TOI-1431 b

TOI-1431 b, also known as MASCARA-5b, is an Ultra-hot Jupiter exoplanet orbiting TOI-1431 in the constellation of Cepheus. It has an orbital period of 2.7 days.[1] Its dayside temperature is 2,700 K (2,427 °C), making it hotter than 40% of stars in our galaxy.[2] The nightside temperature is 2,600 K (2,300 °C).[3] [4][5]

TOI-1431 b
Discovery
Discovered byTESS, MASCARA
Discovery date2021
Transit
Orbital characteristics
0.046
Eccentricity0
2.7 d
Inclination80.4
StarTOI-1431
Physical characteristics
Mean radius
1.49 RJ
Mass3.12 MJ
Temperature2700±2600 K

    References
    1. "Exoplanet-catalog". Exoplanet Exploration: Planets Beyond our Solar System. Retrieved 2023-09-05.
    2. "Scientists uncover a 'hellish' planet so hot it could vaporize most metals". CNET. April 27, 2021. Retrieved April 27, 2021.
    3. "'Hellish' new planet discovered". University of Southern Queensland. April 27, 2021. Retrieved April 27, 2021.
    4. Brett Christopher Addison; et al. (2021), "TOI-1431b/MASCARA-5b: An Ultra-hot Jupiter Orbiting One of the Hottest & Brightest Known Exoplanet Host Stars", Posters from the Tess Science Conference Ii (Tsc2: 64, arXiv:2104.12078, Bibcode:2021tsc2.confE..64A, doi:10.5281/zenodo.5126266, S2CID 240578462
    5. Stangret, M.; et al. (2021), "The obliquity and atmosphere of the ultra-hot Jupiter TOI-1431b (MASCARA-5b): A misaligned orbit and no signs of atomic or molecular absorptions", Astronomy & Astrophysics, 654: A73, arXiv:2104.12414, Bibcode:2021A&A...654A..73S, doi:10.1051/0004-6361/202040100, S2CID 233393996
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