| 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) | 0.052[2] AU |
| Eccentricity | (e) | 0.27 ± 0.12[2] |
| Orbital period | (P) | 4.1547 ± 0.0005[2] d |
| Argument of periastron |
(ω) | 103 ± 23[2]° |
| Time of periastron | (T0) | 2,454,420.17 ± 0.23[2] JD |
| Semi-amplitude | (K) | 7.2 ± 1.2[2] m/s |
| Physical characteristics | ||
| Minimum mass | (m sin i) | 0.058[2] MJ |
| Discovery information | ||
| Discovery date | October 19, 2009 | |
| Discoverer(s) | Segransan et al. | |
| Discovery method | Radial velocity (HARPS) | |
| Discovery site | La Silla Observatory | |
| Discovery status | Published[2] | |
| Database references | ||
| Extrasolar Planets Encyclopaedia | data | |
| SIMBAD | data | |
HD 125612 c is an extrasolar planet which orbits the G-type main sequence star HD 125612, located approximately 180 light years away in the constellation Virgo.[2] This planet was detected by HARPS on October 19, 2009, together with 29 other planets, including HD 125612 d.
References[]
- ↑ 1.0 1.1 1.2 1.3 (2007). Validation of the new Hipparcos reduction. Astronomy and Astrophysics 474 (2): 653–664. Vizier catalog entry
- ↑ 2.00 2.01 2.02 2.03 2.04 2.05 2.06 2.07 2.08 2.09 2.10 2.11 2.12 2.13 (2010). The HARPS search for southern extra-solar planets. XXII. Multiple planet systems from the HARPS volume limited sample. Astronomy and Astrophysics 512.
Coordinates: Sky map 14h 20m 53.5147s, −17° 28′ 53.475″ Template:HD 125612
| File:Iota-draconis-b.jpg | This extrasolar-planet-related article is a stub. You can help Wikipedia by expanding it. |
