Steph 665

light-years

Catalog numbers:
     Bonner Durchmusterung (BD) +26°1665, Steph 665
Arity: singular
Right Ascension and Declination: 7h49m45s, +26°3'30" (epoch 1950.0)
Distance from Sol: 70.9 light-years (21.7 parsecs)
Standard error in distance: 9.8039%
Source for distance: Gliese
Celestial (X,Y,Z) coordinates in ly: -29.4, 56.5, 31.1
Galactic (X,Y,Z) coordinates in ly: -62.4, -16.7, 29.1
Proper motion: 0.159 arcsec/yr (167.7° from north)
Source for proper motion: Gliese

What do all these fields mean?


Spectral class: K4
Luminosity Class: V
Apparent visual magnitude: +8.60
Absolute visual magnitude: +6.91
Visual luminosity: 0.15 x Sol
Color indices: B-V= +1.04, U-B= +0.90, R-I= +0.40
Comfort Zone (visual): 0.39 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.