Astronomy:HD 85628 Ab
From HandWiki
| 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
References
- ↑ "The Extrasolar Planet Encyclopaedia — HD 85628 A b". Extrasolar Planets Encyclopaedia. https://exoplanet.eu/catalog/hd_85628_a_b--7080/. Retrieved 19 August 2023.
- ↑ "NASA Exoplanet Archive". https://exoplanetarchive.ipac.caltech.edu/cgi-bin/TblView/nph-tblView?app=ExoTbls&config=compositepars.
- ↑ Dorval, P.; Talens, G. J. J.; Otten, G. P. P. L.; Brahm, R.; Jordán, A.; Torres, P.; Vanzi, L.; Zapata, A. et al. (2019), "MASCARA-4 b/BRing-1 b: A retrograde hot Jupiter around a bright A-type star", Astronomy & Astrophysics 635: A60, doi:10.1051/0004-6361/201935611
- ↑ Ahlers, John P.; Kruse, Ethan; Colón, Knicole D.; Dorval, Patrick; Talens, Geert Jan; Snellen, Ignas; Albrecht, Simon; Otten, Gilles et al. (2019), "Gravity-darkening Analysis of the Misaligned Hot Jupiter MASCARA-4 B", The Astrophysical Journal 888 (2): 63, doi:10.3847/1538-4357/ab59d0
- ↑ Zhang, Yapeng; Snellen, Ignas A. G.; Wyttenbach, Aurèlien; Nielsen, Louise D.; Lendl, Monika; Casasayas-Barris, Núria; Chaverot, Guillaume; Kesseli, Aurora Y. et al. (2022), "Transmission spectroscopy of the ultra-hot Jupiter MASCARA-4 B", Astronomy & Astrophysics 666: A47, doi:10.1051/0004-6361/202244203
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