Wolf 1487

light-years

Catalog numbers:
     Gliese & Jahreiss (GJ) 1172, Bonner Durchmusterung (BD) +5°2767, Hipparcos Input Catalog (HIC) 66222, Smithsonian Astrophysical Observatory (SAO) 120011, Vyssotsky McCormick (McC) 48, Wolf 1487
Arity: singular
Right Ascension and Declination: 13h34m21.475s, +4°40'2.1" (epoch 2000.0)
Distance from Sol: 66.9 light-years (20.5 parsecs)
Standard error in distance: 3.2143%
Source for distance: Hipparcos
Celestial (X,Y,Z) coordinates in ly: -61.1, -26.7, 5.44
Galactic (X,Y,Z) coordinates in ly: 24.7, -14.0, 60.5
Proper motion: 0.192 arcsec/yr (133.5° from north)
Radial Velocity: 14 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: 22.3, -4.50, 5.33

What do all these fields mean?


Spectral class: M0.5
Luminosity Class: V
Apparent visual magnitude: +9.95
Absolute visual magnitude: +8.39
Visual luminosity: 0.038 x Sol
Color indices: B-V= +1.38, U-B= +1.21, R-I= +0.68
Comfort Zone (visual): 0.20 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.