Wolf 561

light-years

Catalog numbers:
     Gliese & Jahreiss (GJ) 1190, Bonner Durchmusterung (BD) -3°3746, Luyten Half-Second (LHS) 3039, Hipparcos Input Catalog (HIC) 74555, Smithsonian Astrophysical Observatory (SAO) 140396, Vyssotsky McCormick (McC) 736, Wolf 561, UGPMF 370
Arity: singular
Right Ascension and Declination: 15h13m59.696s, -3°47'52.57" (epoch 2000.0)
Distance from Sol: 90.3 light-years (27.7 parsecs)
Standard error in distance: 4.6966%
Source for distance: Hipparcos
Celestial (X,Y,Z) coordinates in ly: -59.7, -67.5, -5.98
Galactic (X,Y,Z) coordinates in ly: 65.8, -3.48, 61.8
Proper motion: 0.767 arcsec/yr (282.7° from north)
Radial Velocity: -110.3 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: -142, -44.8, -12.7

What do all these fields mean?


Spectral class: K5
Luminosity Class: V
Apparent visual magnitude: +9.84
Absolute visual magnitude: +7.63
Visual luminosity: 0.077 x Sol
Color indices: B-V= +1.13, U-B= +1.01, R-I= +0.47
Comfort Zone (visual): 0.28 A.U.s

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