DN Draconis

light-years
Proper names: DN Draconis
Catalog numbers:
     Gliese & Jahreiss (GJ) 1206, Giclas (G) 226-29, Hipparcos Input Catalog (HIC) 82257, Eggen/Greenstein white dwarf (EG) 368, Luyten Palomar (LP) 101-148
Arity: singular
Right Ascension and Declination: 16h48m25.681s, +59°3'22.83" (epoch 2000.0)
Distance from Sol: 35.8 light-years (11.0 parsecs)
Standard error in distance: 2.493%
Source for distance: Hipparcos
Celestial (X,Y,Z) coordinates in ly: -5.65, -17.5, 30.7
Galactic (X,Y,Z) coordinates in ly: 0.82, 28.0, 22.3
Proper motion: 0.317 arcsec/yr (154.0° from north)
Source for proper motion: Gliese

What do all these fields mean?


Spectral class: DAV4
Luminosity Class: wd
Apparent visual magnitude: +12.24
Absolute visual magnitude: +12.04
Visual luminosity: 0.0013 x Sol
Variable type: Hydrogen ZZ Ceti (pulsating variable)
Color indices: B-V= +0.18, U-B= -0.64
Diameter: 0.0124 x Sol
Source for diameter: Apparent Diameters and Absolute Radii of Stars (Fracassini+ 1988)
Comfort Zone (visual): 0.036 A.U.s
Angular size of star in sky in CZ: 0.181122 degrees

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