Astronomy:HD 85628 Ab
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Short description: Exoplanet orbiting HD 85628 A
| Discovery | |
|---|---|
| Discovered by | MASCARA |
| Discovery date | 2019 |
| transit | |
| Orbital characteristics | |
| 0.047 | |
| Eccentricity | 0 |
| Orbital period | 2.8 d |
| Inclination | 88.81 |
| Star | HD 85628 A |
| Physical characteristics | |
| Mean radius | 1.53 |♃|J}}}}}} |
| Mass | 3.1 |♃|J}}}}}} |
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.[3] The planet is unusually reflective for a hot Jupiter.[4] Hydrogen, sodium, magnesium, calcium and iron emission from planetary atmosphere was detected.[5]
Host star
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
References
- ↑ "The Extrasolar Planet Encyclopaedia — HD 85628 A b". Extrasolar Planets Encyclopaedia. https://exoplanet.eu/catalog/hd_85628_a_b--7080/.
- ↑ "NASA Exoplanet Archive". https://exoplanetarchive.ipac.caltech.edu/cgi-bin/TblView/nph-tblView?app=ExoTbls&config=compositepars.
- ↑ MASCARA-4 b/bRing-1 b - A retrograde hot Jupiter around the bright A3V star HD 85628, 2019
- ↑ Gravity-Darkening Analysis of Misaligned Hot Jupiter MASCARA-4 b, 2019
- ↑ Transmission spectroscopy of the ultra-hot Jupiter MASCARA-4 b Disentangling the hydrostatic and exospheric regimes of ultra-hot Jupiters, 2022
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