Delta Corvi
Delta Corvi (δ Corvi, abbreviated Delta Crv, δ Crv), also named Algorab /ˈælɡəræb/, is a third magnitude star at a distance of 86.9 light-years (26.6 parsecs) from the Sun in the southern constellation of Corvus.
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Corvus |
| Right ascension | 12h 29m 51.85517s |
| Declination | −16° 30′ 55.5525″ |
| Apparent magnitude (V) | +2.962 |
| Characteristics | |
| Spectral type | A0 IV(n) kB9 |
| U−B color index | −0.050 |
| B−V color index | −0.045 |
| Astrometry | |
| Radial velocity (Rv) | +9 km/s |
| Proper motion (μ) | RA: −210.49 mas/yr Dec.: −138.74 mas/yr |
| Parallax (π) | 37.55 ± 0.16 mas |
| Distance | 86.9 ± 0.4 ly (26.6 ± 0.1 pc) |
| Absolute magnitude (MV) | +0.2 |
| Details | |
| Mass | 2.74+0.07 −0.06 M☉ |
| Luminosity | 69.0+9.7 −8.9 L☉ |
| Surface gravity (log g) | 4.06±0.05 cgs |
| Temperature | 10,400 K |
| Rotational velocity (v sin i) | 236 km/s |
| Age | 260+14 −24×106 or 3.2+0.1 −0.1×106 years |
| Other designations | |
| Database references | |
| SIMBAD | data |
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