HD 33203

HD 33203
Observation data; Epoch J2000 Equinox J2000
Constellation	Auriga
Right ascension	05h 10m 18.80756s
Declination	+37° 18′ 06.6588″
Apparent magnitude (V)	6.12
Characteristics
Spectral type	K: + B2II
U−B color index	−0.36
B−V color index	+0.72
Astrometry
Radial velocity (Rv)	+8.6 km/s
Proper motion (μ)	RA: +3.01 mas/yr ; Dec.: −0.33 mas/yr
Parallax (π)	2.06 ± 1.15 mas
Distance	approx. 1,600 ly ; (approx. 500 pc)
Other designations
	BD+37° 1067, HD 33203, HIP 24072, SAO 57704.
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

^ ^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 18759600Vizier 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

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Observation data Epoch J2000 Equinox J2000
Constellation	Auriga
Right ascension	05^h 10^m 18.80756^s^[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 (R_v)	+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
BD+37° 1067, HD 33203, HIP 24072, SAO 57704.
Database references
SIMBAD	data