Observation data Epoch J2000 Equinox J2000 | |
---|---|
Constellation | Corvus |
Right ascension | 12h 19m 37.8719s |
Declination | -19° 15' 21.844"' |
Apparent magnitude (V) | 9.25 |
Characteristics | |
Spectral type | M6e |
U−B color index | ? |
B−V color index | ? |
Variable type | Mira |
Astrometry | |
Radial velocity (Rv) | -22.0 km/s |
Proper motion (μ) | RA: -2.36 mas/yr Dec.: -6.30 mas/yr |
Parallax (π) | -1.24 ± 2.76 mas |
Absolute magnitude (MV) | 10.4 |
Details | |
Mass | ? M☉ |
Radius | ? R☉ |
Luminosity | ? L☉ |
Temperature | ? K |
Metallicity | ? |
Rotation | ? |
Age | ? years |
Other designations | |
V* R Crv, GSC 06105-00999, TYC 6105-999-1, BD-18° 3367, HD 107199, GC 16806, HIC 60106, HIP 60106, SAO 157211. |
R Corvi (R Crv), a Mira variable star which ranges from a magnitude of 6.7 to 14.4 with a period of approximately 10 months.
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