HIP 5158 b
| Exoplanet | List of exoplanets | |
|---|---|---|
| Parent star | ||
| Star | HIP 5158 | |
| Constellation | Cetus | |
| Right ascension | (α) | 01h 06m 02.05s[1] |
| Declination | (δ) | –22° 27′ 11.3″[1] |
| Apparent magnitude | (mV) | 10.21 |
| Distance | 130 ± 10[1] ly (41 ± 4[1] pc) | |
| Spectral type | K5V | |
| Orbital elements | ||
| Semi-major axis | (a) | 0.89[2] AU |
| Eccentricity | (e) | 0.52 ± 0.08[2] |
| Orbital period | (P) | 345.72 ± 5.37[2] d |
| Argument of periastron |
(ω) | −108 ± 11[2]° |
| Time of periastron | (T0) | 2,454,580.49 ± 15.21[2] JD |
| Semi-amplitude | (K) | 57 ± 11[2] m/s |
| Physical characteristics | ||
| Minimum mass | (m sin i) | 1.42[2] MJ |
| Discovery information | ||
| Discovery date | October 19, 2009 | |
| Discoverer(s) | Lo Curto et al. | |
| Discovery method | radial velocity (HARPS) | |
| Discovery site | La Silla Observatory | |
| Discovery status | Published[2] | |
| Database references | ||
| Extrasolar Planets Encyclopaedia | data | |
| SIMBAD | data | |
| Exoplanet Archive | data | |
| Open Exoplanet Catalogue | data | |
HIP 5158 b is an extrasolar planet which orbits the K-type main sequence star HIP 5158, located approximately 130 light years away in the constellation Cetus. This planet was detected by HARPS on October 19, 2009, together with 29 other planets.
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 3 4 5 6 7 8 Lo Curto, G.; et al. (2010). "The HARPS search for southern extra-solar planets. XXII. Multiple planet systems from the HARPS volume limited sample". Astronomy and Astrophysics 512. A48. Bibcode:2010A&A...512A..48L. doi:10.1051/0004-6361/200913523.
Coordinates: 
01h 06m 02.0482s, −22° 27′ 11.350″
This article is issued from Wikipedia - version of the Wednesday, September 30, 2015. The text is available under the Creative Commons Attribution/Share Alike but additional terms may apply for the media files.