HD 33203
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Double star in the constellation Auriga
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Auriga |
| Right ascension | 05h 10m 18.80756s[1] |
| Declination | +37° 18′ 06.6588″[1] |
| Apparent magnitude (V) | 6.12[2] |
| Characteristics | |
| Spectral type | K: + B2II[3] |
| U−B color index | −0.36[2] |
| B−V color index | +0.72[2] |
| Astrometry | |
| Radial velocity (Rv) | +8.6[4] km/s |
| Proper motion (μ) | RA: +3.01[1] mas/yr Dec.: −0.33[1] mas/yr |
| Parallax (π) | 2.06 ± 1.15 mas [1] |
| 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 [2] with a stellar classification of B2II.[3] The two components have an angular separation of 1.617′′ along a position angle of 222.1°.[5]
References
[edit ]- ^ a b c d e 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, S2CID 18759600 Vizier catalog entry
- ^ a b c d Fernie, J. D. (May 1983), "New UBVRI photometry for 900 supergiants", Astrophysical Journal Supplement Series, 52: 7–22, Bibcode:1983ApJS...52....7F, doi:10.1086/190856
- ^ a b Lesh, Janet Rountree (December 1968), "The Kinematics of the Gould Belt: an Expanding Group?", Astrophysical Journal Supplement, 17: 371, Bibcode:1968ApJS...17..371L, doi:10.1086/190179
- ^ 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, Bibcode:2011AJ....142...56H, doi:10.1088/0004-6256/142/2/56 , 56
External links
[edit ]
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