Bonner Durchmusterung +39°3048

light-years

Catalog numbers:
     Bonner Durchmusterung (BD) +39°3048, Giclas (G) 181-10, Hipparcos Input Catalog (HIC) 82333, Vyssotsky McCormick (McC) 319, Luyten Two-Tenth (LTT) 14979
Arity: singular
Right Ascension and Declination: 16h49m24.704s, +39°16'34.1" (epoch 2000.0)
Distance from Sol: 73.9 light-years (22.6 parsecs)
Standard error in distance: 2.5381%
Source for distance: Hipparcos
Celestial (X,Y,Z) coordinates in ly: -17.3, -54.5, 46.8
Galactic (X,Y,Z) coordinates in ly: 26.1, 50.8, 46.8
Proper motion: 0.296 arcsec/yr (162.7° from north)
Radial Velocity: 26 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: 38.8, 11.5, 6.90

What do all these fields mean?


Spectral class: K4
Luminosity Class: V-VI
Apparent visual magnitude: +9.40
Absolute visual magnitude: +7.63
Visual luminosity: 0.078 x Sol
Color indices: B-V= +1.27, R-I= +0.54
Comfort Zone (visual): 0.28 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.