HD 86264 b
Exoplanet | List of exoplanets | |
---|---|---|
Parent star | ||
Star | HD 86264 | |
Constellation | Hydra | |
Right ascension | (α) | 09h 56m 57.839s[1] |
Declination | (δ) | –15° 53′ 42.43″[1] |
Apparent magnitude | (mV) | 7.42 |
Distance | 224 ± 9[1] ly (69 ± 3[1] pc) | |
Spectral type | F7V | |
Orbital elements | ||
Semi-major axis | (a) | 2.86 ± 0.07 AU |
Periastron | (q) | 0.86 AU |
Apastron | (Q) | 4.86 AU |
Eccentricity | (e) | 0.7 ± 0.2 |
Orbital period | (P) | 1475 ± 55 d (4.04 ± 0.15 y) |
Argument of periastron |
(ω) | 306 ± 10° |
Time of periastron | (T0) | 15172 ± 114 JD |
Physical characteristics | ||
Minimum mass | (m sin i) | 7.0 ± 1.6 MJ |
Discovery information | ||
Discovery date | August 13, 2009 | |
Discoverer(s) | ||
Discovery method | Radial velocity | |
Discovery status | Published[2] | |
Database references | ||
Extrasolar Planets Encyclopaedia | data | |
SIMBAD | data | |
Exoplanet Archive | data | |
Open Exoplanet Catalogue | data |
HD 86264 b is an extrasolar planet which orbits the F-type main sequence star HD 86264, located approximately 237 light years away in the constellation Hydra.[2] The planet is considered to orbit in an eccentric path around the star with a period of about four years. This planet can be as close as 0.86 AU to as far as 4.86 AU. It has minimum mass seven Jupiter masses and orbits at a distance of 2.86 astronomical units. This planet was detected by radial velocity method on August 13, 2009.
References
- 1 2 3 4 van Leeuwen, F. (2007). "Validation of the new Hipparcos reduction". Astronomy and Astrophysics. 474 (2): 653–664. Bibcode:2007A&A...474..653V. arXiv:0708.1752 . doi:10.1051/0004-6361:20078357.Vizier catalog entry
- 1 2 Fischer, Debra; et al. (2009). "Five planets and an independent confirmation of HD 196885 Ab from Lick Observatory". The Astrophysical Journal. 703 (2): 1545–1556. Bibcode:2009ApJ...703.1545F. arXiv:0908.1596 . doi:10.1088/0004-637X/703/2/1545.
External links
- PlanetQuest, HD 86264 b
Coordinates: 09h 56m 57.8388s, −15° 53′ 42.438″
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