Cape Photographic Durchmusterung -39°1929

light-years

Catalog numbers:
     Gliese (Gl) 296, Henry Draper (HD) 66020, Cape Photographic Durchmusterung (CPD) -39°1929, Luyten Half-Second (LHS) 1968, UGPMF 172
Arity: singular
Right Ascension and Declination: 7h58m15s, -39°53'30" (epoch 1950.0)
Distance from Sol: 62 light-years (19 parsecs)
Standard error in distance: 15.873%
Source for distance: Gliese
Celestial (X,Y,Z) coordinates in ly: -23, 41, -39
Galactic (X,Y,Z) coordinates in ly: -15, -59, -5.7
Proper motion: 0.849 arcsec/yr (142.7° from north)
Radial Velocity: 5.5 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: 72, -25, 6.9

What do all these fields mean?


Spectral class: K7
Luminosity Class: V
Apparent visual magnitude: +9.66
Absolute visual magnitude: +8.28
Visual luminosity: 0.04 x Sol
Color indices: B-V= +1.34, U-B= +1.21, R-I= +0.59
Diameter: 0.67 x Sol
Source for diameter: Apparent Diameters and Absolute Radii of Stars (Fracassini+ 1988)
Comfort Zone (visual): 0.2 A.U.s
Angular size of star in sky in CZ: 1.734611 degrees

light-years
but not more than light-years away
Data for this star system were most recently updated on 4-April-2001.