| |
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Corvus |
| Right ascension | 12h19m 37.8727s[2] |
| Declination | −19° 15′ 21.877″[2] |
| Apparent magnitude (V) | 6.70[2] |
| Characteristics | |
| Spectral type | M4.5-9:e[2] |
| B−V color index | 3.70[2] |
| Variable type | Mira[3] |
| Astrometry | |
| Radial velocity (Rv) | -22.00[2] km/s |
| Proper motion (μ) | RA: -1.20[2] mas/yr Dec.: -10.03[2] mas/yr |
| Distance | 810 pc |
| Other designations | |
| 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.[3] In the sky it appears close to Gamma Corvi and can be seen in the same binocular field.[4] Extrapolating its luminosity from its period of 317 days yields a distance of 810 parsecs.[5]
|
| |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| |||||||||||||
| Stars |
| ||||||||||||
| |||||||||||||
| |||||||||||||
| Galaxies |
| ||||||||||||
| |||||||||||||
| |||||||||||||
 | This variable star–related article is a stub. You can help Wikipedia by expanding it. |
