Sanford 128

light-years

Catalog numbers:
     Gliese & Jahreiss (GJ) 1163, Sanford (SAN) 128, Luyten Two-Tenth (LTT) 18236
Arity: singular
Right Ascension and Declination: 12h41m9s, +25°22'48" (epoch 1950.0)
Distance from Sol: 60 light-years (19 parsecs)
Standard error in distance: 16.9231%
Source for distance: Gliese
Celestial (X,Y,Z) coordinates in ly: -54, -9.7, 26
Galactic (X,Y,Z) coordinates in ly: -0.4, -2.8, 60
Proper motion: 0.343 arcsec/yr (262.0° from north)
Source for proper motion: Gliese

What do all these fields mean?


Spectral class: M4
Luminosity Class: V
Apparent visual magnitude: +12.96
Absolute visual magnitude: +11.62
Visual luminosity: 0.002 x Sol
Color indices: B-V= +1.63, R-I= +1.14
Comfort Zone (visual): 0.04 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.