VV Corvi
From Infogalactic: the planetary knowledge core
| Observation data Epoch J2000 Equinox J2000 |
|
|---|---|
| Constellation | Corvus |
| Right ascension | 12h 41m 15.9528s[1] |
| Declination | −13° 00′ 50.044″[2] |
| Apparent magnitude (V) | 5.27[2] |
| Characteristics | |
| Spectral type | F5IV[2] |
| U−B color index | +0.10[3] |
| B−V color index | +0.42[3] |
| Astrometry | |
| Radial velocity (Rv) | -19.0[4] km/s |
| Proper motion (μ) | RA: -117.92[1] mas/yr Dec.: 7.86[1] mas/yr |
| Parallax (π) | 11.72 ± 1.90[1] mas |
| Distance | approx. 280 ly (approx. 90 pc) |
| Other designations | |
VV Corvi (VV Crv) is a close spectroscopic binary in the constellation Corvus. It is also an eclipsing binary,varying from magnitude 5.19 to 5.34 over 3.145 days.[5] The two stars orbit each other with a period of 1.46 days and an eccentricity of 0.088.[6] The mass ratio of the two stars is 0.775±0.024.[7] A tertiary companion was discovered during the Two Micron All-Sky Survey.[8]
References
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