Delta Trianguli

light-years
Proper names: Delta Trianguli, 8 Trianguli
Catalog numbers:
     Gliese (Gl) 92, Henry Draper (HD) 13974, Bonner Durchmusterung (BD) +33°395 , Luyten Half-Second (LHS) 154 , Hipparcos Input Catalog (HIC) 10644, Smithsonian Astrophysical Observatory (SAO) 55420, Hoffleit Bright Star (HR) 660
Heavy element abundance: 48% of Sol
Standard error in heavy element abundance: 13%
Source for heavy element abundance: Strobel [Fe/H] Determinations
Arity: singular
Right Ascension and Declination: 2h17m3.23s, +34°13'27.6" (epoch 2000.0)
Distance from Sol: 35.38 light-years (10.85 parsecs)
Standard error in distance: 0.9028%
Source for distance: Hipparcos
Celestial (X,Y,Z) coordinates in ly: 24.17, 16.47, 19.90
Galactic (X,Y,Z) coordinates in ly: -25.62, 19.31, -14.92
Proper motion: 1.179 arcsec/yr (101.2° from north)
Radial Velocity: -6.6 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: -34.77, -48.46, 12.64

What do all these fields mean?


NOTE: This star is actually a close-orbiting binary pair. The data below are for both sub-components of the pair combined.
Spectral class: G0e
Luminosity Class: V
Apparent visual magnitude: +4.86
Absolute visual magnitude: +4.69
Visual luminosity: 1.161 x Sol
Color indices: B-V= +0.61
Diameter: 0.98 x Sol
Source for diameter: Apparent Diameters and Absolute Radii of Stars (Fracassini+ 1988)
Comfort Zone (visual): 1.078 A.U.s
Angular size of star in sky in CZ: 0.484812 degrees

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