R Corvi
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Observation data Epoch J2000 |
|
---|---|
Constellation (pronunciation) |
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 |
Distance | approx. -3000 ly (approx. -1000 pc) |
Absolute magnitude (MV) | 10.4 |
Details | |
Mass | ? M☉ |
Radius | ? R☉ |
Luminosity | ? L☉ |
Temperature | ? K |
Metallicity | ? |
Rotation | ? |
Age | ? years |
Other designations | |
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.