Kappa Volantis
| Observation data Epoch J2000.0 Equinox J2000.0 | |
|---|---|
| Constellation | Volans |
| κ1 Vol | |
| Right ascension | 08h 19m 48.96447s |
| Declination | −71° 30′ 53.6692″ |
| Apparent magnitude (V) | 5.37 |
| κ2 Vol | |
| Right ascension | 08h 20m 00.52661s |
| Declination | −71° 30′ 19.3664″ |
| Apparent magnitude (V) | 5.65 |
| Characteristics | |
| κ1 Vol | |
| Spectral type | B9III/IV |
| U−B color index | −0.31 |
| B−V color index | −0.06 |
| κ2 Vol | |
| Spectral type | B9/A0IV |
| U−B color index | −0.31 |
| B−V color index | −0.10 |
| Astrometry | |
| κ1 Vol | |
| Radial velocity (Rv) | 36.0 km/s |
| Proper motion (μ) | RA: −16.89 mas/yr Dec.: +36.26 mas/yr |
| Parallax (π) | 7.50±0.35 mas |
| Distance | 430 ± 20 ly (133 ± 6 pc) |
| Absolute magnitude (MV) | −0.29 |
| κ2 Vol | |
| Radial velocity (Rv) | −6.50 km/s |
| Proper motion (μ) | RA: −17.71 mas/yr Dec.: +34.10 mas/yr |
| Parallax (π) | 7.79 ± 0.21 mas |
| Distance | 420 ± 10 ly (128 ± 3 pc) |
| Absolute magnitude (MV) | +0.09 |
| Details | |
| κ1 Vol | |
| Mass | 2.7±0.3 M☉ |
| Radius | 3.83±0.65 R☉ |
| Luminosity | 129 L☉ |
| Surface gravity (log g) | 3.77±0.09 cgs |
| Temperature | 9,884 K |
| Metallicity [Fe/H] | −0.20+0.36 −0.25 dex |
| Rotational velocity (v sin i) | 80 km/s |
| κ2 Vol | |
| Mass | 3.03 M☉ |
| Radius | 3.01 R☉ |
| Luminosity | 124 L☉ |
| Surface gravity (log g) | 4.19 cgs |
| Temperature | 11,682 K |
| Metallicity [Fe/H] | +0.69±0.15 dex |
| Rotation | 1.29641 d |
| Rotational velocity (v sin i) | 2 km/s |
| Age | 120 Myr |
| Other designations | |
| κ Vol, WDS J08198-7131 | |
| κ1 Vol: CPD−71°677, HD 71046, HIP 40817, HR 3301, SAO 256497 | |
| κ2 Vol: CPD−71° 678, HD 71066, HIP 40834, HR 3302, SAO 256499. | |
| Database references | |
| SIMBAD | κ1 Vol |
| κ2 Vol | |
Kappa Volantis, Latinized from κ Volantis, is a quadruple star system in the southern constellation of Volans. The primary component has an apparent visual magnitude of 5.37, while the secondary companion is magnitude 5.65; individually, both a bright enough to be faintly visible to the naked eye. Based upon parallax measurements, the stars appear to be around 420−430 light-years from the Sun.