Gliese & Jahreiss 1224

light-years

Catalog numbers:
     Gliese & Jahreiss (GJ) 1224, Giclas (G) 154-44, Luyten Half-Second (LHS) 3359
Arity: singular
Right Ascension and Declination: 18h4m42s, -15°58'0" (epoch 1950.0)
Distance from Sol: 24.6 light-years (7.54 parsecs)
Standard error in distance: 2.7126%
Source for distance: Gliese
Celestial (X,Y,Z) coordinates in ly: 0.48, -23.6, -6.76
Galactic (X,Y,Z) coordinates in ly: 23.9, 5.85, 0.92
Proper motion: 0.664 arcsec/yr (238.2° from north)
Source for proper motion: Gliese

What do all these fields mean?


Spectral class: M4.5
Luminosity Class: V
Apparent visual magnitude: +13.63
Absolute visual magnitude: +14.24
Visual luminosity: 0.00017 x Sol
Color indices: B-V= +1.79, R-I= +1.42
Comfort Zone (visual): 0.013 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.