Iota Centauri

light-years
Proper names: Iota Centauri
Catalog numbers:
     Gliese (Gl) 508.1, Henry Draper (HD) 115892, Cordoba Durchmusterung (CD) -36°8497, Hipparcos Input Catalog (HIC) 65109, Smithsonian Astrophysical Observatory (SAO) 204371, Fifth Fundamental Catalogue (FK5) 496, Hoffleit Bright Star (HR) 5028, Woolley (Wo) 9411
Arity: singular
Right Ascension and Declination: 13h20m35.822s, -36°42'44.32" (epoch 2000.0)
Distance from Sol: 58.6 light-years (18.0 parsecs)
Standard error in distance: 1.3125%
Source for distance: Hipparcos
Celestial (X,Y,Z) coordinates in ly: -44.1, -16.2, -35.0
Galactic (X,Y,Z) coordinates in ly: 34.0, -40.5, 25.2
Proper motion: 0.353 arcsec/yr (255.4° from north)
Radial Velocity: 0.1 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: -21.8, -20.4, -3.19

What do all these fields mean?


Spectral class: A2
Luminosity Class: V
Apparent visual magnitude: +2.75
Absolute visual magnitude: +1.48
Visual luminosity: 22.4 x Sol
Color indices: B-V= +0.04, U-B= +0.03, R-I= +0.00
Diameter: 1.93 x Sol
Source for diameter: Apparent Diameters and Absolute Radii of Stars (Fracassini+ 1988)
Comfort Zone (visual): 4.73 A.U.s
Angular size of star in sky in CZ: 0.217816 degrees

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