Cordoba Durchmusterung -37°13049

light-years

Catalog numbers:
     Gliese (Gl) 744, Henry Draper (HD) 177565, Cordoba Durchmusterung (CD) -37°13049, Hipparcos Input Catalog (HIC) 93858, Smithsonian Astrophysical Observatory (SAO) 210937, Hoffleit Bright Star (HR) 7232
Age: 12000 million years — inconsistent with such a high heavy-element abundance
Source for age: B. Edvardsson et al., "Chemical Evolution of the Galactic Disc", A&AP 275
Heavy element abundance: 170% of Sol
Source for heavy element abundance: B. Edvardsson et al., "Chemical Evolution of the Galactic Disc", A&AP 275
Arity: singular
Right Ascension and Declination: 19h6m52.462s, -37°48'37.7" (epoch 2000.0)
Distance from Sol: 56.0 light-years (17.2 parsecs)
Standard error in distance: 1.5385%
Source for distance: Hipparcos
Celestial (X,Y,Z) coordinates in ly: 12.7, -42.4, -34.3
Galactic (X,Y,Z) coordinates in ly: 52.7, -0.20, -18.9
Proper motion: 0.417 arcsec/yr (208.3° from north)
Radial Velocity: 58.5 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: 56.6, -33.8, -15.1

What do all these fields mean?


Spectral class: G5
Luminosity Class: IV
Apparent visual magnitude: +6.15
Absolute visual magnitude: +4.98
Visual luminosity: 0.89 x Sol
Color indices: B-V= +0.71, U-B= +0.27, R-I= +0.35
Diameter: 1.16 x Sol
Source for diameter: Apparent Diameters and Absolute Radii of Stars (Fracassini+ 1988)
Comfort Zone (visual): 0.94 A.U.s
Angular size of star in sky in CZ: 0.658059 degrees

light-years
but not more than light-years away
Data for this star system were most recently updated on 12-May-2001.