HD 86081 b
Exoplanet | List of exoplanets | |
---|---|---|
[[Image:|300px]] | ||
Parent star | ||
Star | HD 86081 | |
Constellation | Sextans | |
Right ascension | (α) | 09h 56m 05.9183s |
Declination | (δ) | –03° 48′ 30.318″ |
Distance | 297 ly (91 pc) | |
Spectral type | F8V | |
Orbital elements | ||
Semi-major axis | (a) | 0.035 AU (5.2 Gm) |
0.43 mas | ||
Periastron | (q) | 0.035 AU (5.2 Gm) |
Apastron | (Q) | 0.035 AU (5.2 Gm) |
Eccentricity | (e) | 0.008 ± 0.004 |
Orbital period | (P) | 2.1375 ± 0.0002 d (0.0058521 y) |
Orbital speed | (υ) | 179 km/s |
Argument of periastron |
(ω) | 251 ± 40° |
Time of periastron | (T0) | 2453694.8 ± 0.3 JD |
Semi-amplitude | (K) | 207.7 ± 0.8 m/s |
Physical characteristics | ||
Minimum mass | (m sin i) | 1.50 MJ (477 M⊕) |
Discovery information | ||
Discovery date | April 17, 2006 | |
Discoverer(s) | Johnson et al.[1] | |
Discovery method | radial velocity (N2K Consortium) | |
Discovery site | California | |
Discovery status | Published | |
Database references | ||
Extrasolar Planets Encyclopaedia | data | |
SIMBAD | data | |
Exoplanet Archive | data | |
Open Exoplanet Catalogue | data |
HD 86081 b is a gas giant exoplanet that orbits close to its host star, completing its orbit for 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]
References
- 1 2 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.
External links
- "HD 86081". Exoplanets.
Coordinates: 09h 56m 05.9183s, −03° 48′ 30.318″
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