LQ Hydrae

light-years
Proper names: LQ Hydrae
Catalog numbers:
     Gliese (Gl) 355, Henry Draper (HD) 82558, Bonner Durchmusterung (BD) -10°2857, Giclas (G) 161-45, Hipparcos Input Catalog (HIC) 46816, Smithsonian Astrophysical Observatory (SAO) 155272, Southern Reference System (SRS) 9098
Arity: singular
Points of interest:
     This star is some kind of rotating variable.

Right Ascension and Declination: 9h32m25.547s, -11°11'5.14" (epoch 2000.0)
Distance from Sol: 59.8 light-years (18.3 parsecs)
Standard error in distance: 1.7835%
Source for distance: Hipparcos
Celestial (X,Y,Z) coordinates in ly: -46.9, 35.2, -11.6
Galactic (X,Y,Z) coordinates in ly: -22.0, -47.6, 28.7
Proper motion: 0.253 arcsec/yr (274.1° from north)
Radial Velocity: 10.9 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: -21.1, -9.15, -8.61

What do all these fields mean?


Spectral class: K0
Luminosity Class: V
Apparent visual magnitude: +7.82
Absolute visual magnitude: +6.50
Visual luminosity: 0.22 x Sol
Period of variability: 1.6 days
Color indices: B-V= +0.92, U-B= +0.54, R-I= +0.51
Diameter: 0.74 x Sol
Source for diameter: Apparent Diameters and Absolute Radii of Stars (Fracassini+ 1988)
Comfort Zone (visual): 0.47 A.U.s
Angular size of star in sky in CZ: 0.844543 degrees

light-years
but not more than light-years away
Data for this star system were most recently updated on 23-March-2002.