Bonner Durchmusterung +1°543

light-years

Catalog numbers:
     Gliese (Gl) 123, Henry Draper (HD) 19305, Bonner Durchmusterung (BD) +1°543 , Luyten Half-Second (LHS) 1496 , Hipparcos Input Catalog (HIC) 14445, Smithsonian Astrophysical Observatory (SAO) 110970, Vyssotsky McCormick (McC) 98
Arity: singular
Right Ascension and Declination: 3h6m26.746s, +1°57'55" (epoch 2000.0)
Distance from Sol: 48.2 light-years (14.8 parsecs)
Standard error in distance: 2.5623%
Source for distance: Hipparcos
Celestial (X,Y,Z) coordinates in ly: 33.1, 35.0, 1.65
Galactic (X,Y,Z) coordinates in ly: -33.6, 1.77, -34.5
Proper motion: 0.992 arcsec/yr (156.8° from north)
Radial Velocity: -30.2 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: 35.3, -66.9, 4.38

What do all these fields mean?


Spectral class: M0
Luminosity Class: V
Apparent visual magnitude: +9.07
Absolute visual magnitude: +8.23
Visual luminosity: 0.045 x Sol
Color indices: B-V= +1.38
Diameter: 0.69 x Sol
Source for diameter: Apparent Diameters and Absolute Radii of Stars (Fracassini+ 1988)
Comfort Zone (visual): 0.21 A.U.s
Angular size of star in sky in CZ: 1.741906 degrees

light-years
but not more than light-years away
Data for this star system were most recently updated on 4-April-2001.