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TOI-813 b

An artistic impression of TOI-813 b
Discovery
Discovery date	2019
Detection method	Transit
Designations
Alternative names	TIC 55525572 b, 2MASS J04504658-6054196 b, CD-61 970 b
Orbital characteristics
Semi-major axis	0.423 AU
Eccentricity	0.05
Inclination	89.64
Star	TOI-813
Physical characteristics
Mass	42 ME

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 M_E and 6.7 R_🜨. In approximately 780 million years, the planet will be engulfed and destroyed by its parent star.

TOI-813 b was discovered as part of the Planet Hunters project.

Orbit

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.

References

1. "TOI-813 | NASA Exoplanet Archive". exoplanetarchive.ipac.caltech.edu. Retrieved 2023-11-01.
2. "Exoplanet-catalog". Exoplanet Exploration: Planets Beyond our Solar System. Retrieved 2023-11-01.
3. 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.
4. 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.
5. Martin, Pierre-Yves (2020). "Planet TOI-813 b". Extrasolar Planets Encyclopaedia. Retrieved 2023-11-01.

v t e Constellation of Dorado
List of stars in Dorado Dorado in Chinese astronomy Sanduleak -69 202
Stars	Bayer α β γ δ ε ζ η η θ κ λ ν π π G Variable R (P) S WZ AB BB HR 1859 2102 HD 27274 28254 30177 33579 37836 37974 38282 269810 271182 Other B90 BAT99-7 BAT99-66 BAT99-68 BAT99-98 BAT99-104 BAT99-123 BI 253 Gliese 163 HE 0437-5439 HV 888 IRAS 05280–6910 LHA 120-S 79 LH 41-1042 LH 54-425 LMC195-1 MACHO 80.7443.1718 Melnick 34 Melnick 42 PSR J0523−7125 PSR J0537−6910 PSR J0540−6919 R85 R99 R136 a a1 a2 a3 b c R139 R145 SGR 0525−66 TOI-700 TOI-813 VFTS 102 VFTS 243 VFTS 352 VFTS 682 WASP-62 (Naledi) WOH G64
Exoplanets Gliese 163 c HD 28254 b HD 30177 b TOI-700 d e TOI-813 b TOI-4127 b
Star clusters	NGC 1712 1712 1755 1761 1763 1783 1806 1818 1820 1846 1847 1850 1852 1854/1855 1856 1858 1859 1860 1866 1868 1869 1871 1872 1873 1898 1901 1903 1910 1929 1935 1955 1969 1971 1974 1978 1983 1984 1994 1997 2001 2002 2003 2004 2027 2040 2070 2074 2100 2108 2164 2197 2241 2257 Other Hodge 301 LH 95
Nebulae	NGC 1934 1936 2014 2020 2029 2032 2060 2078 2080 Other Henize 70 Honeycomb Nebula N119 N11 N41 N44 N49 N55 SNR 0509-67.5 Tarantula Nebula (30)
Galaxies	NGC 1533 1549 1553 1566 1672 1892 1947 2082 Other Large Magellanic Cloud (partly in Mensa and Hydrus) LEDA 89996
Galaxy clusters Dorado Group NGC 1566 Group
Astronomical events GRB 790305b SN 1987A
Category

• Exoplanets discovered in 2019
• Exoplanets discovered by TESS
• Exoplanets discovered by Planet Hunters
• Transiting exoplanets