Delta Aquilae

light-years
Proper names: Delta Aquilae, 30 Aquilae
Catalog numbers:
     Gliese (Gl) 760, Henry Draper (HD) 182640, Bonner Durchmusterung (BD) +2°3879, Hipparcos Input Catalog (HIC) 95501, Smithsonian Astrophysical Observatory (SAO) 124603, Fifth Fundamental Catalogue (FK5) 730, Hoffleit Bright Star (HR) 7377, New Suspected Variable (NSV) 12004
Arity: singular
Right Ascension and Declination: 19h25m29.904s, +3°6'53.17" (epoch 2000.0)
Distance from Sol: 50.1 light-years (15.4 parsecs)
Standard error in distance: 1.2299%
Source for distance: Hipparcos
Celestial (X,Y,Z) coordinates in ly: 18.2, -46.6, 2.72
Galactic (X,Y,Z) coordinates in ly: 38.1, 32.0, -5.79
Proper motion: 0.268 arcsec/yr (72.0° from north)
Radial Velocity: -29.9 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: -33.0, -9.33, -10.0

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: F0
Luminosity Class: IV
Apparent visual magnitude: +3.36
Absolute visual magnitude: +2.43
Visual luminosity: 9.32 x Sol
Color indices: B-V= +0.32, U-B= +0.04
Diameter: 2.00 x Sol
Source for diameter: Apparent Diameters and Absolute Radii of Stars (Fracassini+ 1988)
Comfort Zone (visual): 3.05 A.U.s
Angular size of star in sky in CZ: 0.349048 degrees

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