Bonner Durchmusterung +1°2447

light-years

Catalog numbers:
     Gliese (Gl) 393, Bonner Durchmusterung (BD) +1°2447, Luyten Half-Second (LHS) 2272, Hipparcos Input Catalog (HIC) 51317, Vyssotsky McCormick (McC) 127
Arity: singular
Right Ascension and Declination: 10h28m55.611s, +0°50'27.01" (epoch 2000.0)
Distance from Sol: 23.6 light-years (7.23 parsecs)
Standard error in distance: 1.5169%
Source for distance: Hipparcos
Celestial (X,Y,Z) coordinates in ly: -21.7, 9.13, 0.35
Galactic (X,Y,Z) coordinates in ly: -6.67, -14.6, 17.3
Proper motion: 0.949 arcsec/yr (218.2° from north)
Radial Velocity: 8.3 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: -6.80, -28.9, -15.7

What do all these fields mean?


Spectral class: M2n
Luminosity Class: V
Apparent visual magnitude: +9.65
Absolute visual magnitude: +10.36
Visual luminosity: 0.0063 x Sol
Color indices: B-V= +1.52, U-B= +1.20, R-I= +0.96
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.