Bonner Durchmusterung +70°68b

light-years

Catalog numbers:
     Gliese (Gl) 48, Bonner Durchmusterung (BD) +70°68b, Giclas (G) 242-76, Luyten Half-Second (LHS) 131 , Vyssotsky McCormick (McC) 364, Catalogue Astrographique (AC) +71°532
Arity: singular
Right Ascension and Declination: 1h2m32.175s, +71°40'47.13" (epoch 2000.0)
Distance from Sol: 28.2 light-years (8.66 parsecs)
Standard error in distance: 3.4281%
Source for distance: Gliese
Celestial (X,Y,Z) coordinates in ly: 8.55, 2.39, 26.8
Galactic (X,Y,Z) coordinates in ly: -15.6, 23.1, 4.47
Proper motion: 1.783 arcsec/yr (101.2° from north)
Radial Velocity: 0.8 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: -61.4, -38.6, -10.1

What do all these fields mean?


Spectral class: M3.5e
Luminosity Class: V
Apparent visual magnitude: +10.04
Absolute visual magnitude: +10.35
Visual luminosity: 0.0063 x Sol
Color indices: B-V= +1.46
Comfort Zone (visual): 0.079 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.