Nu(2) Lupi

light-years
Proper names: Nu(2) Lupi, Nu Lupi
Catalog numbers:
     Gliese (Gl) 582, Henry Draper (HD) 136352, Cordoba Durchmusterung (CD) -479919, Luyten Half-Second (LHS) 395, Hipparcos Input Catalog (HIC) 75181, Smithsonian Astrophysical Observatory (SAO) 225697, Hoffleit Bright Star (HR) 5699
Heavy element abundance: 34% of Sol
Standard error in heavy element abundance: 4%
Source for heavy element abundance: Strobel [Fe/H] Determinations
Arity: singular
Right Ascension and Declination: 15h21m48.152s, -48°19'3.93" (epoch 2000.0)
Distance from Sol: 47.5 light-years (14.6 parsecs)
Standard error in distance: 1.1369%
Source for distance: Hipparcos
Celestial (X,Y,Z) coordinates in ly: -20.1, -24.3, -35.5
Galactic (X,Y,Z) coordinates in ly: 39.7, -25.3, 5.71
Proper motion: 1.648 arcsec/yr (260.4° from north)
Radial Velocity: -69.4 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: -119, -47.6, 37.5

What do all these fields mean?


Spectral class: G2
Luminosity Class: V
Apparent visual magnitude: +5.65
Absolute visual magnitude: +4.84
Visual luminosity: 1.01 x Sol
Color indices: B-V= +0.65, U-B= +0.06, R-I= +0.22
Diameter: 1.05 x Sol
Source for diameter: Apparent Diameters and Absolute Radii of Stars (Fracassini+ 1988)
Comfort Zone (visual): 1.01 A.U.s
Angular size of star in sky in CZ: 0.555390 degrees

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