Bonner Durchmusterung -3°4233

light-years

Catalog numbers:
     Gliese (Gl) 701, Henry Draper (HD) 165222, Bonner Durchmusterung (BD) -3°4233, Luyten Half-Second (LHS) 3356, Hipparcos Input Catalog (HIC) 88574, Smithsonian Astrophysical Observatory (SAO) 142072, Vyssotsky McCormick (McC) 176, New Suspected Variable (NSV) 10167
Arity: singular
Right Ascension and Declination: 18h5m7.507s, -3°1'52.38" (epoch 2000.0)
Distance from Sol: 25.4 light-years (7.80 parsecs)
Standard error in distance: 1.1101%
Source for distance: Hipparcos
Celestial (X,Y,Z) coordinates in ly: 0.57, -25.4, -1.34
Galactic (X,Y,Z) coordinates in ly: 22.8, 10.7, 3.67
Proper motion: 0.644 arcsec/yr (121.1° from north)
Radial Velocity: 32.5 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: 32.7, 14.1, -18.8

What do all these fields mean?


Spectral class: M0
Luminosity Class: V
Apparent visual magnitude: +9.37
Absolute visual magnitude: +9.91
Visual luminosity: 0.0094 x Sol
Color indices: B-V= +1.52, U-B= +1.20, R-I= +0.85
Diameter: 0.48 x Sol
Source for diameter: Apparent Diameters and Absolute Radii of Stars (Fracassini+ 1988)
Comfort Zone (visual): 0.097 A.U.s
Angular size of star in sky in CZ: 2.635532 degrees

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