BD+03 2562
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Virgo |
| Right ascension | 11h 50m 15.5527s[1] |
| Declination | +02° 45′ 36.472″[1] |
| Apparent magnitude (V) | 9.58[1] |
| Characteristics | |
| Spectral type | K2[2] |
| B−V color index | 1.27[1] |
| Astrometry | |
| Radial velocity (Rv) | 50.88 ± 0.06[3] km/s |
| Distance | 8539 ± 1840 ly (2618 ± 564[3] pc) |
| Absolute magnitude (MV) | −2.51[3] |
| Details[3] | |
| Mass | 1.14 ± 0.25 M☉ |
| Radius | 32.35 ± 8.82 R☉ |
| Luminosity | 501 L☉ |
| Surface gravity (log g) | 1.89 ± 0.10 cgs |
| Temperature | 4095 ± 20 K |
| Metallicity [Fe/H] | −0.71 ± 0.09 dex |
| Rotational velocity (v sin i) | 2.7 ± 0.3 km/s |
| Age | 5.25 Gyr |
| Other designations | |
| Database references | |
| SIMBAD | data |
BD+03 2562 is a very-low-metallicity star[3] in the constellation of Virgo. It is located about 8,500 light-years (2,600 parsecs) from Earth. It is orbited by an exoplanet, BD+03 2562 b.[3]
References
- 1 2 3 4 Hog, E. (1998). "The Tycho Reference Catalogue". Astronomy and Astrophysics. 335: L65. Bibcode:1998A&A...335L..65H.
- 1 2 "BD+03 2562". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 22 October 2017.
- 1 2 3 4 5 6 Villaver, E; Niedzielski, A; Wolszczan, A; Nowak, G; Kowalik, K; Adamów, M; MacIejewski, G; Deka-Szymankiewicz, B; Maldonado, J (2017). "Tracking Advanced Planetary Systems (TAPAS) with HARPS-N". Astronomy & Astrophysics. 606: A38. arXiv:1706.01278. Bibcode:2017A&A...606A..38V. doi:10.1051/0004-6361/201730471.
This article is issued from
Wikipedia.
The text is licensed under Creative Commons - Attribution - Sharealike.
Additional terms may apply for the media files.