Giclas 9-38

light-years

Catalog numbers:
     Gliese & Jahreiss (GJ) 1116, Giclas (G) 9-38
Arity: binary
Right Ascension and Declination: 8h55m27s, +19°57'24" (epoch 1950.0)
Distance from Sol: 17.0 light-years (5.23 parsecs)
Standard error in distance: 1.29%
Source for distance: Gliese
Celestial (X,Y,Z) coordinates in ly: -11.1, 11.6, 5.82
Galactic (X,Y,Z) coordinates in ly: -12.2, -6.34, 10.1
Proper motion: 0.874 arcsec/yr (267.7° from north)
Radial Velocity: -34 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: 10.3, 12.8, -36.8

What do all these fields mean?

Data for A and B's orbit around one other:
Combined absolute visual magnitude: +15.06
Combined visual luminosity: 0.000082 x Sol
Observed Separation: 23.5 A.U.s
As seen from A:
     B would appear as magnitude -8.39
As seen from B:
     A would appear as magnitude -9.25


Component A:
Catalog numbers:
     Luyten Half-Second (LHS) 2076
Spectral class: M5.5
Luminosity Class: V
Apparent visual magnitude: +14.06
Absolute visual magnitude: +15.47
Visual luminosity: 0.000057 x Sol
Color indices: B-V= +1.84
Mass: 0.061 x Sol
Comfort Zone (visual): 0.0075 A.U.s
Orbital period in CZ: 23.1424 hours
Tidal index in CZ: 143479


Component B:
Catalog numbers:
     Luyten Half-Second (LHS) 2077, Luyten Palomar (LP) 426-40
Right Ascension and Declination: 8h55m27s, +19°57'30" (epoch 1950.0)
Celestial (X,Y,Z) coordinates in ly: -11.1, 11.6, 5.82
Galactic (X,Y,Z) coordinates in ly: -12.2, -6.34, 10.1
Spectral class: M5.5
Luminosity Class: V
Apparent visual magnitude: +14.92
Absolute visual magnitude: +16.33
Visual luminosity: 0.000026 x Sol
Color indices: B-V= +1.93
Mass: 0.049 x Sol
Comfort Zone (visual): 0.0051 A.U.s
Orbital period in CZ: 14.2548 hours
Tidal index in CZ: 378163

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