Gliese & Jahreiss 1271

light-years

Catalog numbers:
     Gliese & Jahreiss (GJ) 1271, Luyten Half-Second (LHS) 528, Hipparcos Input Catalog (HIC) 112120
Arity: singular
Right Ascension and Declination: 22h42m38.782s, +17°40'9.92" (epoch 2000.0)
Distance from Sol: 69.2 light-years (21.2 parsecs)
Standard error in distance: 5.9094%
Source for distance: Hipparcos
Celestial (X,Y,Z) coordinates in ly: 62.2, -21.8, 21.0
Galactic (X,Y,Z) coordinates in ly: 4.72, 56.1, -40.2
Proper motion: 1.24 arcsec/yr (63.9° from north)
Source for proper motion: Gliese

What do all these fields mean?


Spectral class: M3
Luminosity Class: V
Apparent visual magnitude: +11.78
Absolute visual magnitude: +10.15
Visual luminosity: 0.0076 x Sol
Color indices: B-V= +1.56, U-B= +1.16, R-I= +1.03
Comfort Zone (visual): 0.087 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.