HD 33203

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HD 33203
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]
Spectral type K: + B2II[3]
U−B color index −0.36[2]
B−V color index +0.72[2]
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[1] mas
Distanceapprox. 1,600 ly
(approx. 500 pc)
Other designations
BD+37° 1067, HD 33203, HIP 24072, SAO 57704.
Database references

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]


  1. ^ 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:10.1051/0004-6361:20078357Vizier catalog entry
  2. ^ 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
  3. ^ 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
  4. ^ Wilson, Ralph Elmer (1953), General Catalogue of Stellar Radial Velocities, Washington: Carnegie Institution of Washington, Bibcode:1953GCRV..C......0W
  5. ^ 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

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