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HD 86081 b or Santamasa, meaning 'clouded' in Sanskrit,[3] is a gas giant exoplanet that orbits close to its host star HD 86081 or Bibha, completing its orbit in only 2.1375 days. With such a short orbit it belongs to the class of exoplanets known as hot Jupiters. Like most Hot Jupiters, the orbit is nearly circular, with an eccentricity of 0.008.[1] On 17 December 2019, the International Astronomical Union, Paris has selected the name 'Santamasa' (सन्तमस् in Sanskrit language) suggested by 13 year old Vidyasagar Daud, class 8th student of Sinhgad Spring Dale Public School, Pune, India for the exoplanet HD 86081 b, This large scale election procedure has come up across India. The name echoes the Indian sentiments through the name 'Sant' (संत), 'Tamas' (तमस्) refers to "darkness", similarly the entire name 'Santamasa' matched with the characteristics of the exoplanet being clouded.

Santamasa
Discovery
Discovered byJohnson et al.[1]
Discovery siteCalifornia
Discovery dateApril 17, 2006
Detection method
radial velocity
(N2K Consortium)
Orbital characteristics
Semi-major axis
0.0346±0.0027 AU
Eccentricity0.0119±0.0047[2]
Orbital period (sidereal)
2.1378431±0.0000031[2] d
Time of periastron
2463695.46±0.14[2]
Argument of periastron
3±23[2]
Semi-amplitude205.53±0.78[2]
StarHD 86081

    References


    1. Johnson, John Asher; et al. (2006). "The N2K Consortium. VI. Doppler Shifts without Templates and Three New Short-Period Planets". The Astrophysical Journal. 647 (1): 600–611. arXiv:astro-ph/0604348. Bibcode:2006ApJ...647..600J. doi:10.1086/505173.
    2. Ment, Kristo; et al. (2018). "Radial Velocities from the N2K Project: Six New Cold Gas Giant Planets Orbiting HD 55696, HD 98736, HD 148164, HD 203473, and HD 211810". The Astronomical Journal. 156 (5). 213. arXiv:1809.01228. Bibcode:2018AJ....156..213M. doi:10.3847/1538-3881/aae1f5.
    3. "Approved names". NameExoWorlds. Retrieved 2 January 2020.



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    На других языках

    [de] HD 86081 b

    HD 86081 b ist ein Exoplanet, der den gelben Zwerg HD 86081 alle 2,1374 Tage umkreist.
    - [en] HD 86081 b

    [es] HD 86081 b

    HD 86081 b es un planeta extrasolar situado en la constelación de Sextans, un gigante gaseoso que orbita muy próximo a su estrella, complentando su periodo orbital en sólo 2,1375 días. Como es típico en los Júpiter calientes, su órbita es circular y su excentricidad es de 0,008.


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