Catalogue Astrographique +16°734-144

light-years

Catalog numbers:
     Gliese (Gl) 844, Giclas (G) 126-49, Hipparcos Input Catalog (HIC) 108752, Catalogue Astrographique (AC) +16°734-144
Arity: singular
Right Ascension and Declination: 22h1m49.065s, +16°28'3.23" (epoch 2000.0)
Distance from Sol: 53.5 light-years (16.4 parsecs)
Standard error in distance: 3.3925%
Source for distance: Hipparcos
Celestial (X,Y,Z) coordinates in ly: 44.7, -25.3, 15.2
Galactic (X,Y,Z) coordinates in ly: 11.8, 44.7, -27.0
Proper motion: 0.43 arcsec/yr (70.0° from north)
Radial Velocity: -14.8 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: -34.7, -11.0, -3.94

What do all these fields mean?


Spectral class: M2
Luminosity Class: V
Apparent visual magnitude: +10.65
Absolute visual magnitude: +9.58
Visual luminosity: 0.013 x Sol
Color indices: B-V= +1.58, U-B= +1.28, R-I= +1.01
Comfort Zone (visual): 0.11 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.