BW Vulpeculae
| Observation data Epoch J2000.0 Equinox J2000.0 | |
|---|---|
| Constellation | Vulpecula |
| Right ascension | 20h 54m 22.39523s[1] |
| Declination | +28° 31′ 19.1925″[1] |
| Apparent magnitude (V) | 6.44 - 6.68 |
| Characteristics | |
| Spectral type | B2IIIv |
| Variable type | Beta Cephei variable |
| Astrometry | |
| Proper motion (μ) | RA: 1.42 ± 0.30[1] mas/yr Dec.: 5.11 ± 0.30[1] mas/yr |
| Parallax (π) | 3.12 ± 0.40[1] mas |
| Distance | approx. 1,000 ly (approx. 320 pc) |
| Other designations | |
BW Vulpeculae is a star in the constellation Vulpecula. It varies between magnitudes 6.44 and 6.68 over a period of 4.8 hours.[3]
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
- ↑ "BW Vulpeculae -- Variable Star of beta Cephei type". SIMBAD Astronomical Database. Centre de données astronomiques de Strasbourg. Retrieved 2 August 2015.
- ↑ Otero, Sebastian Alberto (21 November 2011). "BW Vulpeculae". AAVSO Website. American Association of Variable Star Observers. Retrieved 2 August 2015.
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