HD 93403
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Carina |
| Right ascension | 10h 45m 44.11931s[1] |
| Declination | −59° 24′ 28.1431″[1] |
| Apparent magnitude (V) | 7.3[1] |
| Characteristics | |
| Spectral type | O5.5III[2] |
| U−B color index | ? |
| B−V color index | ? |
| Variable type | None |
| Astrometry | |
| Radial velocity (Rv) | 14.80 km/s |
| Proper motion (μ) | RA: -7.27 mas/yr Dec.: 2.45 mas/yr |
| Parallax (π) | 1.22 ± 0.45[3] mas |
| Distance | approx. 2,700 ly (approx. 800 pc) |
| Details | |
| Temperature | ? K |
| Metallicity | ? |
| Rotation | ? |
| Age | ? years |
| Other designations | |
HIP 52628 | |
HD 93403 is a highly luminous hot blue star in the Carina Nebula in the constellation Carina. It is of spectral type O5.5III, though has also been determined to be a spectroscopic binary composed of a blue supergiant and blue main sequence star of spectral type O5.5I and O7V respectively.[2]
References
- ↑ 1.0 1.1 1.2 SIMBAD, HD 93403 (accessed 28 April 2015)
- ↑ 2.0 2.1 Sota, A.; Maíz Apellániz, J.; Morrell, N. I.; Barbá, R. H.; Walborn, N. R.; Gamen, R. C.; Arias, J. I.; Alfaro, E. J. (2014). "The Galactic O-Star Spectroscopic Survey (GOSSS). II. Bright Southern Stars" 211 (1). p. 84. Bibcode:2014ApJS..211...10S. doi:10.1088/0067-0049/211/1/10. 10.
- ↑ 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.
| ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||