Ross 627

light-years

Catalog numbers:
     Gliese (Gl) 427, Giclas (G) 120-45, Luyten Half-Second (LHS) 304, Eggen/Greenstein white dwarf (EG) 79, Ross 627
Arity: singular
Right Ascension and Declination: 11h21m39s, +21°38'6" (epoch 1950.0)
Distance from Sol: 44.0 light-years (13.5 parsecs)
Standard error in distance: 3.886%
Source for distance: Gliese
Celestial (X,Y,Z) coordinates in ly: -40.3, 6.81, 16.2
Galactic (X,Y,Z) coordinates in ly: -11.1, -10.9, 41.1
Proper motion: 1.05 arcsec/yr (270.2° from north)
Radial Velocity: 51 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: -71.4, -36.7, 25.6

What do all these fields mean?


Spectral class: DA7
Luminosity Class: wd
Apparent visual magnitude: +14.24
Absolute visual magnitude: +13.59
Visual luminosity: 0.00032 x Sol
Color indices: B-V= +0.28, U-B= -0.53
Comfort Zone (visual): 0.018 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.