TOI-813 b is a Saturn sized exoplanet orbiting the star TOI-813, a evolved and bright subgiant G-type star located 858 light years away from Earth. The exoplanet is a Neptune like gas giant type planet with 42 ME and 6.7 R🜨.[1][2] In approximately 780 million years, the planet will be engulfed and destroyed by its parent star.[3]
 An artistic impression of TOI-813 b | |
| Discovery | |
|---|---|
| Discovery date | 2019 |
| Transit | |
| Designations | |
| TIC 55525572, 2MASS J04504658-6054196, CD-61 970 | |
| Orbital characteristics | |
| 0.423 AU | |
| Eccentricity | 0.05 |
| Inclination | 89.64 |
| Star | TOI-813 |
| Physical characteristics | |
| Mass | 42 ME |
TOI-813 b was discovered as part of the Planet Hunters project.[4]
Orbit edit
The planet orbits the star TOI-813 at 0.423 AU and an orbital eccentricity of 0.05. TOI-813 b has an orbital inclination of 89.64.[5]
References edit
- ^ "TOI-813 | NASA Exoplanet Archive". exoplanetarchive.ipac.caltech.edu. Retrieved 2023-11-01.
- ^ "Exoplanet-catalog". Exoplanet Exploration: Planets Beyond our Solar System. Retrieved 2023-11-01.
- ^ Anderson, Natali (2019-12-09). "TOI 813b: Saturn-Sized Exoplanet Found Orbiting Subgiant Star | Astronomy | Sci-News.com". Sci.News: Breaking Science News. Retrieved 2023-11-01.
- ^ Eisner, N. L.; Barragán, O.; et al. (May 2020). "Planet Hunters TESS I: TOI 813, a subgiant hosting a transiting Saturn-sized planet on an 84-day orbit". Monthly Notices of the Royal Astronomical Society. 494 (1): 750–763. arXiv:1909.09094. Bibcode:2020MNRAS.494..750E. doi:10.1093/mnras/staa138.
- ^ Martin, Pierre-Yves (2020). "Planet TOI-813 b". Extrasolar Planets Encyclopaedia. Retrieved 2023-11-01.