Iota Persei

light-years
Proper names: Iota Persei
Catalog numbers:
     Gliese (Gl) 124, Henry Draper (HD) 19373, Bonner Durchmusterung (BD) +49°857 , Luyten Half-Second (LHS) 166 , Hipparcos Input Catalog (HIC) 14632, Smithsonian Astrophysical Observatory (SAO) 38597, Fifth Fundamental Catalogue (FK5) 112, Hoffleit Bright Star (HR) 937
Age: 8100 million years
Source for age: Don C. Barry, "Chromospheric Age Dependence of…", APJ 334
Heavy element abundance: 108% of Sol
Source for heavy element abundance: Wikipedia
Arity: singular
Points of interest:
     The Wikipedia article on this star lists its diameter as 1.08 x Sol, smaller than listed in the Fracassini catalog.

Right Ascension and Declination: 3h9m4.016s, +49°36'47.89" (epoch 2000.0)
Distance from Sol: 34.36 light-years (10.53 parsecs)
Standard error in distance: 0.7008%
Source for distance: Hipparcos
Celestial (X,Y,Z) coordinates in ly: 15.11, 16.35, 26.17
Galactic (X,Y,Z) coordinates in ly: -27.94, 19.56, -4.144
Proper motion: 1.267 arcsec/yr (93.6° from north)
Radial Velocity: 49.5 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: -75.36, -15.87, 22.81

What do all these fields mean?


Spectral class: G0
Luminosity Class: V
Apparent visual magnitude: +4.05
Absolute visual magnitude: +3.94
Visual luminosity: 2.321 x Sol
Color indices: B-V= +0.60, U-B= +0.12
Mass: 1.29 x Sol
Diameter: 1.472 x Sol
Source for diameter: Apparent Diameters and Absolute Radii of Stars (Fracassini+ 1988)
Comfort Zone (visual): 1.523 A.U.s
Orbital period in CZ: 1.65544 years
Tidal index in CZ: 0.3649
Angular size of star in sky in CZ: 0.515060 degrees

light-years
but not more than light-years away
Data for this star system were most recently updated on 17-April-2008.