HD 5319 b
| Exoplanet | List of exoplanets | |
|---|---|---|
| Parent star | ||
| Star | HD 5319 | |
| Constellation | Cetus | |
| Right ascension | (α) | 00h 55m 01.40s[1] |
| Declination | (δ) | +00° 47′ 22.4″[1] |
| Apparent magnitude | (mV) | 8.05 |
| Distance | 370 ± 40[1] ly (110 ± 10[1] pc) | |
| Spectral type | K0III | |
| Orbital elements | ||
| Semi-major axis | (a) | 1.74 AU (260 Gm) |
| 17.4 mas | ||
| Periastron | (q) | 1.53 AU (229 Gm) |
| Apastron | (Q) | 1.95 AU (292 Gm) |
| Eccentricity | (e) | 0.12 |
| Orbital period | (P) | 669.37 d (1.8326 y) |
| Argument of periastron |
(ω) | 103 ± 14° |
| Time of periastron | (T0) | 2,453,163 ± 30 JD |
| Semi-amplitude | (K) | 39.4 m/s |
| Physical characteristics | ||
| Minimum mass | (m sin i) | 1.94 MJ (617 M⊕) |
| Discovery information | ||
| Discovery date | January 11, 2007 | |
| Discoverer(s) | Robinson et al.[2] | |
| Discovery method | Doppler spectroscopy | |
| Discovery site | California & Carnegie Planet Search | |
| Discovery status | Published[2] | |
| Database references | ||
| Extrasolar Planets Encyclopaedia | data | |
| SIMBAD | data | |
| Exoplanet Archive | data | |
| Open Exoplanet Catalogue | data | |
HD 5319 b is a gas giant exoplanet approximately 370 light years away[1] in the constellation of Cetus. This planet has a minimum mass nearly two times more than Jupiters. The planet has an almost circular orbit, ranging from 1.53 to 1.95 AU with a period of 1.8 years.[2]
See also
References
- 1 2 3 4 5 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 3 Robinson, Sarah E.; et al. (2007). "Two Jovian-Mass Planets in Earthlike Orbits". The Astrophysical Journal 670 (2): 1391–1400. arXiv:0708.0832. Bibcode:2007ApJ...670.1391R. doi:10.1086/522106.
Coordinates: 
00h 55m 01.4005s, +00° 47′ 22.392″
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