LHS 1815 b

LHS 1815 b (also TOI-704 b) is a thick disk exoplanet, discovered in 2020 by TESS. The planet is located outside the galactic plane.[1]

LHS 1815 b
Discovery
Discovered byTESS
Discovery date2020
Transit
Orbital characteristics
0.0404 AU
Eccentricity0
3.8 d
StarLHS 1815
Physical characteristics
Mean radius
1.088 R🜨
Mass1.58 M🜨

    Characteristics

    LHS 1815 b is a terrestrial planet (super-Earth) with a mass of 0.0132 MJ and a radius of 0.09707 RJ and was discovered by TESS in 2020. The planet is the first discovered example of a "thick-disk planet" located within a thick disk, one of the galactic structures much higher than the positions of other planetary systems discovered by TESS.

    Orbit

    The orbital period is 3.81433 days and the semimajor axis is 0.0404 au.

    Other designations

    LHS 1815 b is also known as TOI-704 b and TIC 260004324 b.

    References
    1. Gan, Tianjun; Shporer, Avi; Livingston, John H.; Collins, Karen A.; Mao, Shude; Trani, Alessandro A.; Gandolfi, Davide; Hirano, Teruyuki; Luque, Rafael; Stassun, Keivan G.; Ziegler, Carl; Howell, Steve B.; Hellier, Coel; Irwin, Jonathan M.; Winters, Jennifer G.; Anderson, David R.; Briceño, César; Law, Nicholas; Mann, Andrew W.; Bonfils, Xavier; Astudillo-Defru, Nicola; Jensen, Eric L. N.; Anglada-Escudé, Guillem; Ricker, George R.; Vanderspek, Roland; Latham, David W.; Seager, Sara; Winn, Joshua N.; Jenkins, Jon M.; Furesz, Gabor; Guerrero, Natalia M.; Quintana, Elisa; Twicken, Joseph D.; Caldwell, Douglas A.; Tenenbaum, Peter; Huang, Chelsea X.; Rowden, Pamela; Rojas-Ayala, Bárbara (18 March 2020). "LHS 1815b: The First Thick-disk Planet Detected by TESS". The Astronomical Journal. 159 (4): 160. arXiv:2003.04525. Bibcode:2020AJ....159..160G. doi:10.3847/1538-3881/ab775a. hdl:1721.1/125260. ISSN 1538-3881. S2CID 212644667.
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