Lacaille 9352


Catalog numbers:
     Gliese (Gl) 887, Henry Draper (HD) 217987, Cordoba Durchmusterung (CD) -3615693, Luyten Half-Second (LHS) 70, Hipparcos Input Catalog (HIC) 114046, Smithsonian Astrophysical Observatory (SAO) 214301, UGPMF 591, Lacaille (Lac) 9352, New Suspected Variable (NSV) 14420
Heavy element abundance: low, probably about 10% of Sol
Arity: singular
Right Ascension and Declination: 23h5m52.025s, -35°51'12.06" (epoch 2000.0)
Distance from Sol: 10.73 light-years (3.291 parsecs)
Standard error in distance: 0.2855%
Source for distance: Hipparcos
Celestial (X,Y,Z) coordinates in ly: 8.457, -2.036, -6.286
Galactic (X,Y,Z) coordinates in ly: 4.248, 0.404, -9.847
Proper motion: 6.896 arcsec/yr (79.1° from north)
Radial Velocity: 9.5 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: -93.84, -14.48, -51.45

What do all these fields mean?

Spectral class: M2e
Luminosity Class: V
Apparent visual magnitude: +7.35
Absolute visual magnitude: +9.76
Visual luminosity: 0.0108 x Sol
Color indices: B-V= +1.49, U-B= +1.18, R-I= +0.84
Mass: 0.502 x Sol
Source for mass: European Southern Observatory
Diameter: 0.491 x Sol
Source for diameter: European Southern Observatory
Comfort Zone (visual): 0.104 A.U.s
Orbital period in CZ: 17.2891 days
Tidal index in CZ: 446.311
Angular size of star in sky in CZ: 2.516290 degrees

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