69 Orionis

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69 Orionis
Orion constellation map.svg
Red circle.svg

Location of 69 Orionis (circled)
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]
Spectral type B5Vn[3]
U−B color index -0.59[2]
B−V color index -0.12[2]
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[1] mas
Distance 530 ± 20 ly
(162 ± 7 pc)
Absolute magnitude (MV) -1.09[5]
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
f1 Orionis, BD+16°1035, GC 7891, HIP 29434, HR 2198, HD 42545, SAO 95365
Database references

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]


  1. ^ a b c d e f Van Leeuwen, F. (2007). "Validation of the new Hipparcos reduction". Astronomy and Astrophysics. 474 (2): 653. Bibcode:2007A&A...474..653V. arXiv:0708.1752Freely accessible. doi:10.1051/0004-6361:20078357.  Vizier catalog entry
  2. ^ 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. 
  3. ^ 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. 
  4. ^ 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. 
  5. ^ a b Anderson, E.; Francis, Ch. (2012). "XHIP: An extended hipparcos compilation". Astronomy Letters. 38 (5): 331. Bibcode:2012AstL...38..331A. arXiv:1108.4971Freely accessible. doi:10.1134/S1063773712050015.  Vizier catalog entry
  6. ^ 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. 
  7. ^ Gontcharov, G. A. (2012). "Dependence of kinematics on the age of stars in the solar neighborhood". Astronomy Letters. 38 (12): 771. Bibcode:2012AstL...38..771G. arXiv:1606.08814Freely accessible. doi:10.1134/S1063773712120031.  Vizier catalog entry