Cordoba Durchmusterung -27°101

light-years

Catalog numbers:
     Gliese (Gl) 17.2, Henry Draper (HD) 1815, Cordoba Durchmusterung (CD) -27°101, Giclas (G) 266-100, Hipparcos Input Catalog (HIC) 1768, Smithsonian Astrophysical Observatory (SAO) 166223, Southern Reference System (SRS) 3095, Luyten Two-Tenth (LTT) 190
Arity: singular
Right Ascension and Declination: 0h22m23.649s, -27°1'57.68" (epoch 2000.0)
Distance from Sol: 73 light-years (22 parsecs)
Standard error in distance: 13.7744%
Source for distance: Hipparcos
Celestial (X,Y,Z) coordinates in ly: 65, 6.4, -33
Galactic (X,Y,Z) coordinates in ly: 6.2, 4.3, -73
Proper motion: 0.476 arcsec/yr (149.3° from north)
Radial Velocity: 0.4 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: -0.5, -51, -3.5

What do all these fields mean?


Spectral class: K3
Luminosity Class: V
Apparent visual magnitude: +8.32
Absolute visual magnitude: +6.56
Visual luminosity: 0.2 x Sol
Color indices: B-V= +0.90
Diameter: 0.77 x Sol
Source for diameter: Apparent Diameters and Absolute Radii of Stars (Fracassini+ 1988)
Comfort Zone (visual): 0.5 A.U.s
Angular size of star in sky in CZ: 0.903167 degrees

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