HD 85628 Ab explained

HD 85628 Ab
Discovered:	2019
Discovery Method:	transit
Discoverer:	MASCARA
Semimajor:	0.047
Period:	2.8 d
Inclination:	88.81
Star:	HD 85628 A
Mean Radius:	1.53
Mass:	3.1
Eccentricity:	0

HD 85628 Ab, also designed MASCARA-4b, is an exoplanet located approximately 559.47±3.05 light years from Earth. This planet was discovered in 2019 using the transit method.^{[1] [2]}

Characteristics

It is a hot Jupiter on a retrograde and slightly eccentric orbit. The planet is unusually reflective for a hot Jupiter. Hydrogen, sodium, magnesium, calcium and iron emission from planetary atmosphere was detected.

Host star

See main article: HD 85628. The host star, HD 85628 A, is the primary star of a binary star system, HD 85628. The secondary star is HD 85628 B, an M-type star.

See also

• Henry Draper Catalogue
• MASCARA

Notes and References

1. Encyclopedia: The Extrasolar Planet Encyclopaedia — HD 85628 A b . . 19 August 2023.
2. Web site: NASA Exoplanet Archive . 13 June 2021 . 2021-04-22 . https://web.archive.org/web/20210422040903/https://exoplanetarchive.ipac.caltech.edu/cgi-bin/TblView/nph-tblView?app=ExoTbls&config=compositepars . dead.