Bonner Durchmusterung -4°3873

light-years

Catalog numbers:
     Gliese (Gl) 583, Bonner Durchmusterung (BD) -4°3873, Hipparcos Input Catalog (HIC) 75201, Smithsonian Astrophysical Observatory (SAO) 140488, Vyssotsky McCormick (McC) 58, New Suspected Variable (NSV) 7040
Arity: singular
Right Ascension and Declination: 15h22m4.135s, -4°46'38.41" (epoch 2000.0)
Distance from Sol: 61.6 light-years (18.9 parsecs)
Standard error in distance: 2.844%
Source for distance: Hipparcos
Celestial (X,Y,Z) coordinates in ly: -39.0, -47.4, -5.13
Galactic (X,Y,Z) coordinates in ly: 46.4, -1.71, 40.4
Proper motion: 0.298 arcsec/yr (271.5° from north)
Radial Velocity: -17.8 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: -27.1, -16.8, 3.34

What do all these fields mean?


Spectral class: K7
Luminosity Class: V
Apparent visual magnitude: +9.47
Absolute visual magnitude: +8.09
Visual luminosity: 0.051 x Sol
Color indices: B-V= +1.33, U-B= +1.23, R-I= +0.56
Comfort Zone (visual): 0.22 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.