha, Lizhou ; Shporer, Avi ; Guo, Zhao ; Kane, Stephen R. ; Abe, Lyu ; Barkaoui, Khalid ; Benkhaldoun, Zouhair ; Brahm, Rafael ; Bouchy, François ; Carmichael, Theron W. ; Collins, Kevin I. ; Conti, Dennis M. ; Crouzet, Nicolas ; Dransfield, Georgina ; Evans, Phil ; Gan, Tianjun ; Ghachoui, Mourad ; Gillon, Michaël ; Grieves, Nolan ; Guillot, Tristan ; Hellier, Coel ; Jehin, Emmanuël ; Jensen, Eric L. N. ; Jordán, Andres ; Kamler, Jacob ; Kielkopf, John F. ; Mékarnia, Djamel ; Nielsen, Louise D. ; Pozuelos, Francisco J. ; Radford, Don J. ; Schmider, François-Xavier ; Schwarz, Richard P. ; Stockdale, Chris ; Tan, Thiam-Guan ; Timmermans, Mathilde ; Triaud, Amaury H. M. J. ; Wang, Gavin ; Ricker, George ; Vanderspek, Roland ; Latham, David W. ; Seager, Sara ; Winn, Joshua N. ; Jenkins, Jon M. ; Mireles, Ismael ; Yahalomi, Daniel A. ; Morgan, Edward H. ; Vezie, Michael ; Quintana, Elisa V. ; Rose, Mark E. ; Smith, Jeffrey C. ; Shiao, Bernie

The Astrophysical journal. Supplement series, 2021-07, Vol.255 (1), p.6 [Periódico revisado por pares]

Saskatoon: The American Astronomical Society

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Título:
Warm Jupiters in TESS Full-frame Images: A Catalog and Observed Eccentricity Distribution for Year 1
Autor: Dong, Jiayin ; Huang, Chelsea X. ; Dawson, Rebekah I. ; Foreman-Mackey, Daniel ; Collins, Karen A. ; Quinn, Samuel N. ; Lissauer, Jack J. ; Beatty, Thomas ; Quarles, Billy ; Sha, Lizhou ; Shporer, Avi ; Guo, Zhao ; Kane, Stephen R. ; Abe, Lyu ; Barkaoui, Khalid ; Benkhaldoun, Zouhair ; Brahm, Rafael ; Bouchy, François ; Carmichael, Theron W. ; Collins, Kevin I. ; Conti, Dennis M. ; Crouzet, Nicolas ; Dransfield, Georgina ; Evans, Phil ; Gan, Tianjun ; Ghachoui, Mourad ; Gillon, Michaël ; Grieves, Nolan ; Guillot, Tristan ; Hellier, Coel ; Jehin, Emmanuël ; Jensen, Eric L. N. ; Jordán, Andres ; Kamler, Jacob ; Kielkopf, John F. ; Mékarnia, Djamel ; Nielsen, Louise D. ; Pozuelos, Francisco J. ; Radford, Don J. ; Schmider, François-Xavier ; Schwarz, Richard P. ; Stockdale, Chris ; Tan, Thiam-Guan ; Timmermans, Mathilde ; Triaud, Amaury H. M. J. ; Wang, Gavin ; Ricker, George ; Vanderspek, Roland ; Latham, David W. ; Seager, Sara ; Winn, Joshua N. ; Jenkins, Jon M. ; Mireles, Ismael ; Yahalomi, Daniel A. ; Morgan, Edward H. ; Vezie, Michael ; Quintana, Elisa V. ; Rose, Mark E. ; Smith, Jeffrey C. ; Shiao, Bernie
Assuntos: Astrophysics ; Astrophysics - Earth and Planetary Astrophysics ; Aérospatiale, astronomie & astrophysique ; Beta rays ; Candidates ; Channels ; Earth and Planetary Astrophysics ; Exoplanet catalogs ; Extrasolar planets ; Gas giant planets ; Jupiter ; Light curve ; Normal distribution ; Orbits ; Physical, chemical, mathematical & earth Sciences ; Physique, chimie, mathématiques & sciences de la terre ; Planet detection ; Planetary systems ; Polls & surveys ; Probability distribution functions ; Rayleigh distribution ; Satellites ; Sciences of the Universe ; Solar and Stellar Astrophysics ; Space science, astronomy & astrophysics ; Statistical analysis ; Transit
É parte de: The Astrophysical journal. Supplement series, 2021-07, Vol.255 (1), p.6
Notas: AAS29961
The Solar System, Exoplanets, and Astrobiology
scopus-id:2-s2.0-85109908541
Descrição: Abstract 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.
Editor: Saskatoon: The American Astronomical Society
Idioma: Inglês

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Warm Jupiters in TESS Full-frame Images: A Catalog and Observed Eccentricity Distribution for Year 1

Saskatoon: The American Astronomical Society

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