69 Orionis
Appearance
Observation data Epoch J2000 Equinox J2000 | |
---|---|
Constellation | Orion |
Right ascension | 06h 12m 03.27955s[1] |
Declination | 16° 07′ 49.4614″[1] |
Apparent magnitude (V) | 4.92[2] |
Characteristics | |
Spectral type | B5Vn[3] |
U−B color index | -0.59[2] |
B−V color index | -0.12[2] |
Astrometry | |
Radial velocity (Rv) | +22.00[4] km/s |
Proper motion (μ) | RA: +5.49[1] mas/yr Dec.: -16.80[1] mas/yr |
Parallax (π) | 6.17 ± 0.25 mas[1] |
Distance | 530 ± 20 ly (162 ± 7 pc) |
Absolute magnitude (MV) | -1.09[5] |
Details | |
Luminosity | 596[5] L☉ |
Surface gravity (log g) | 4.05[6] cgs |
Temperature | 17,090[6] K |
Metallicity [Fe/H] | +0.01[7] dex |
Rotational velocity (v sin i) | 285[6] km/s |
Other designations | |
Database references | |
SIMBAD | data |
69 Orionis (69 Ori) is a class B5Vn[3] (blue main-sequence) star in the constellation Orion. Its apparent magnitude is 4.92[2] and it is approximately 530 light years away based on parallax.[1]
References
- ^ a b c d e f Van Leeuwen, F. (2007). "Validation of the new Hipparcos reduction". Astronomy and Astrophysics. 474 (2): 653. arXiv:0708.1752. Bibcode:2007A&A...474..653V. doi:10.1051/0004-6361:20078357. Vizier catalog entry
- ^ a b c d Ducati, J. R. (2002). "VizieR Online Data Catalog: Catalogue of Stellar Photometry in Johnson's 11-color system". CDS/ADC Collection of Electronic Catalogues. 2237. Bibcode:2002yCat.2237....0D.
- ^ a b Hoffleit, D.; Warren, W. H. (1995). "VizieR Online Data Catalog: Bright Star Catalogue, 5th Revised Ed. (Hoffleit+, 1991)". VizieR On-line Data Catalog: V/50. Originally published in: 1964BS....C......0H. 5050. Bibcode:1995yCat.5050....0H.
- ^ Evans, D. S. (1967). "The Revision of the General Catalogue of Radial Velocities". Determination of Radial Velocities and their Applications. 30: 57. Bibcode:1967IAUS...30...57E.
- ^ a b Anderson, E.; Francis, Ch. (2012). "XHIP: An extended hipparcos compilation". Astronomy Letters. 38 (5): 331. arXiv:1108.4971. Bibcode:2012AstL...38..331A. doi:10.1134/S1063773712050015. Vizier catalog entry
- ^ a b c Zorec, J.; Frémat, Y.; Domiciano De Souza, A.; Royer, F.; Cidale, L.; Hubert, A.-M.; Semaan, T.; Martayan, C.; Cochetti, Y. R.; Arias, M. L.; Aidelman, Y.; Stee, P. (2016). "Critical study of the distribution of rotational velocities of Be stars". Astronomy & Astrophysics. 595: A132. Bibcode:2016A&A...595A.132Z. doi:10.1051/0004-6361/201628760.
- ^ Gontcharov, G. A. (2012). "Dependence of kinematics on the age of stars in the solar neighborhood". Astronomy Letters. 38 (12): 771. arXiv:1606.08814. Bibcode:2012AstL...38..771G. doi:10.1134/S1063773712120031. Vizier catalog entry