 The visual band light curve of R Corvi, from AAVSO data | |
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Corvus |
| Right ascension | 12 19 37.8727 |
| Declination | −19° 15′ 21.877″ |
| Apparent magnitude (V) | 6.70 |
| Characteristics | |
| Spectral type | M4.5-9:e |
| B−V color index | 3.70 |
| Variable type | Mira |
| Astrometry | |
| Radial velocity (Rv) | -22.00 km/s |
| Proper motion (μ) | RA: -1.20 mas/yr Dec.: -10.03 mas/yr |
| Distance | 810 pc |
| Other designations | |
| BD-18° 3367, HD 107199, HIP 60106, SAO 157211. | |
| Database references | |
| SIMBAD | data |
R Corvi (R Crv) is a Mira variable star in the constellation Corvus, which ranges from a magnitude of 6.7 to 14.4 with a period of approximately 317 days. In the sky it appears close to Gamma Corvi and can be seen in the same binocular field. Extrapolating its luminosity from its period of 317 days yields a distance of 810 parsecs.
References
- "Download Data". aavso.org. AAVSO. Retrieved 1 October 2021.
- ^ "R Crv". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 24 June 2014.
- ^ VSX (4 January 2010). "R Corvi". AAVSO Website. American Association of Variable Star Observers. Retrieved 24 May 2014.
- Garfinkle, Robert A. (1997), Star-Hopping: Your Visa to Viewing the Universe, Cambridge University Press, p. 108, ISBN 0-521-59889-3
- Whitelock, Patricia A.; Feast, Michael W.; van Leeuwen, Floor (2008). "AGB variables and the Mira period-luminosity relation". Monthly Notices of the Royal Astronomical Society. 386 (1): 313–23. arXiv:0801.4465. Bibcode:2008MNRAS.386..313W. doi:10.1111/j.1365-2966.2008.13032.x. S2CID 17676993.
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