Giclas 158-27


Catalog numbers:
     Gliese & Jahreiss (GJ) 1002, Giclas (G) 158-27, Luyten Half-Second (LHS) 2
Arity: singular
Right Ascension and Declination: 0h4m13s, -7°47'30" (epoch 1950.0)
Distance from Sol: 15.3 light-years (4.70 parsecs)
Standard error in distance: 1.5271%
Source for distance: Gliese
Celestial (X,Y,Z) coordinates in ly: 15.2, 0.28, -2.08
Galactic (X,Y,Z) coordinates in ly: -0.26, 5.81, -14.2
Proper motion: 2.041 arcsec/yr (203.6° from north)
Radial Velocity: -42 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: 37.0, -41.0, 27.9

What do all these fields mean?

Spectral class: M5.5n
Luminosity Class: V
Apparent visual magnitude: +13.75
Absolute visual magnitude: +15.39
Visual luminosity: 0.000061 x Sol
Color indices: B-V= +1.98
Mass: 0.06 x Sol
Diameter: 0.11 x Sol
Comfort Zone (visual): 0.0078 A.U.s
Orbital period in CZ: 1.0266 days
Tidal index in CZ: 126584
Angular size of star in sky in CZ: 7.521193 degrees

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