Rho Geminorum
Proper names: Rho Geminorum, 62 Geminorum
Catalog numbers:
Gliese (Gl) 274, Henry Draper (HD) 58946, Bonner Durchmusterung (BD) +32°1562, Hipparcos Input Catalog (HIC) 36366, Smithsonian Astrophysical Observatory (SAO) 60118, Aitken Double Star (ADS) 6109, Fifth Fundamental Catalogue (FK5) 286, Hoffleit Bright Star (HR) 2852
Arity: The A star is a possible spectroscopic binary
Right Ascension and Declination: 7h29m6.7s, +31°47'3.87" (epoch 2000.0)
Distance from Sol: 60.3 light-years (18.5 parsecs)
Standard error in distance: 1.727%
Source for distance: Hipparcos
Celestial (X,Y,Z) coordinates in ly: -19.4, 47.5, 31.8
Galactic (X,Y,Z) coordinates in ly: -55.5, -7.29, 22.6
Proper motion: 0.232 arcsec/yr (41.6° from north)
Radial Velocity: 3.1 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: 2.47, 10.2, 17.7
What do all these fields mean?
Component A:
Spectral class: F0
Luminosity Class: V
Apparent visual magnitude: +4.18
Absolute visual magnitude: +2.84
Visual luminosity: 6.34 x Sol
Color indices: B-V= +0.32, U-B= -0.03
Diameter: 1.22 x Sol
Source for diameter: Apparent Diameters and Absolute Radii of Stars (Fracassini+ 1988)
Comfort Zone (visual): 2.52 A.U.s
Angular size of star in sky in CZ: 0.258808 degrees
Component B:
Spectral class: M
Luminosity Class: V
Apparent visual magnitude: +12.50
Absolute visual magnitude: +11.16
Visual luminosity: 0.0030 x Sol
Diameter: 0.38 x Sol
Source for diameter: Apparent Diameters and Absolute Radii of Stars (Fracassini+ 1988)
Comfort Zone (visual): 0.055 A.U.s
Angular size of star in sky in CZ: 3.711410 degrees
Data for this star system were most recently updated on 4-April-2001.