Bonner Durchmusterung +2°2098

light-years

Catalog numbers:
     Gliese (Gl) 328, Bonner Durchmusterung (BD) +2°2098, Luyten Half-Second (LHS) 255, Hipparcos Input Catalog (HIC) 43790, Vyssotsky McCormick (McC) 537
Arity: singular
Right Ascension and Declination: 8h55m7.647s, +1°32'47" (epoch 2000.0)
Distance from Sol: 65.3 light-years (20.0 parsecs)
Standard error in distance: 4.221%
Source for distance: Hipparcos
Celestial (X,Y,Z) coordinates in ly: -45.2, 47.2, 1.76
Galactic (X,Y,Z) coordinates in ly: -39.0, -42.2, 31.1
Proper motion: 1.066 arcsec/yr (176.7° from north)
Radial Velocity: -3.1 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: 52.9, -75.3, -42.3

What do all these fields mean?


Spectral class: M1
Luminosity Class: V
Apparent visual magnitude: +9.99
Absolute visual magnitude: +8.48
Visual luminosity: 0.035 x Sol
Color indices: B-V= +1.40, U-B= +1.23, R-I= +0.68
Comfort Zone (visual): 0.19 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.