Luyten 654-28

light-years

Catalog numbers:
     Cordoba Durchmusterung (CD) -22°526, Giclas (G) 272-36, Luyten Half-Second (LHS) 142, Hipparcos Input Catalog (HIC) 7170, Luyten (L) 654-28, Luyten Two-Tenth (LTT) 838, Luyten FT (LFT) 138
Arity: singular
Right Ascension and Declination: 1h32m26.267s, -21°54'19.27" (epoch 2000.0)
Distance from Sol: 57.8 light-years (17.7 parsecs)
Standard error in distance: 3.6215%
Source for distance: Hipparcos
Celestial (X,Y,Z) coordinates in ly: 49.3, 21.1, -21.6
Galactic (X,Y,Z) coordinates in ly: -11.3, -1.23, -56.7
Proper motion: 1.062 arcsec/yr (210.7° from north)
Source for proper motion: Gliese

What do all these fields mean?


Spectral class: M1.5
Luminosity Class: V
Apparent visual magnitude: +11.16
Absolute visual magnitude: +9.92
Visual luminosity: 0.0094 x Sol
Color indices: B-V= +1.50, U-B= +1.20, R-I= +0.84
Comfort Zone (visual): 0.097 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.