Bonner Durchmusterung -3°1110

light-years

Catalog numbers:
     Gliese (Gl) 204, Henry Draper (HD) 36003, Bonner Durchmusterung (BD) -3°1110, Luyten Half-Second (LHS) 1763, Hipparcos Input Catalog (HIC) 25623, Smithsonian Astrophysical Observatory (SAO) 132145, Vyssotsky McCormick (McC) 463
Arity: singular
Right Ascension and Declination: 5h28m25.93s, -3°29'58.6" (epoch 2000.0)
Distance from Sol: 42.3 light-years (13.0 parsecs)
Standard error in distance: 1.1676%
Source for distance: Hipparcos
Celestial (X,Y,Z) coordinates in ly: 5.80, 41.9, -2.58
Galactic (X,Y,Z) coordinates in ly: -35.7, -17.9, -14.1
Proper motion: 0.862 arcsec/yr (202.4° from north)
Radial Velocity: -56 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: 74.5, -0.50, -19.8

What do all these fields mean?


Spectral class: K5
Luminosity Class: V
Apparent visual magnitude: +7.64
Absolute visual magnitude: +7.07
Visual luminosity: 0.13 x Sol
Color indices: B-V= +1.10, U-B= +1.06, R-I= +0.43
Diameter: 0.77 x Sol
Source for diameter: Apparent Diameters and Absolute Radii of Stars (Fracassini+ 1988)
Comfort Zone (visual): 0.36 A.U.s
Angular size of star in sky in CZ: 1.142852 degrees

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