Beta Hydri

light-years
Proper names: Beta Hydri
Catalog numbers:
     Gliese (Gl) 19, Henry Draper (HD) 2151, Cape Photographic Durchmusterung (CPD) -77°16, Luyten Half-Second (LHS) 6, Hipparcos Input Catalog (HIC) 2021, Smithsonian Astrophysical Observatory (SAO) 255670, Fifth Fundamental Catalogue (FK5) 11, Hoffleit Bright Star (HR) 98, New Suspected Variable (NSV) 161
Heavy element abundance: 67% of Sol
Standard error in heavy element abundance: 8%
Source for heavy element abundance: Strobel [Fe/H] Determinations
Arity: singular
Right Ascension and Declination: 0h25m45.056s, -77°15'15.4" (epoch 2000.0)
Distance from Sol: 24.38 light-years (7.475 parsecs)
Standard error in distance: 0.3798%
Source for distance: Hipparcos
Celestial (X,Y,Z) coordinates in ly: 5.345, 0.603, -23.78
Galactic (X,Y,Z) coordinates in ly: 10.61, -15.34, -15.69
Proper motion: 2.25 arcsec/yr (81.6° from north)
Radial Velocity: 22.9 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: -60.95, -47.17, -30.69

What do all these fields mean?


Spectral class: G2
Luminosity Class: IV
Apparent visual magnitude: +2.82
Absolute visual magnitude: +3.45
Visual luminosity: 3.624 x Sol
Color indices: B-V= +0.62
Diameter: 1.66 x Sol
Comfort Zone (visual): 1.904 A.U.s
Angular size of star in sky in CZ: 0.464839 degrees

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