Wolf 497

light-years

Catalog numbers:
     Gliese (Gl) 525, Bonner Durchmusterung (BD) +18°2776, Luyten Half-Second (LHS) 359, Hipparcos Input Catalog (HIC) 67090, Smithsonian Astrophysical Observatory (SAO) 100686, Vyssotsky McCormick (McC) 307, Wolf 497
Arity: singular
Right Ascension and Declination: 13h45m5s, +17°47'7.1" (epoch 2000.0)
Distance from Sol: 42.5 light-years (13.0 parsecs)
Standard error in distance: 1.868%
Source for distance: Hipparcos
Celestial (X,Y,Z) coordinates in ly: -36.3, -17.9, 13.0
Galactic (X,Y,Z) coordinates in ly: 11.8, -0.15, 40.9
Proper motion: 1.896 arcsec/yr (166.7° from north)
Radial Velocity: 20.4 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: 94.0, -72.6, -6.17

What do all these fields mean?


Spectral class: M1
Luminosity Class: V
Apparent visual magnitude: +9.79
Absolute visual magnitude: +9.21
Visual luminosity: 0.018 x Sol
Color indices: B-V= +1.41, U-B= +1.17, R-I= +0.67
Comfort Zone (visual): 0.13 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.