Cordoba Durchmusterung -26°16501

light-years

Catalog numbers:
     Gliese (Gl) 891, Cordoba Durchmusterung (CD) -26°16501, Giclas (G) 275-13, Luyten Half-Second (LHS) 3904, Hipparcos Input Catalog (HIC) 114411
Arity: singular
Right Ascension and Declination: 23h10m15.725s, -25°55'53.38" (epoch 2000.0)
Distance from Sol: 51.2 light-years (15.7 parsecs)
Standard error in distance: 4.7384%
Source for distance: Hipparcos
Celestial (X,Y,Z) coordinates in ly: 44.9, -9.91, -22.4
Galactic (X,Y,Z) coordinates in ly: 16.4, 9.95, -47.4
Proper motion: 0.71 arcsec/yr (88.4° from north)
Source for proper motion: Gliese

What do all these fields mean?


Spectral class: M2.5
Luminosity Class: V
Apparent visual magnitude: +9.71
Absolute visual magnitude: +8.73
Visual luminosity: 0.028 x Sol
Color indices: B-V= +1.52, U-B= +1.20, R-I= +0.94
Comfort Zone (visual): 0.17 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.