Bonner Durchmusterung +44°1973

light-years

Catalog numbers:
     Henry Draper (HD) 89269, Bonner Durchmusterung (BD) +44°1973, Hipparcos Input Catalog (HIC) 50505, Smithsonian Astrophysical Observatory (SAO) 43279, FK5 Extension (FK5 Ext) 2826, Luyten Two-Tenth (LTT) 12759
Arity: singular
Right Ascension and Declination: 10h18m51.952s, +44°2'54.02" (epoch 2000.0)
Distance from Sol: 67.3 light-years (20.6 parsecs)
Standard error in distance: 1.7241%
Source for distance: Hipparcos
Celestial (X,Y,Z) coordinates in ly: -43.8, 20.7, 46.8
Galactic (X,Y,Z) coordinates in ly: -37.7, 3.98, 55.6
Proper motion: 0.308 arcsec/yr (168.5° from north)
Radial Velocity: -8.3 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: 13.4, -28.2, 1.08

What do all these fields mean?


Spectral class: G5
Luminosity Class: V
Apparent visual magnitude: +6.63
Absolute visual magnitude: +5.05
Visual luminosity: 0.83 x Sol
Color indices: B-V= +0.66, U-B= +0.15, R-I= +0.22
Comfort Zone (visual): 0.91 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.