AY Indi

light-years
Proper names: AY Indi
Catalog numbers:
     Gliese & Jahreiss (GJ) 1264, Cordoba Durchmusterung (CD) -72°1700, Hipparcos Input Catalog (HIC) 107705, UGPMF 538, Cape Photographic Durchmusterung (CPD) -72°2640, Luyten Two-Tenth (LTT) 8698
Arity: singular
Right Ascension and Declination: 21h49m5.952s, -72°6'9.47" (epoch 2000.0)
Distance from Sol: 52.6 light-years (16.1 parsecs)
Standard error in distance: 3.7715%
Source for distance: Hipparcos
Celestial (X,Y,Z) coordinates in ly: 13.6, -8.74, -50.1
Galactic (X,Y,Z) coordinates in ly: 30.9, -26.6, -33.2
Proper motion: 0.464 arcsec/yr (132.0° from north)
Source for proper motion: Gliese

What do all these fields mean?


Spectral class: M2e
Luminosity Class: V
Apparent visual magnitude: +9.80 (increasing to +8.50)
Absolute visual magnitude: +8.76 (increasing to +7.46)
Visual luminosity: 0.027 x Sol (increasing to 0.090 x Sol)
Variable type: UV Ceti flare star (eruptive variable)
Color indices: B-V= +1.46, U-B= +1.16, R-I= +0.86
Comfort Zone (visual): 0.17 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.