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. arXiv:0708.1752
. Bibcode:2007A&A...474..653V. 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. arXiv:0908.1596
. Bibcode:2009ApJ...703.1545F. 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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