Bonner Durchmusterung -4°1244

light-years

Catalog numbers:
     Gliese & Jahreiss (GJ) 1085, Henry Draper (HD) 38858, Bonner Durchmusterung (BD) -4°1244, Hipparcos Input Catalog (HIC) 27435, Smithsonian Astrophysical Observatory (SAO) 132554, Fifth Fundamental Catalogue (FK5) 1155, Hoffleit Bright Star (HR) 2007, Luyten Two-Tenth (LTT) 2380
Arity: singular
Right Ascension and Declination: 5h48m34.937s, -4°5'40.53" (epoch 2000.0)
Distance from Sol: 50.8 light-years (15.6 parsecs)
Standard error in distance: 1.8185%
Source for distance: Hipparcos
Celestial (X,Y,Z) coordinates in ly: 2.52, 50.6, -3.62
Galactic (X,Y,Z) coordinates in ly: -42.6, -24.2, -13.4
Proper motion: 0.232 arcsec/yr (165.6° from north)
Radial Velocity: 31.9 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: -17.6, -29.2, -12.1

What do all these fields mean?


Spectral class: G2
Luminosity Class: V
Apparent visual magnitude: +5.96
Absolute visual magnitude: +5.00
Visual luminosity: 0.87 x Sol
Color indices: B-V= +0.64, U-B= +0.10, R-I= +0.22
Comfort Zone (visual): 0.93 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.