Gliese 414

light-years

Catalog numbers:
     Gliese (Gl) 414, Henry Draper (HD) 97101, Hipparcos Input Catalog (HIC) 54646, Aitken Double Star (ADS) 8083, Vyssotsky McCormick (McC) 600
Arity: binary
Right Ascension and Declination: 11h11m5.03s, +30°26'44.9" (epoch 2000.0)
Distance from Sol: 38.9 light-years (11.9 parsecs)
Standard error in distance: 1.26%
Source for distance: Hipparcos
Celestial (X,Y,Z) coordinates in ly: -32.8, 7.10, 19.7
Galactic (X,Y,Z) coordinates in ly: -13.5, -4.67, 36.2
Proper motion: 0.614 arcsec/yr (109.8° from north)
Radial Velocity: -15.4 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: 37.9, 1.83, -2.15

What do all these fields mean?

Data for A and B's orbit around one other:
Combined absolute visual magnitude: +7.71
Combined visual luminosity: 0.072 x Sol
Observed Separation: 18581 A.U.s
As seen from A:
     B would appear as magnitude -0.63
As seen from B:
     A would appear as magnitude -2.31


Component A:
Catalog numbers:
     Bonner Durchmusterung (BD) +31°2240, Giclas (G) 119-60, Luyten Half-Second (LHS) 2367, Smithsonian Astrophysical Observatory (SAO) 62440
Spectral class: K8
Luminosity Class: V
Apparent visual magnitude: +8.30
Absolute visual magnitude: +7.92
Visual luminosity: 0.059 x Sol
Color indices: B-V= +1.34, U-B= +1.29, R-I= +0.59
Diameter: 0.7 x Sol
Source for diameter: Apparent Diameters and Absolute Radii of Stars (Fracassini+ 1988)
Comfort Zone (visual): 0.24 A.U.s
Angular size of star in sky in CZ: 1.534081 degrees


Component B:
Catalog numbers:
     Bonner Durchmusterung (BD) +31°2238, Giclas (G) 119-59, Luyten Half-Second (LHS) 2366, Hipparcos Input Catalog (HIC) 54619, Smithsonian Astrophysical Observatory (SAO) 62436
Right Ascension and Declination: 11h10m41.911s, +31°9'32.49" (epoch 2000.0)
Celestial (X,Y,Z) coordinates in ly: -32.5, 7.11, 20.1
Galactic (X,Y,Z) coordinates in ly: -13.7, -4.24, 36.1
Proper motion: 0.618 arcsec/yr (110.2° from north)
Radial Velocity: -15 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: 38.0, 1.32, -1.54
Spectral class: M2
Luminosity Class: V
Apparent visual magnitude: +9.98
Absolute visual magnitude: +9.60
Visual luminosity: 0.013 x Sol
Color indices: B-V= +1.52, U-B= +1.15, R-I= +0.92
Diameter: 0.56 x Sol
Source for diameter: Apparent Diameters and Absolute Radii of Stars (Fracassini+ 1988)
Comfort Zone (visual): 0.11 A.U.s
Angular size of star in sky in CZ: 2.657999 degrees

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