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Wang, Songhu; Jones, Matias; Shporer, Avi; Fulton, Benjamin J.; Paredes, Leonardo A.; Trifonov, Trifon; Kossakowski, Diana; Eastman, Jason; Redfield, Seth; Günther, Maximilian N.; Kreidberg, Laura; Huang, Chelsea X.; Millholland, Sarah; Seligman, Darryl; Fischer, Debra; Brahm, Rafael; Wang, Xian-Yu; Cruz, Bryndis; Henry, Todd; James, Hodari-Sadiki; Addison, Brett; Liang, En-Si; Davis, Allen B.; Tronsgaard, René; [...]

HD 202772A b: A Transiting Hot Jupiter around a Bright, Mildly Evolved Star in a Visual Binary Discovered by TESS

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  • Medientyp: E-Artikel
  • Titel: HD 202772A b: A Transiting Hot Jupiter around a Bright, Mildly Evolved Star in a Visual Binary Discovered by TESS
  • Beteiligte: Wang, Songhu; Jones, Matias; Shporer, Avi; Fulton, Benjamin J.; Paredes, Leonardo A.; Trifonov, Trifon; Kossakowski, Diana; Eastman, Jason; Redfield, Seth; Günther, Maximilian N.; Kreidberg, Laura; Huang, Chelsea X.; Millholland, Sarah; Seligman, Darryl; Fischer, Debra; Brahm, Rafael; Wang, Xian-Yu; Cruz, Bryndis; Henry, Todd; James, Hodari-Sadiki; Addison, Brett; Liang, En-Si; Davis, Allen B.; Tronsgaard, René; [...]
  • Erschienen: American Astronomical Society, 2019
  • Erschienen in: The Astronomical Journal, 157 (2019) 2, Seite 51
  • Sprache: Nicht zu entscheiden
  • DOI: 10.3847/1538-3881/aaf1b7
  • ISSN: 1538-3881; 0004-6256
  • Entstehung:
  • Anmerkungen:
  • Beschreibung: Abstract We report the first confirmation of a hot Jupiter discovered by the Transiting Exoplanet Survey Satellite (TESS) mission: HD 202772A b. The transit signal was detected in the data from TESS Sector 1, and was confirmed to be of planetary origin through radial velocity (RV) measurements. HD 202772A b is orbiting a mildly evolved star with a period of 3.3 days. With an apparent magnitude of V = 8.3, the star is among the brightest and most massive known to host a hot Jupiter. Based on the 27 days of TESS photometry and RV data from the CHIRON, HARPS, and Tillinghast Reflector Echelle Spectrograph, the planet has a mass of and radius of , making it an inflated gas giant. HD 202772A b is a rare example of a transiting hot Jupiter around a quickly evolving star. It is also one of the most strongly irradiated hot Jupiters currently known.
  • Zugangsstatus: Freier Zugang