V395 Carinae
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Carina |
| Right ascension | 09h 22m 34.67620s |
| Declination | −63° 17′ 41.3558″ |
| Apparent magnitude (V) | 15.3 |
| Characteristics | |
| Spectral type | K0III |
| U−B color index | -0.5 |
| B−V color index | +0.6 |
| Variable type | X-ray binary |
| Astrometry | |
| Radial velocity (Rv) | +51.6 km/s |
| Proper motion (μ) | RA: −3.163 mas/yr Dec.: +4.247 mas/yr |
| Parallax (π) | 0.0607±0.0231 mas |
| Distance | approx. 50,000 ly (approx. 16,000 pc) |
| Orbit | |
| Period (P) | 9.0026 ± 0.0001 d |
| Inclination (i) | 82.2 ± 1.0° |
| Semi-amplitude (K2) (secondary) | 99.1 ± 3.1 km/s |
| Details | |
| Donor Star | |
| Mass | 0.35 ± 0.03 M☉ |
| Rotational velocity (v sin i) | 32.9 ± 0.8 km/s |
| Neutron star | |
| Mass | 1.44 ± 0.10 M☉ |
| Other designations | |
| V395 Car, 2S 0921-630 | |
| Database references | |
| SIMBAD | data |
V395 Carinae, also known as 2S 0921-630, is a low-mass X-ray binary in the constellation Carina. X-ray observations have revealed that it has an extended accretion disk corona.