HD 93250
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Carina |
| Right ascension | 10h 44m 45.026s[1] |
| Declination | −59° 33′ 54.68″[1] |
| Apparent magnitude (V) | 7.5[1] |
| Characteristics | |
| Spectral type | O3.5V |
| U−B color index | ? |
| B−V color index | ? |
| Variable type | None |
| Astrometry | |
| Radial velocity (Rv) | 15 km/s |
| Proper motion (μ) | RA: -8.15 mas/yr Dec.: 2.86 mas/yr |
| Parallax (π) | 0.53 ± 0.42[2] mas |
| Distance | approx. 6,000 ly (approx. 2,000 pc) |
| Details | |
| Mass | 86.83[3] M☉ |
| Luminosity | 1,038,978[3] L☉ |
| Temperature | 50250[3] K |
| Metallicity | ? |
| Rotation | ? |
| Age | ? years |
| Other designations | |
HD 93250 is a highly luminous hot blue star in the Carina Nebula in the constellation Carina. It is around 86 times as massive and a million times as luminous as the Sun.[3]
References
- ↑ 1.0 1.1 1.2 SIMBAD, HD 93250 (accessed 28 April 2015)
- ↑ van Leeuwen, F. (2007). "Validation of the New Hipparcos Reduction". Astronomy and Astrophysics 474 (2): 653–64. arXiv:0708.1752. Bibcode:2007A&A...474..653V. doi:10.1051/0004-6361:20078357.
- ↑ 3.0 3.1 3.2 3.3 Hohle, M. M.; Neuhäuser, R.; Schutz, B. F. (April 2010), "Masses and luminosities of O- and B-type stars and red supergiants", Astronomische Nachrichten 331 (4): 349, arXiv:1003.2335, Bibcode:2010AN....331..349H, doi:10.1002/asna.200911355
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