71 Orionis

light-years
Proper names: 71 Orionis
Catalog numbers:
     Henry Draper (HD) 43042, Bonner Durchmusterung (BD) +191270, Hipparcos Input Catalog (HIC) 29650, Smithsonian Astrophysical Observatory (SAO) 95432, Hoffleit Bright Star (HR) 2220, Luyten Two-Tenth (LTT) 11815
Age: 1700 million years
Source for age: B. Edvardsson et al., "Chemical Evolution of the Galactic Disc", A&AP 275
Heavy element abundance: 105% of Sol
Source for heavy element abundance: B. Edvardsson et al., "Chemical Evolution of the Galactic Disc", A&AP 275
Arity: singular
Right Ascension and Declination: 6h14m50.85s, +19°9'22.6" (epoch 2000.0)
Distance from Sol: 68.9 light-years (21.1 parsecs)
Standard error in distance: 1.7846%
Source for distance: Hipparcos
Celestial (X,Y,Z) coordinates in ly: -4.21, 65.0, 22.6
Galactic (X,Y,Z) coordinates in ly: -67.3, -14.5, 1.82
Proper motion: 0.217 arcsec/yr (208.4° from north)
Radial Velocity: 35.7 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: -32.9, -19.2, -17.3

What do all these fields mean?


Spectral class: F6
Luminosity Class: V
Apparent visual magnitude: +5.20
Absolute visual magnitude: +3.58
Visual luminosity: 3.23 x Sol
Color indices: B-V= +0.44, U-B= +0.00
Comfort Zone (visual): 1.80 A.U.s

light-years
but not more than light-years away
Data for this star system were most recently updated on 11-May-2001.