2 Vulpeculae
Observation data Epoch J2000.0 Equinox J2000.0 | |
---|---|
Constellation | Vulpecula |
Right ascension | 19h 17m 43.637s[1] |
Declination | +23° 01′ 31.95″[1] |
Apparent magnitude (V) | 5.43 |
Characteristics | |
Spectral type | B1 IV[2] |
Astrometry | |
Proper motion (μ) | RA: 2.04±0.30[1] mas/yr Dec.: −2.78±0.30[1] mas/yr |
Parallax (π) | 2.68 ± 0.36 mas[1] |
Distance | approx. 1,200 ly (approx. 370 pc) |
Other designations | |
Database references | |
SIMBAD | data |
2 Vulpeculae is a subgiant star approximately 1,200 ly away in the constellation Vulpecula.
References
- ^ a b c d e 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
- ^ Rountree, Janet; Sonneborn, George (1991). "Criteria for the spectral classification of B stars in the ultraviolet". Astrophysical Journal. 369: 515. Bibcode:1991ApJ...369..515R. doi:10.1086/169781.
External links
- 2 Vulpeculae on WikiSky: DSS2, SDSS, GALEX, IRAS, Hydrogen α, X-Ray, Astrophoto, Sky Map, Articles and images