Cordoba Durchmusterung -42°469

light-years

Catalog numbers:
     Gliese (Gl) 57, Cordoba Durchmusterung (CD) -42°469, Luyten Half-Second (LHS) 141, Hipparcos Input Catalog (HIC) 6351, UGPMF 18, New Suspected Variable (NSV) 483
Arity: singular
Right Ascension and Declination: 1h21m34.651s, -41°39'23.83" (epoch 2000.0)
Distance from Sol: 55.0 light-years (16.9 parsecs)
Standard error in distance: 2.6117%
Source for distance: Hipparcos
Celestial (X,Y,Z) coordinates in ly: 38.5, 14.3, -36.6
Galactic (X,Y,Z) coordinates in ly: 2.59, -14.7, -52.9
Proper motion: 1.345 arcsec/yr (109.4° from north)
Radial Velocity: 29 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: -57.6, -95.1, -6.57

What do all these fields mean?


Spectral class: M0.5
Luminosity Class: V
Apparent visual magnitude: +10.15
Absolute visual magnitude: +9.02
Visual luminosity: 0.022 x Sol
Color indices: B-V= +1.40, U-B= +1.10, R-I= +0.69
Comfort Zone (visual): 0.15 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.