Xi Aurigae

Xi Aurigae

Observation data Epoch J2000      Equinox J2000
Constellation	Auriga
Right ascension	05^h 54^m 50.78082^s[1]
Declination	+55° 42′ 25.0084″[1]
Apparent magnitude (V)	+5.00[2]
Distance	238 ± 5 ly (73 ± 1[1] pc)
Spectral type	A2 V[3]
Other designations
30 Aurigae, BD+55 1027, FK5 1157, HD 39283, HIP 27949, HR 2029, SAO 25450.[4]

Xi Aurigae (ξ Aur, ξ Aurigae) is the Bayer designation for a star in the northern constellation of Auriga. This star was once considered part of the constellation of Camelopardalis and held the Flamsteed designation 32 Camelopardalis.^[5] It is visible to the naked eye with an apparent visual magnitude of +5.0.^[2] The measured annual parallax shift of this star is 13.69 ± 0.28 mas,^[1] which corresponds to a physical distance of 238 light-years (73 parsecs) with a 5 light-year margin of error. This is an A-type main sequence star with a stellar classification of A2 V.^[3]

References

1. van Leeuwen, Floor (November 2007), "Validation of the new Hipparcos reduction", Astronomy and Astrophysics 474 (2): 653–664, arXiv:0708.1752v1, Bibcode:2007A&A...474..653V, doi:10.1051/0004-6361:20078357. Note: see VizieR catalogue I/311.
2. Johnson, H. L.; et al. (1966), "UBVRIJKL photometry of the bright stars", Communications of the Lunar and Planetary Laboratory 4 (99), Bibcode:1966CoLPL...4...99J
3. Cowley, A.; et al. (April 1969), "A study of the bright A stars. I. A catalogue of spectral classifications", Astronomical Journal 74: 375–406, Bibcode:1969AJ.....74..375C, doi:10.1086/110819.
4. "ksi Aur -- Star", SIMBAD Astronomical Database (Centre de Données astronomiques de Strasbourg), retrieved 2012-08-20.
5. Wagman, M. (August 1987), "Flamsteed's Missing Stars", Journal for the History of Astronomy 18 (3): 213, Bibcode:1987JHA....18..209W

External links

• HR 2029
• Image Xi Aurigae