Gas giant exoplanet orbiting HD 221416
HD 221416 b is a confirmed hot-Saturn -type exoplanet 312 light years away from earth and orbiting the late subgiant K-type star , HD 221416. It is part of a small but growing number of discovered exoplanets orbiting evolved stars . This planet was discovered in 2019 by using the primary transit method .
Physical characteristics
The exoplanet orbits the star at a close distance of 0.1228 AU , an eccentricity of 0.115 and an inclination of 85.75°.
Orbital characteristics
The planet orbits HD 221416 at a distance of 0.1228 astronomical units with an orbital eccentricity of 0.115 and an orbital inclination of 85.75000. The planet orbits the star every 14.3 days (0.04 earth years).
References
"Exoplanet-catalog" . Exoplanet Exploration: Planets Beyond our Solar System . Retrieved 1 November 2023.Lazaro, Enrico de (29 March 2019). "Hot-Saturn Exoplanet Discovered by TESS, Characterized Using Asteroseismology | Sci.News" . Sci.News: Breaking Science News . Retrieved 1 November 2023.
Martin, Pierre-Yves (2021). "Planet HD 221416 b" . Extrasolar Planets Encyclopaedia
"HD 221416 | NASA Exoplanet Archive" . exoplanetarchive.ipac.caltech.edu . Retrieved 1 November 2023.Guide, Universe. "HD 221416 b ExoPlanet Facts" . www.universeguide.com . Retrieved 3 November 2023.
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