Bonner Durchmusterung -1°1883

light-years

Catalog numbers:
     Gliese (Gl) 292.2, Henry Draper (HD) 64606, Bonner Durchmusterung (BD) -1°1883, Giclas (G) 112-54, Hipparcos Input Catalog (HIC) 38625, Smithsonian Astrophysical Observatory (SAO) 135239, AGK3 Reference (AGK3R) 7117, Woolley (Wo) 9245
Heavy element abundance: 10% of Sol
Source for heavy element abundance: Strobel [Fe/H] Determinations
Arity: singular
Right Ascension and Declination: 7h54m34.119s, -1°24'44.03" (epoch 2000.0)
Distance from Sol: 62.7 light-years (19.2 parsecs)
Standard error in distance: 3.4348%
Source for distance: Hipparcos
Celestial (X,Y,Z) coordinates in ly: -30.1, 55.0, -1.55
Galactic (X,Y,Z) coordinates in ly: -45.3, -40.7, 15.0
Proper motion: 0.283 arcsec/yr (259.0° from north)
Radial Velocity: 102 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: -83.2, -64.4, 0.53

What do all these fields mean?


NOTE: This star is actually a close-orbiting binary pair. The data below are for both sub-components of the pair combined.
Spectral class: G8
Luminosity Class: V
Apparent visual magnitude: +7.43
Absolute visual magnitude: +6.01
Visual luminosity: 0.34 x Sol
Color indices: B-V= +0.73, U-B= +0.16, R-I= +0.30
Diameter: 0.85 x Sol
Source for diameter: Apparent Diameters and Absolute Radii of Stars (Fracassini+ 1988)
Comfort Zone (visual): 0.58 A.U.s
Angular size of star in sky in CZ: 0.774702 degrees

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