ZZ Piscis

light-years
Proper names: ZZ Piscis
Catalog numbers:
     Gliese (Gl) 895.2, Luyten Half-Second (LHS) 5405, Eggen/Greenstein white dwarf (EG) 159, Luyten Two-Tenth (LTT) 16907
Arity: singular
Right Ascension and Declination: 23h26m16s, +4°58'30" (epoch 1950.0)
Distance from Sol: 44.9 light-years (13.8 parsecs)
Standard error in distance: 6.1935%
Source for distance: Gliese
Celestial (X,Y,Z) coordinates in ly: 44.2, -6.55, 3.89
Galactic (X,Y,Z) coordinates in ly: 0.87, 27.6, -35.3
Proper motion: 0.492 arcsec/yr (238.1° from north)
Radial Velocity: 34 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: 32.7, 19.3, -27.2

What do all these fields mean?


Spectral class: DAV4
Luminosity Class: wd
Apparent visual magnitude: +13.04
Absolute visual magnitude: +12.35
Visual luminosity: 0.0010 x Sol
Color indices: B-V= +0.16, U-B= -0.64, R-I= +0.02
Diameter: 0.0094 x Sol
Source for diameter: Apparent Diameters and Absolute Radii of Stars (Fracassini+ 1988)
Comfort Zone (visual): 0.032 A.U.s
Angular size of star in sky in CZ: 0.158327 degrees

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