DS Crucis
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Crux |
| Right ascension | 12h 51m 17.97637s |
| Declination | −60° 19′ 47.2386″ |
| Apparent magnitude (V) | 5.741 |
| Characteristics | |
| Spectral type | A1 Ia |
| U−B color index | −0.088 |
| B−V color index | +0.384 |
| Variable type | α Cyg? |
| Astrometry | |
| Radial velocity (Rv) | −21.90 km/s |
| Proper motion (μ) | RA: −4.63±0.02 mas/yr Dec.: −0.94±0.03 mas/yr |
| Parallax (π) | 0.4534±0.0296 mas |
| Distance | 7,200 ± 500 ly (2,200 ± 100 pc) |
| Absolute magnitude (MV) | −7.29 |
| Details | |
| Mass | 29 M☉ |
| Radius | 112 R☉ |
| Luminosity | 79,400 L☉ |
| Surface gravity (log g) | 1.45 cgs |
| Temperature | 9,150 K |
| Metallicity [Fe/H] | −0.11 dex |
| Rotational velocity (v sin i) | 17 km/s |
| Age | 7 Myr |
| Other designations | |
| DS Cru, HR 4876, CD−59°4432, HD 111613, HIP 62732, 2MASS J12511794-6019473 | |
| Database references | |
| SIMBAD | data |
DS Crucis (HR 4876, HD 111613) is a variable star near the open cluster NGC 4755, which is also known as the Kappa Crucis Cluster or Jewel Box Cluster. It is in the constellation Crux.