Catalogue Astrographique +70°8247

light-years

Catalog numbers:
     Gliese (Gl) 742, Giclas (G) 260-15, Luyten Half-Second (LHS) 3424, Eggen/Greenstein white dwarf (EG) 129, Catalogue Astrographique (AC) +70°8247, Luyten FT (LFT) 1446
Arity: singular
Right Ascension and Declination: 19h0m39s, +70°35'6" (epoch 1950.0)
Distance from Sol: 43.6 light-years (13.4 parsecs)
Standard error in distance: 4.7134%
Source for distance: Gliese
Celestial (X,Y,Z) coordinates in ly: 3.79, -14.0, 41.1
Galactic (X,Y,Z) coordinates in ly: -7.93, 38.8, 18.3
Proper motion: 0.536 arcsec/yr (9.6° from north)
Source for proper motion: Gliese

What do all these fields mean?


Spectral class: DXP5
Luminosity Class: wd
Apparent visual magnitude: +13.20
Absolute visual magnitude: +12.57
Visual luminosity: 0.00082 x Sol
Color indices: B-V= +0.05, U-B= -0.86
Diameter: 0.008 x Sol
Source for diameter: Apparent Diameters and Absolute Radii of Stars (Fracassini+ 1988)
Comfort Zone (visual): 0.029 A.U.s
Angular size of star in sky in CZ: 0.149240 degrees

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