HD 126614 Ab
| Exoplanet | List of exoplanets | |
|---|---|---|
| Parent star | ||
| Star | HD 126614 A | |
| Constellation | Virgo | |
| Right ascension | (α) | 14h 26m 48.281s[1] |
| Declination | (δ) | –05° 10′ 40.01″[1] |
| Apparent magnitude | (mV) | 8.81 |
| Distance | 240 ± 20[1] ly (73 ± 5[1] pc) | |
| Spectral type | K0 | |
| Mass | (m) | 1.145 M☉ |
| Orbital elements | ||
| Semi-major axis | (a) | 2.28 ± 0.02 AU (340 Gm) |
| 31.4 mas | ||
| Periastron | (q) | 0.94 AU (141 Gm) |
| Apastron | (Q) | 3.61 AU (540 Gm) |
| Eccentricity | (e) | 0.59 ± 0.15 |
| Orbital period | (P) | 1186 ± 15 d (3.25 y) |
| Orbital speed | (υ) | 20.9 km/s |
| Argument of periastron |
(ω) | 239 ± 23° |
| Time of periastron | (T0) | 22511 ± 52 JD |
| Semi-amplitude | (K) | 9.2 ± 1.6 m/s |
| Physical characteristics | ||
| Minimum mass | (m sin i) | 0.42 ± 0.05 MJ |
| Discovery information | ||
| Discovery date | November 13, 2009 | |
| Discoverer(s) | Howard et al. | |
| Discovery method | Radial velocity | |
| Discovery site | Keck Observatory | |
| Discovery status | Published[2] | |
| Database references | ||
| Extrasolar Planets Encyclopaedia | data | |
| SIMBAD | data | |
| Exoplanet Archive | data | |
| Open Exoplanet Catalogue | data | |
HD 126614 Ab, or simply HD 126614 b, (also known as HIP 70623 b) is an extrasolar planet which orbits the primary K-type star HD 126614 A, located approximately 240 light years away in the constellation Virgo. It was discovered on November 13, 2009. However, this planet has a highly eccentric orbit around its parent star. The planetary distance ranges from 0.94 AU to 3.61 AU. HD 126614 A also has the highest metallicity of any star hosting any exoplanets, at +0.56 dex.
See also
Other planets that were discovered or confirmed on November 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
- ↑ Howard, Andrew W.; et al. (2010). "The California Planet Survey. I. Four New Giant Exoplanets". The Astrophysical Journal 721 (2): 1467–1481. arXiv:1003.3488. Bibcode:2010ApJ...721.1467H. doi:10.1088/0004-637X/721/2/1467.
- Jean Schneider (2011). "Notes for Planet HD 126614 b". Extrasolar Planets Encyclopaedia. Retrieved 29 September 2011.
Coordinates:
14h 26m 48.2804s, −05° 10′ 40.009″
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