Bonner Durchmusterung -3°1123

light-years

Catalog numbers:
     Gliese (Gl) 205, Henry Draper (HD) 36395, Bonner Durchmusterung (BD) -3°1123, Luyten Half-Second (LHS) 30, Hipparcos Input Catalog (HIC) 25878, Smithsonian Astrophysical Observatory (SAO) 132211, Vyssotsky McCormick (McC) 9, New Suspected Variable (NSV) 2075
Heavy element abundance: 398% of Sol
Source for heavy element abundance: Strobel [Fe/H] Determinations
Arity: singular
Right Ascension and Declination: 5h31m27.34s, -3°40'39.1" (epoch 2000.0)
Distance from Sol: 18.56 light-years (5.691 parsecs)
Standard error in distance: 0.6783%
Source for distance: Hipparcos
Celestial (X,Y,Z) coordinates in ly: 2.301, 18.38, -1.191
Galactic (X,Y,Z) coordinates in ly: -15.62, -8.031, -6.007
Proper motion: 2.235 arcsec/yr (159.9° from north)
Radial Velocity: 8.5 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: 22.48, -55.64, -10.33

What do all these fields mean?


Spectral class: M1.5n
Luminosity Class: V
Apparent visual magnitude: +7.97
Absolute visual magnitude: +9.19
Visual luminosity: 0.0184 x Sol
Color indices: B-V= +1.47, U-B= +1.21, R-I= +0.85
Mass: 0.631 x Sol
Source for mass: European Southern Observatory
Diameter: 0.703 x Sol
Source for diameter: European Southern Observatory
Comfort Zone (visual): 0.135 A.U.s
Orbital period in CZ: 22.934 days
Tidal index in CZ: 253.642
Angular size of star in sky in CZ: 2.764940 degrees

light-years
but not more than light-years away
Data for this star system were most recently updated on 26-April-2003.