Cape Photographic Durchmusterung -49°990

light-years

Catalog numbers:
     Gliese (Gl) 240, Cape Photographic Durchmusterung (CPD) -49°990, Hipparcos Input Catalog (HIC) 31634, New Suspected Variable (NSV) 3058
Arity: singular
Right Ascension and Declination: 6h37m11.36s, -50°2'19" (epoch 2000.0)
Distance from Sol: 49.3 light-years (15.1 parsecs)
Standard error in distance: 2.3774%
Source for distance: Hipparcos
Celestial (X,Y,Z) coordinates in ly: -5.12, 31.3, -37.8
Galactic (X,Y,Z) coordinates in ly: -8.66, -44.8, -18.9
Proper motion: 0.22 arcsec/yr (90.0° from north)
Radial Velocity: 16 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: 0.46, -21.0, 7.87

What do all these fields mean?


Spectral class: K0
Luminosity Class: V-VI
Apparent visual magnitude: +9.61
Absolute visual magnitude: +8.72
Visual luminosity: 0.028 x Sol
Color indices: B-V= +1.46, U-B= +1.22, R-I= +0.76
Comfort Zone (visual): 0.17 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.