Catalogue Astrographique +3°2561-36

light-years

Catalog numbers:
     Gliese (Gl) 828.1, Hipparcos Input Catalog (HIC) 105885, Vyssotsky McCormick (McC) 70, Catalogue Astrographique (AC) +3°2561-36
Arity: singular
Right Ascension and Declination: 21h26m42.44s, +3°44'13.51" (epoch 2000.0)
Distance from Sol: 62 light-years (19 parsecs)
Standard error in distance: 16.371%
Source for distance: Gliese
Celestial (X,Y,Z) coordinates in ly: 49, -38, 4.0
Galactic (X,Y,Z) coordinates in ly: 28, 44, -33
Proper motion: 0.09 arcsec/yr (229.0° from north)
Radial Velocity: -4.7 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: 5.0, -6.8, 4.1

What do all these fields mean?


Spectral class: M1
Luminosity Class: V
Apparent visual magnitude: +10.50
Absolute visual magnitude: +9.10
Visual luminosity: 0.02 x Sol
Color indices: B-V= +1.38, U-B= +1.20, R-I= +0.67
Comfort Zone (visual): 0.1 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.