Cordoba Durchmusterung -28°16676

light-years

Catalog numbers:
     Gliese (Gl) 791, Cordoba Durchmusterung (CD) -28°16676, Luyten Half-Second (LHS) 3553, Hipparcos Input Catalog (HIC) 100923, New Suspected Variable (NSV) 13092
Arity: singular
Right Ascension and Declination: 20h27m41.64s, -27°44'51.9" (epoch 2000.0)
Distance from Sol: 50 light-years (15 parsecs)
Standard error in distance: 19.4317%
Source for distance: Hipparcos
Celestial (X,Y,Z) coordinates in ly: 27, -36, -23
Galactic (X,Y,Z) coordinates in ly: 41, 12, -27
Proper motion: 0.892 arcsec/yr (192.9° from north)
Radial Velocity: -16 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: 3.2, -67, 5.5

What do all these fields mean?


Spectral class: M3
Luminosity Class: V
Apparent visual magnitude: +11.41
Absolute visual magnitude: +10.48
Visual luminosity: 0.006 x Sol
Color indices: B-V= +1.52, U-B= +1.12, R-I= +1.04
Comfort Zone (visual): 0.07 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.