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]
| Discovery | |
|---|---|
| Discovered by | MASCARA |
| Discovery date | 2019 |
| transit | |
| Orbital characteristics | |
| 0.047 | |
| Eccentricity | 0 |
| 2.8 d | |
| Inclination | 88.81 |
| Star | HD 85628 A |
| Physical characteristics | |
| 1.53 RJ | |
| Mass | 3.1 MJ |
Characteristics
editIt 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
editThe 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
editReferences
edit- ^ "The Extrasolar Planet Encyclopaedia — HD 85628 A b". Extrasolar Planets Encyclopaedia. Retrieved 19 August 2023.
- ^ "NASA Exoplanet Archive". Archived from the original on 2021-04-22. Retrieved 13 June 2021.
- ^ Dorval, P.; Talens, G. J. J.; Otten, G. P. P. L.; Brahm, R.; Jordán, A.; Torres, P.; Vanzi, L.; Zapata, A.; Henry, T.; Paredes, L.; Jao, W. C.; James, H.; Hinojosa, R.; Bakos, G. A.; Csubry, Z.; Bhatti, W.; Suc, V.; Osip, D.; Mamajek, E. E.; Mellon, S. N.; Wyttenbach, A.; Stuik, R.; Kenworthy, M.; Bailey, J.; Ireland, M.; Crawford, S.; Lomberg, B.; Kuhn, R.; Snellen, I. (2019), "MASCARA-4 b/BRing-1 b: A retrograde hot Jupiter around a bright A-type star", Astronomy & Astrophysics, 635: A60, arXiv:1904.02733, 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; Ricker, George; Vanderspek, Roland; Latham, David; Seager, Sara; Winn, Joshua; Jenkins, Jon M.; Haworth, Kari; Cartwright, Scott; Morris, Robert; Rowden, Pam; Tenenbaum, Peter; Ting, Eric B. (2019), "Gravity-darkening Analysis of the Misaligned Hot Jupiter MASCARA-4 B", The Astrophysical Journal, 888 (2): 63, arXiv:1911.05025, 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.; Lovis, Christophe; Pepe, Francesco A.; Psaridi, Angelica; Seidel, Julia V.; Udry, Stéphane; Ulmer-Moll, Solène (2022), "Transmission spectroscopy of the ultra-hot Jupiter MASCARA-4 B", Astronomy & Astrophysics, 666: A47, arXiv:2208.11427, doi:10.1051/0004-6361/202244203
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