Giclas 203-47

light-years

Catalog numbers:
     Giclas (G) 203-47, Hipparcos Input Catalog (HIC) 83945, UNSO 752
Arity: singular
Right Ascension and Declination: 17h9m31.549s, +43°40'53.26" (epoch 2000.0)
Distance from Sol: 23.7 light-years (7.25 parsecs)
Standard error in distance: 6.097%
Source for distance: Hipparcos
Celestial (X,Y,Z) coordinates in ly: -3.74, -16.7, 16.3
Galactic (X,Y,Z) coordinates in ly: 6.92, 17.8, 13.9
Proper motion: 0.428 arcsec/yr (129.0° from north)
Source for proper motion: Gliese

What do all these fields mean?


Spectral class: M3.5
Luminosity Class: V
Apparent visual magnitude: +11.77
Absolute visual magnitude: +12.47
Visual luminosity: 0.00090 x Sol
Color indices: B-V= +1.70, U-B= +0.89, R-I= +1.25
Comfort Zone (visual): 0.030 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.