HD 31093
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Caelum |
| Right ascension | 04h 51m 28.216s[1] |
| Declination | –34° 54′ 22.63″[1] |
| Apparent magnitude (V) | 5.831 |
| Characteristics | |
| Spectral type | A1V + A4V[2] |
| U−B color index | 0.09 |
| B−V color index | 0.08 |
| Astrometry | |
| Radial velocity (Rv) | 23 km/s |
| Proper motion (μ) | RA: 24.90 ± 0.33[1] mas/yr Dec.: –22.68 ± 0.48[1] mas/yr |
| Parallax (π) | 12.17 ± 0.41[1] mas |
| Distance | 268 ± 9 ly (82 ± 3 pc) |
| Absolute magnitude (MV) | 5.929 |
| Details | |
| Other designations | |
| Database references | |
| SIMBAD | data |
| Data sources: | |
| Hipparcos Catalogue, CCDM (2002), Bright Star Catalogue (5th rev. ed.) | |
HD 31093 (also known as HIP 22573)[4] is a double or multiple star in the constellation Caelum. HD 31093 is roughly 268 light years[2]
References
- ↑ 1.0 1.1 1.2 1.3 1.4 van Leeuwen, F. (2007). "Validation of the new Hipparcos reduction". Astronomy and Astrophysics 474 (2): 653–664. arXiv:0708.1752. Bibcode:2007A&A...474..653V. doi:10.1051/0004-6361:20078357. Vizier catalog entry
- ↑ 2.0 2.1 Docobo, J. A.; Andrade, M. (2013). "Dynamical and physical properties of 22 binaries discovered by W. S. Finsen". Monthly Notices of the Royal Astronomical Society 428 (1): 321–339. Bibcode:2013MNRAS.428..321D. doi:10.1093/mnras/sts045.
- ↑ "HD 31093 -- Double or multiple star". SIMBAD Astronomical Database. Centre de données astronomiques de Strasbourg. Retrieved 2014-12-26.
- ↑ "HD 31093, a white main-sequence star in Caelum". www.astrostudio.org. Retrieved 2015-04-05.
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