Catalogue Astrographique -7°388-38

light-years

Catalog numbers:
     Gliese (Gl) 828.2, Hipparcos Input Catalog (HIC) 105932, Catalogue Astrographique (AC) -7°388-38
Arity: singular
Right Ascension and Declination: 21h27m16.842s, -6°50'39.61" (epoch 2000.0)
Distance from Sol: 53.0 light-years (16.2 parsecs)
Standard error in distance: 4.0667%
Source for distance: Hipparcos
Celestial (X,Y,Z) coordinates in ly: 41.3, -32.5, -6.31
Galactic (X,Y,Z) coordinates in ly: 28.6, 30.3, -32.7
Proper motion: 0.411 arcsec/yr (180.0° from north)
Source for proper motion: Gliese

What do all these fields mean?


Spectral class: M0
Luminosity Class: V-VI
Apparent visual magnitude: +11.09
Absolute visual magnitude: +10.03
Visual luminosity: 0.0084 x Sol
Color indices: B-V= +1.55, U-B= +1.17, R-I= +0.78
Comfort Zone (visual): 0.092 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.