Wikipedia
Psi8 Aurigae
Psi8 Aurigae (ψ8 Aur, ψ8 Aurigae) is a star in the northern constellation of Auriga. It has an apparent visual magnitude of 6.443[2] and, based upon parallax measurements, they are approximately 750 light-years (230 parsecs) distant from the Earth.[1]
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Auriga |
| Right ascension | 06h 53m 57.074s[1] |
| Declination | +38° 30′ 18.06″[1] |
| Apparent magnitude (V) | 6.443±0.010[2] |
| Characteristics | |
| Spectral type | B9.5p[3] |
| Apparent magnitude (J) | 6.471±0.034[4] |
| Apparent magnitude (H) | 6.532±0.036[4] |
| Apparent magnitude (K) | 6.514±0.018[4] |
| Astrometry | |
| Proper motion (μ) | RA: −0.58±0.49[1] mas/yr Dec.: −28.04±0.32[1] mas/yr |
| Parallax (π) | 4.36 ± 0.45 mas[1] |
| Distance | approx. 750 ly (approx. 230 pc) |
| Details | |
| Luminosity | 134.86[5] L☉ |
| Temperature | 9878[5] K |
| Rotational velocity (v sin i) | 40[6] km/s |
| Other designations | |
| Database references | |
| SIMBAD | data |
The spectrum of the star matches a stellar classification of B9.5p[3]
See also Edit
References Edit
- ^ a b c d e f 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 "* psi08 Aur". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2012-08-24.
{{cite web}}: CS1 maint: postscript (link) - ^ a b Cowley, A.; et al. (1969). "A study of the bright stars. I. A catalogue of spectral classifications". The Astronomical Journal. 74: 375–406. Bibcode:1969AJ.....74..375C. doi:10.1086/110819.
- ^ a b c Skrutskie, Michael F.; Cutri, Roc M.; Stiening, Rae; Weinberg, Martin D.; Schneider, Stephen E.; Carpenter, John M.; Beichman, Charles A.; Capps, Richard W.; Chester, Thomas; Elias, Jonathan H.; Huchra, John P.; Liebert, James W.; Lonsdale, Carol J.; Monet, David G.; Price, Stephan; Seitzer, Patrick; Jarrett, Thomas H.; Kirkpatrick, J. Davy; Gizis, John E.; Howard, Elizabeth V.; Evans, Tracey E.; Fowler, John W.; Fullmer, Linda; Hurt, Robert L.; Light, Robert M.; Kopan, Eugene L.; Marsh, Kenneth A.; McCallon, Howard L.; Tam, Robert; Van Dyk, Schuyler D.; Wheelock, Sherry L. (1 February 2006). "The Two Micron All Sky Survey (2MASS)". The Astronomical Journal. 131 (2): 1163–1183. Bibcode:2006AJ....131.1163S. doi:10.1086/498708. ISSN 0004-6256. S2CID 18913331. Vizier catalog entry
- ^ a b McDonald, I.; et al. (2012). "Fundamental parameters and infrared excesses of Hipparcos stars". Monthly Notices of the Royal Astronomical Society. 427 (1): 343–357. arXiv:1208.2037. Bibcode:2012MNRAS.427..343M. doi:10.1111/j.1365-2966.2012.21873.x. S2CID 118665352.Vizier catalog entry
- ^ Abt, Helmut A.; et al. (2002). "Rotational Velocities of B Stars". The Astrophysical Journal. 573 (1): 359–365. Bibcode:2002ApJ...573..359A. doi:10.1086/340590.
External links Edit
- HR 2541
- Image Psi8 Aurigae