Cordoba Durchmusterung -23°315

light-years

Catalog numbers:
     Gliese (Gl) 36, Henry Draper (HD) 4747, Cordoba Durchmusterung (CD) -23°315, Giclas (G) 268-53, Luyten Half-Second (LHS) 1154, Hipparcos Input Catalog (HIC) 3850, Smithsonian Astrophysical Observatory (SAO) 166607
Arity: singular
Right Ascension and Declination: 0h49m26.778s, -23°12'45.61" (epoch 2000.0)
Distance from Sol: 61.4 light-years (18.8 parsecs)
Standard error in distance: 1.885%
Source for distance: Hipparcos
Celestial (X,Y,Z) coordinates in ly: 55.2, 12.1, -24.2
Galactic (X,Y,Z) coordinates in ly: -2.55, 3.70, -61.3
Proper motion: 0.534 arcsec/yr (77.8° from north)
Radial Velocity: 5 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: -44.7, -16.7, -4.17

What do all these fields mean?


Spectral class: G9
Luminosity Class: V
Apparent visual magnitude: +7.15
Absolute visual magnitude: +5.78
Visual luminosity: 0.42 x Sol
Color indices: B-V= +0.78
Diameter: 0.83 x Sol
Source for diameter: Apparent Diameters and Absolute Radii of Stars (Fracassini+ 1988)
Comfort Zone (visual): 0.65 A.U.s
Angular size of star in sky in CZ: 0.678762 degrees

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