Astronomy:HD 33203
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Short description: Double star in the constellation Auriga
| Observation data Equinox J2000.0]] (ICRS) | |
|---|---|
| Constellation | Auriga[1] |
| Right ascension | 05h 10m 18.80756s[2] |
| Declination | +37° 18′ 06.6588″[2] |
| Apparent magnitude (V) | 6.12[3] |
| Characteristics | |
| Spectral type | K: + B2II[4] |
| U−B color index | −0.36[3] |
| B−V color index | +0.72[3] |
| Astrometry | |
| Radial velocity (Rv) | +8.6[5] km/s |
| Proper motion (μ) | RA: +3.01[2] mas/yr Dec.: −0.33[2] mas/yr |
| Parallax (π) | 2.06 ± 1.15[2] mas |
| Distance | approx. 1,600 ly (approx. 500 pc) |
| Other designations | |
| Database references | |
| SIMBAD | data |
HD 33203 is double star in the northern constellation of Auriga. It includes a bright giant star[3] with a stellar classification of B2II.[4] The two components have an angular separation of 1.617″ along a position angle of 222.1°.[6]
References
- ↑ Roman, Nancy G. (1987). "Identification of a constellation from a position". Publications of the Astronomical Society of the Pacific 99 (617): 695. doi:10.1086/132034. Bibcode: 1987PASP...99..695R Constellation record for this object at VizieR.
- ↑ 2.0 2.1 2.2 2.3 2.4 van Leeuwen, F. (2007), "Validation of the new Hipparcos reduction", Astronomy and Astrophysics 474 (2): 653–664, doi:10.1051/0004-6361:20078357, Bibcode: 2007A&A...474..653VVizier catalog entry
- ↑ 3.0 3.1 3.2 3.3 Fernie, J. D. (May 1983), "New UBVRI photometry for 900 supergiants", Astrophysical Journal Supplement Series 52: 7–22, doi:10.1086/190856, Bibcode: 1983ApJS...52....7F
- ↑ 4.0 4.1 Lesh, Janet Rountree (December 1968), "The Kinematics of the Gould Belt: an Expanding Group?", Astrophysical Journal Supplement 17: 371, doi:10.1086/190179, Bibcode: 1968ApJS...17..371L
- ↑ Wilson, Ralph Elmer (1953), "General Catalogue of Stellar Radial Velocities", Carnegie Institute Washington D.C. Publication (Washington: Carnegie Institution of Washington), Bibcode: 1953GCRV..C......0W
- ↑ Hartkopf, William I.; Mason, Brian D. (August 2011), "Speckle Interferometry at the USNO Flagstaff Station: Observations Obtained in 2008 and Nine New Orbits", The Astronomical Journal 142 (2): 10, doi:10.1088/0004-6256/142/2/56, 56, Bibcode: 2011AJ....142...56H
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