Cordoba Durchmusterung -47°11068

light-years

Catalog numbers:
     Gliese (Gl) 638.1, Henry Draper (HD) 151337, Cordoba Durchmusterung (CD) -47°11068, Hipparcos Input Catalog (HIC) 82302, Smithsonian Astrophysical Observatory (SAO) 227251
Arity: singular
Right Ascension and Declination: 16h48m59.418s, -47°43'8.14" (epoch 2000.0)
Distance from Sol: 57 light-years (18 parsecs)
Standard error in distance: 13.6364%
Source for distance: Gliese
Celestial (X,Y,Z) coordinates in ly: -12, -37, -42
Galactic (X,Y,Z) coordinates in ly: 53, -21, -2.4
Proper motion: 0.096 arcsec/yr (246.6° from north)
Radial Velocity: 29.4 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: 25, -17, 2.4

What do all these fields mean?


Spectral class: K0
Luminosity Class: V
Apparent visual magnitude: +7.38
Absolute visual magnitude: +6.16
Visual luminosity: 0.3 x Sol
Color indices: B-V= +0.91, U-B= +0.59, R-I= +0.32
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.