Catalogue Astrographique +27°21217

light-years

Catalog numbers:
     Gliese (Gl) 436, Giclas (G) 120-68, Luyten Half-Second (LHS) 310, Hipparcos Input Catalog (HIC) 57087, Vyssotsky McCormick (McC) 616, Catalogue Astrographique (AC) +27°21217
Arity: singular
Right Ascension and Declination: 11h42m10.943s, +26°42'24.4" (epoch 2000.0)
Distance from Sol: 33.4 light-years (10.2 parsecs)
Standard error in distance: 2.27%
Source for distance: Hipparcos
Celestial (X,Y,Z) coordinates in ly: -29.7, 2.32, 15.0
Galactic (X,Y,Z) coordinates in ly: -7.28, -4.52, 32.3
Proper motion: 1.08 arcsec/yr (135.5° from north)
Radial Velocity: 9.7 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: 46.2, -19.9, 17.7

What do all these fields mean?


Spectral class: M3.5
Luminosity Class: V
Apparent visual magnitude: +10.67
Absolute visual magnitude: +10.62
Visual luminosity: 0.0049 x Sol
Color indices: B-V= +1.52, U-B= +1.23, R-I= +1.01
Comfort Zone (visual): 0.070 A.U.s

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