Bonner Durchmusterung +37°783

light-years

Catalog numbers:
     Henry Draper (HD) 21809, Bonner Durchmusterung (BD) +37°783
Arity: singular
Right Ascension and Declination: 3h29m5s, +37°53'36" (epoch 1950.0)
Distance from Sol: 50.2 light-years (15.4 parsecs)
Standard error in distance: 9.7222%
Source for distance: Gliese
Celestial (X,Y,Z) coordinates in ly: 24.2, 31.3, 30.8
Galactic (X,Y,Z) coordinates in ly: -43.9, 20.8, -12.7
Proper motion: 0.084 arcsec/yr (234.5° from north)
Source for proper motion: Gliese

What do all these fields mean?


Spectral class: G5
Luminosity Class: V?
Apparent visual magnitude: +7.28
Absolute visual magnitude: +6.34
Visual luminosity: 0.25 x Sol
Comfort Zone (visual): 0.50 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.