HD 83183
Star in the constellation Carina
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HD 83183 is a single[9] star in the southern constellation of Carina. It has the Bayer designation h Carinae, while HD 83183 is the star's identifier from the Henry Draper catalogue. The star is blue-white in hue and is faintly visible to the naked eye with an apparent visual magnitude of 4.08.[2] It is located at a distance of approximately 1,330 light years based on parallax,[1] and is drifting further away with a radial velocity of +18 km/s.[2] O. J. Eggen identified it as a member of the Pleiades group of co-moving stars.[10]
 | |
| Observation data Epoch J2000.0 Equinox J2000.0 | |
|---|---|
| Constellation | Carina |
| Right ascension | 09h 34m 26.65081s[1] |
| Declination | −59° 13′ 47.1070″[1] |
| Apparent magnitude (V) | 4.08[2] |
| Characteristics | |
| Spectral type | B5 II[3] |
| B−V color index | −0.013±0.003[2] |
| Astrometry | |
| Radial velocity (Rv) | +18.2±0.6[2] km/s |
| Proper motion (μ) | RA: −10.74[1] mas/yr Dec.: +6.60[1] mas/yr |
| Parallax (π) | 2.46±0.10 mas[1] |
| Distance | 1,330 ± 50 ly (410 ± 20 pc) |
| Absolute magnitude (MV) | −3.96[2] |
| Details | |
| Mass | 9.4±0.5[4] M☉ |
| Radius | 18[5] R☉ |
| Luminosity | 11,634[6] L☉ |
| Surface gravity (log g) | 2.50[7] cgs |
| Temperature | 14,300[6] K |
| Rotational velocity (v sin i) | 19±4[7] km/s |
| Age | 24.5±3.8[4] Myr |
| Other designations | |
| h Car, CPD−58°1576, GC 13246, HD 83183, HIP 46974, HR 3825, SAO 237117[8] | |
| Database references | |
| SIMBAD | data |
This object is a massive bright giant star with a stellar classification of B5 II.[3] It is 25[4] million years old and is spinning with a projected rotational velocity of 19 km/s.[7] The star has 9[4] times the mass of the Sun and about 18[5] times the Sun's radius. It is radiating 11,634 times the luminosity of the Sun from its enlarged photosphere at an effective temperature of 14,300 K.[6]