Bonner Durchmusterung +24°4357

light-years

Catalog numbers:
     Gliese (Gl) 822.2, Henry Draper (HD) 202573, Bonner Durchmusterung (BD) +24°4357, Hipparcos Input Catalog (HIC) 105000, Smithsonian Astrophysical Observatory (SAO) 89570, FK5 Extension (FK5 Ext) 5877
Arity: singular
Right Ascension and Declination: 21h15m57.177s, +25°26'1.8" (epoch 2000.0)
Distance from Sol: 47 light-years (14 parsecs)
Standard error in distance: 17.8571%
Source for distance: Gliese
Celestial (X,Y,Z) coordinates in ly: 32, -28, 20
Galactic (X,Y,Z) coordinates in ly: 12, 44, -13
Proper motion: 0.077 arcsec/yr (242.0° from north)
Radial Velocity: -26.6 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: -2.1, -25, 9.2

What do all these fields mean?


Spectral class: G5
Luminosity Class: V
Apparent visual magnitude: +6.97
Absolute visual magnitude: +6.16
Visual luminosity: 0.3 x Sol
Color indices: B-V= +0.89, U-B= +0.49, R-I= +0.36
Comfort Zone (visual): 0.5 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.