Cape Photographic Durchmusterung -57°7690

light-years

Catalog numbers:
     Gliese (Gl) 615, Henry Draper (HD) 145417, Cape Photographic Durchmusterung (CPD) -57°7690, Luyten Half-Second (LHS) 413, Hipparcos Input Catalog (HIC) 79537, Smithsonian Astrophysical Observatory (SAO) 243462
Arity: singular
Right Ascension and Declination: 16h13m48.542s, -57°34'13.7" (epoch 2000.0)
Distance from Sol: 44.8 light-years (13.7 parsecs)
Standard error in distance: 1.1146%
Source for distance: Hipparcos
Celestial (X,Y,Z) coordinates in ly: -10.7, -21.5, -37.8
Galactic (X,Y,Z) coordinates in ly: 37.8, -23.8, -4.04
Proper motion: 1.647 arcsec/yr (212.0° from north)
Radial Velocity: 10 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: -49.0, -92.2, -26.7

What do all these fields mean?


Spectral class: K0
Luminosity Class: V
Apparent visual magnitude: +7.53
Absolute visual magnitude: +6.84
Visual luminosity: 0.16 x Sol
Color indices: B-V= +0.83, U-B= +0.28, R-I= +0.32
Diameter: 0.79 x Sol
Source for diameter: Apparent Diameters and Absolute Radii of Stars (Fracassini+ 1988)
Comfort Zone (visual): 0.40 A.U.s
Angular size of star in sky in CZ: 1.053167 degrees

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