Bonner Durchmusterung +0°3077

light-years

Catalog numbers:
     Gliese & Jahreiss (GJ) 1173, Bonner Durchmusterung (BD) +0°3077, Vyssotsky McCormick (McC) 42, Luyten Two-Tenth (LTT) 5259, UGPMF 324
Arity: singular
Right Ascension and Declination: 13h32m51s, +0°8'11" (epoch 1950.0)
Distance from Sol: 68 light-years (21 parsecs)
Standard error in distance: 17.2414%
Source for distance: Gliese
Celestial (X,Y,Z) coordinates in ly: -62, -27, 0.2
Galactic (X,Y,Z) coordinates in ly: 27, -19, 59
Proper motion: 0.235 arcsec/yr (14.1° from north)
Radial Velocity: 10 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: -2.5, 17, 18

What do all these fields mean?


Spectral class: K7
Luminosity Class: V
Apparent visual magnitude: +10.28
Absolute visual magnitude: +8.69
Visual luminosity: 0.03 x Sol
Color indices: B-V= +1.44, U-B= +1.20, R-I= +0.68
Comfort Zone (visual): 0.2 A.U.s

light-years
but not more than light-years away
Data for this star system were most recently updated on 4-April-2001.