WR 46
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Crux |
| Right ascension | 12h 05m 18.72028s |
| Declination | −62° 03′ 10.1280″ |
| Apparent magnitude (V) | 10.83 |
| Characteristics | |
| Spectral type | WN3p-w |
| U−B color index | -0.84 |
| B−V color index | -0.03 |
| Variable type | Irregular |
| Astrometry | |
| Radial velocity (Rv) | 4.00 km/s |
| Proper motion (μ) | RA: -5.625 mas/yr Dec.: 0.304 mas/yr |
| Parallax (π) | 0.3501±0.0343 mas |
| Distance | 9,300 ± 900 ly (2,900 ± 300 pc) |
| Absolute magnitude (MV) | −2.56 |
| Details | |
| Mass | 14 M☉ |
| Radius | 1.36 R☉ |
| Luminosity | 263,000 L☉ |
| Temperature | 112,200 K |
| Other designations | |
| HD 104994, HIP 58954, DI Crucis, CD-61°3331, GSC 08978-02316, 2MASS J12051871-6203101, AAVSO 1200-61 | |
| Database references | |
| SIMBAD | data |
WR 46 (DI Crucis) is a Wolf-Rayet star in the constellation of the Southern Cross of apparent magnitude +10.8. It is located at 55 arcmin north of Theta2 Crucis. The star is a member of the distant stellar association Cru OB4, and is around 2,900 parsecs or 9,300 light years from the Solar System.