HD 126614
| Observation data Epoch J2000.0 Equinox J2000.0 | |
|---|---|
| Constellation | Virgo |
| Right ascension | 14h 26m 48.281s[1] |
| Declination | –05° 10′ 40.01″[1] |
| Apparent magnitude (V) | 8.7 |
| Characteristics | |
| Spectral type | K0 / M |
| Apparent magnitude (B) | 9.9 |
| Apparent magnitude (J) | 7.470 |
| Apparent magnitude (H) | 7.160 |
| Apparent magnitude (K) | 7.060 |
| B−V color index | 1.2 |
| Variable type | none |
| Astrometry | |
| Proper motion (μ) | RA: -152.04 ± 0.86[1] mas/yr Dec.: -147.93 ± 0.76[1] mas/yr |
| Parallax (π) | 13.77 ± 0.96[1] mas |
| Distance | 240 ± 20 ly (73 ± 5 pc) |
| Absolute magnitude (MV) | 4.5 |
| Details | |
| Mass | 1.145 M☉ |
| Radius | 1.09 R☉ |
| Luminosity | 1.21 L☉ |
| Surface gravity (log g) | 4.39 cgs |
| Temperature | 5585 K |
| Metallicity | +0.56 |
| Rotation | ~99 days |
| Rotational velocity (v sin i) | 2.0 ± 0.5 km/s |
| Age | 7.2 ± 2.0 Gyr |
| Other designations | |
| Database references | |
| SIMBAD | data |
| Exoplanet Archive | data |
| Extrasolar Planets Encyclopaedia | data |
HD 126614 is a 9th magnitude trinary star located approximately 240 light years away in the constellation Virgo. HD 126614 A is a K-type star while HD 126614 B and NLTT 37349 are M-type stars. Star A is larger, cooler, brighter, and more massive than our Sun. Also its metal content is 3.6 times as much as the Sun, the highest metallicity planet-hosting star discovered in 2009.
| Companion (in order from star) |
Mass | Semimajor axis (AU) |
Orbital period (days) |
Eccentricity | Inclination | Radius |
|---|---|---|---|---|---|---|
| b | ≥0.38 ± 0.04 MJ | 2.35 ± 0.02 | 1244 ± 17 | 0.41 ± 0.10 | — | — |
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
- ↑ 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.
Coordinates: 
14h 26m 48.2804s, −05° 10′ 40.009″
| ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
This article is issued from Wikipedia - version of the Thursday, March 05, 2015. The text is available under the Creative Commons Attribution/Share Alike but additional terms may apply for the media files.