Alpha Pavonis
Alpha Pavonis (α Pavonis, abbreviated Alpha Pav, α Pav), formally named Peacock /ˈpiːkɒk/, is a binary star in the southern constellation of Pavo, near the border with the constellation Telescopium.
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Pavo |
| Right ascension | 20h 25m 38.85705s |
| Declination | −56° 44′ 06.3230″ |
| Apparent magnitude (V) | 1.94 |
| Characteristics | |
| Spectral type | B3 V |
| U−B color index | −0.71 |
| B−V color index | −0.20 |
| Astrometry | |
| Radial velocity (Rv) | +2.0 km/s |
| Proper motion (μ) | RA: 6.90 mas/yr Dec.: −86.02 mas/yr |
| Parallax (π) | 18.24 ± 0.52 mas |
| Distance | 179 ± 5 ly (55 ± 2 pc) |
| Absolute magnitude (MV) | −1.762 |
| Details | |
| Mass | 5.91 M☉ |
| Radius | 4.83 R☉ |
| Luminosity | 2,200 L☉ |
| Surface gravity (log g) | 3.94 cgs |
| Temperature | 17,711 K |
| Rotational velocity (v sin i) | 16 km/s |
| Age | 48 Myr |
| Other designations | |
| Database references | |
| SIMBAD | data |
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