HD 125612 b
| Extrasolar planet | List of extrasolar planets | |
|---|---|---|
| Parent star | ||
| Star | HD 125612 | |
| Constellation | Virgo | |
| Right ascension | (α) | 14h 20m 53.517s[1] |
| Declination | (δ) | –17° 28′ 53.49″[1] |
| Apparent magnitude | (mV) | 8.31 |
| Distance | 180 ± 10[1] ly (54 ± 3[1] pc) | |
| Spectral type | G3V[2] | |
| Mass | (m) | 1.091 ± 0.027[2] M☉ |
| Radius | (r) | 1.05 ± 0.08 R☉ |
| Temperature | (T) | 5900 ± 18[2] K |
| Metallicity | [Fe/H] | 0.23 ± 0.014[2] |
| Age | <3[2] Gyr | |
| Orbital elements | ||
| Semimajor axis | (a) | 1.37[2] AU |
| Eccentricity | (e) | 0.46 ± 0.01[2] |
| Orbital period | (P) | 559.4 ± 1.3[2] d |
| Argument of periastron |
(ω) | 41.5 ± 1.7[2]° |
| Time of periastron | (T0) | 2,454,894.9 ± 2.5[2] JD |
| Semi-amplitude | (K) | 79.8 ± 2.3[2] m/s |
| Physical characteristics | ||
| Minimum mass | (m sin i) | 3.0[2] MJ |
| Discovery information | ||
| Discovery date | April 10, 2007 | |
| Discoverer(s) | Fischer et al. | |
| Discovery method | Radial velocity | |
| Discovery site | California, USA | |
| Discovery status | Published[3] | |
| Database references | ||
| Extrasolar Planets Encyclopaedia | data | |
| SIMBAD | data | |
| Exoplanet Archive | data | |
| Open Exoplanet Catalogue | data | |
HD 125612 b is an extrasolar planet which orbits the G-type main sequence star HD 125612, located approximately 180 light years away in the constellation Virgo. This planet was detected by radial velocity and published on April 10, 2007.[3]
References
- ↑ 1.0 1.1 1.2 1.3 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
- ↑ 2.0 2.1 2.2 2.3 2.4 2.5 2.6 2.7 2.8 2.9 2.10 2.11 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.
- ↑ 3.0 3.1 Fischer, Debra A. et al. (2007). "Five Intermediate-Period Planets from the N2K Sample". The Astrophysical Journal 669 (2): 1336–1344. arXiv:0704.1191. Bibcode:2007ApJ...669.1336F. doi:10.1086/521869.
External links
- "HD 125612". Exoplanets.
Coordinates: 
14h 20m 53.5147s, −17° 28′ 53.475″
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