69 Virginis

light-years
Proper names: 69 Virginis
Catalog numbers:
     Gliese (Gl) 511.2, Henry Draper (HD) 116976, Bonner Durchmusterung (BD) -15°3668, Hipparcos Input Catalog (HIC) 65639, Smithsonian Astrophysical Observatory (SAO) 157946, Hoffleit Bright Star (HR) 5068, New Suspected Variable (NSV) 6253
Arity: singular
Right Ascension and Declination: 13h27m27.189s, -15°58'24.62" (epoch 2000.0)
Distance from Sol: 258 light-years (79.2 parsecs)
Standard error in distance: 5.6054%
Source for distance: Hipparcos
Celestial (X,Y,Z) coordinates in ly: -230, -92.5, -71.1
Galactic (X,Y,Z) coordinates in ly: 131, -125, 185
Proper motion: 0.123 arcsec/yr (279.4° from north)
Radial Velocity: -12.4 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: -44.7, -16.6, 3.04

What do all these fields mean?


Spectral class: K1
Luminosity Class: III
Apparent visual magnitude: +4.75
Absolute visual magnitude: +0.26
Visual luminosity: 68.5 x Sol
Color indices: B-V= +1.10, U-B= +1.06, R-I= +0.36
Diameter: 18.7 x Sol
Source for diameter: Apparent Diameters and Absolute Radii of Stars (Fracassini+ 1988)
Comfort Zone (visual): 8.28 A.U.s
Angular size of star in sky in CZ: 1.205870 degrees

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