Catalogue Astrographique -5°4400-84

light-years

Catalog numbers:
     Gliese (Gl) 660.1, Luyten Half-Second (LHS) 3271, Hipparcos Input Catalog (HIC) 84212, Catalogue Astrographique (AC) -5°4400-84
Arity: singular
Right Ascension and Declination: 17h12m51.284s, -5°7'30.98" (epoch 2000.0)
Distance from Sol: 69.3 light-years (21.3 parsecs)
Standard error in distance: 6.4984%
Source for distance: Hipparcos
Celestial (X,Y,Z) coordinates in ly: -14.1, -67.6, -6.19
Galactic (X,Y,Z) coordinates in ly: 62.9, 18.9, 22.1
Proper motion: 0.708 arcsec/yr (164.7° from north)
Source for proper motion: Gliese

What do all these fields mean?


Spectral class: M0
Luminosity Class: V-VI
Apparent visual magnitude: +11.61
Absolute visual magnitude: +9.97
Visual luminosity: 0.0089 x Sol
Color indices: B-V= +1.46, U-B= +1.06, R-I= +0.76
Comfort Zone (visual): 0.094 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.