HD 202772 Ab

Last updated
HD 202772 Ab
Discovery
Discovered by TESS
Discovery date2019
Transit
Orbital characteristics
0.05208 AU
Eccentricity 0.04
3.3 d
Star HD 202772 A
Physical characteristics
1.545 RJ
Mass 1.017 MJ
Temperature 2,100 K (1,830 °C; 3,320 °F)

    HD 202772 Ab is a hot Jupiter orbiting the brighter component of the visual binary star HD 202772, located in the constellation Capricornus at a distance of about 480 light-years from Earth. The discovery was announced on 5 October 2018. HD 202772 Ab orbits its host star once every 3.3 days. It is an inflated hot Jupiter, and a rare example of hot Jupiters around evolved stars. It is also one of the most strongly irradiated planets known, with an equilibrium temperature of 2,100 K (1,830 °C; 3,320 °F). [1]

    References

    1. ↑ Wang, Songhu; et al. (October 5, 2018). "HD 202772 Ab: A Transiting Hot Jupiter Around A Bright, Mildly Evolved Star In A Visual Binary Discovered By Tess". The Astronomical Journal. 157 (2): 51. arXiv: 1810.02341 . doi: 10.3847/1538-3881/aaf1b7 . S2CID   59499230.
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