Bonner Durchmusterung +42°2296

light-years

Catalog numbers:
     Gliese (Gl) 462, Henry Draper (HD) 107596, Bonner Durchmusterung (BD) +42°2296, Giclas (G) 123-26, Luyten Half-Second (LHS) 2548, Hipparcos Input Catalog (HIC) 60303, Vyssotsky McCormick (McC) 649, Luyten FT (LFT) 898
Arity: singular
Right Ascension and Declination: 12h21m54.027s, +42°8'1.8" (epoch 2000.0)
Distance from Sol: 52.2 light-years (16.0 parsecs)
Standard error in distance: 1.9749%
Source for distance: Hipparcos
Celestial (X,Y,Z) coordinates in ly: -38.5, -3.69, 35.0
Galactic (X,Y,Z) coordinates in ly: -11.1, 8.74, 50.2
Proper motion: 0.548 arcsec/yr (162.7° from north)
Radial Velocity: 15.4 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: 25.6, -25.1, 26.0

What do all these fields mean?


Spectral class: M0e
Luminosity Class: V
Apparent visual magnitude: +9.42
Absolute visual magnitude: +8.40
Visual luminosity: 0.038 x Sol
Color indices: B-V= +1.36, U-B= +1.22, R-I= +0.60
Diameter: 0.66 x Sol
Source for diameter: Apparent Diameters and Absolute Radii of Stars (Fracassini+ 1988)
Comfort Zone (visual): 0.19 A.U.s
Angular size of star in sky in CZ: 1.805320 degrees

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