RV Corvi
| Observation data Epoch J2000.0 Equinox J2000.0 | |
|---|---|
| Constellation | Corvus |
| Right ascension | 12h 37m 40.71385s[1] |
| Declination | −19° 34′ 40.0503″[1] |
| Apparent magnitude (V) | 8.6 - 9.16 [2] |
| Characteristics | |
| Evolutionary stage | Beta Lyrae variable |
| Spectral type | F0+G0[3] |
| Astrometry | |
| Radial velocity (Rv) | 30.0 ± 2 km/s |
| Proper motion (μ) | RA: -29.94 ± 0.79 mas/yr Dec.: 11.66 ± 0.54 mas/yr |
| Parallax (π) | 4.97 ± 0.81[4] mas |
| Distance | approx. 700 ly (approx. 200 pc) |
| Details | |
| Other designations | |
RV Corvi is an eclipsing binary star system in the constellation Corvus, ranging from apparent magnitude 8.6 to 9.16 over 18 hours.[2] The system is composed of stars of spectral types F0 and G0, which orbit each other every 0.7473 days.[3]
References
- 1 2 "RV Crv -- Eclipsing binary of beta Lyr type (semi-detached)". Retrieved 21 July 2015.
- 1 2 Watson, Christopher (4 January 2010). "RV Corvi". The International Variable Star Index. American Association of Variable Star Observers. Retrieved 21 July 2015.
- 1 2 Malkov, O. Yu.; Oblak, E.; Snegireva, E. A.; Torra, J. (2006). "A catalogue of eclipsing variables". Astronomy and Astrophysics. 446 (2): 785–89. Bibcode:2006A&A...446..785M. doi:10.1051/0004-6361:20053137.
- ↑ van Leeuwen, F. (2007). "Validation of the New Hipparcos Reduction". Astronomy and Astrophysics. 474 (2): 653–64. arXiv:0708.1752
. Bibcode:2007A&A...474..653V. doi:10.1051/0004-6361:20078357.
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