18 Aurigae
Observation data Epoch J2000 Equinox J2000 | |
---|---|
Constellation | Auriga |
Right ascension | 05h 19m 23.74324s[1] |
Declination | +33° 59′ 07.5137″[1] |
Apparent magnitude (V) | 6.489[2] |
Characteristics | |
Spectral type | A7V[3] |
U−B color index | +0.09[4] |
B−V color index | +0.24[4] |
Astrometry | |
Radial velocity (Rv) | 7.3 ± 2[5] km/s |
Proper motion (μ) | RA: 27.35[1] mas/yr Dec.: −4.29[1] mas/yr |
Parallax (π) | 14.58 ± 0.52[1] mas |
Distance | 224 ± 8 ly (69 ± 2 pc) |
Other designations | |
Database references | |
SIMBAD | data |
18 Aurigae is a star in the constellation Auriga. Its apparent magnitude is 6.49.
References
- 1 2 3 4 5 van Leeuwen, F.; et al. (2007). "Validation of the new Hipparcos reduction". Astronomy and Astrophysics. 474 (2): 653–664. Bibcode:2007A&A...474..653V. arXiv:0708.1752 . doi:10.1051/0004-6361:20078357.
- ↑ Høg, E.; et al. (2000). "The Tycho-2 catalogue of the 2.5 million brightest stars". Astronomy and Astrophysics. 355: L27–L30. Bibcode:2000A&A...355L..27H.
- ↑ Cowley, A.; Cowley, C.; Jaschek, M.; Jaschek, C. (1969). "A study of the bright stars. I. A catalogue of spectral classifications". The Astronomical Journal. 74: 375. doi:10.1086/110819.
- 1 2 Deutschman, W. A.; Davis, R. J.; Schild, R. E. (1976). "The galactic distribution of interstellar absorption as determined from the Celescope catalog of ultraviolet stellar observations and a new catalog of UBV, H-beta photoelectric observations". The Astrophysical Journal Supplement Series. 30: 97. doi:10.1086/190359.
- ↑ Wilson, Ralph Elmer (1953). "General catalogue of stellar radial velocities". Washington. Bibcode:1953GCRV..C......0W.
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