Bonner Durchmusterung +53°1395

light-years

Catalog numbers:
     Gliese (Gl) 383.1, Henry Draper Extension (HDE) 233719, Bonner Durchmusterung (BD) +53°1395, Giclas (G) 196-13, Luyten Half-Second (LHS) 2237, Hipparcos Input Catalog (HIC) 50125, Smithsonian Astrophysical Observatory (SAO) 27569, Vyssotsky McCormick (McC) 567, Woolley (Wo) 9319
Arity: singular
Right Ascension and Declination: 10h13m57.35s, +52°30'23.91" (epoch 2000.0)
Distance from Sol: 74.5 light-years (22.8 parsecs)
Standard error in distance: 3.1402%
Source for distance: Hipparcos
Celestial (X,Y,Z) coordinates in ly: -40.6, 20.2, 59.1
Galactic (X,Y,Z) coordinates in ly: -43.5, 14.9, 58.6
Proper motion: 0.773 arcsec/yr (173.9° from north)
Radial Velocity: -24.8 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: 24.4, -83.4, 7.83

What do all these fields mean?


Spectral class: M0
Luminosity Class: V
Apparent visual magnitude: +9.54
Absolute visual magnitude: +7.74
Visual luminosity: 0.070 x Sol
Color indices: B-V= +1.10, U-B= +0.94, R-I= +0.47
Diameter: 0.69 x Sol
Source for diameter: Apparent Diameters and Absolute Radii of Stars (Fracassini+ 1988)
Comfort Zone (visual): 0.26 A.U.s
Angular size of star in sky in CZ: 1.394343 degrees

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