Astronomy
Constellations - Gemini - 78bet Gem (Pollux)

 
Identification Data
Common NamePollux
ConstellationGemini
Star Name78bet Gem
Skymap Number7450077
Henry Draper (HD) Number62509
Harvard Revised (HR) Number2990
SAO Number79666
Durchmusterung (DM) NumberBD+28 1463
Washington Double Stars (WDS) Number
07453+2802
Positional Data
Position and Proper Motion (PPM) Number97924
Right Ascension (RA) J20007h 45m 18.950s
Declination (Dec) J2000+28° 1' 34.315"
Position Uncertainty0.0101s
Proper Motion in RA (J2000)/cos(Dec)-0.04725
Proper Motion in Dec (J2000)-0.046066
Radial Velocity+003.3km s-1
Trigonometric Parallax+0.09674s
Trigonometric Parallax Uncertainty0.00087s
GCI Unit Vector in X (J2000)-0.391513
GCI Unit Vector in Y (J2000)0.791160
GCI Unit Vector in Z (J2000)0.469875
Galactic Longitude192.24°
Galactic Latitude
23.41°
Observational Data
Observed Visual Magnitude (V)1.22
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.006
Observed B Magnitude2.19
Observed B-V Colour+0.969
Observed B Magnitude or (B-V) Magnitude Uncertainty0.005
Observed U Magnitude
Observed U-B Colour
Observed U Magnitude or (U-B) Magnitude Uncertainty
Observed Photovisual Magnitude1.2
Observed Photographic Magnitude
Morgan Keenan (MK) Spectral TypeK0IIIb
One-Dimensional Spectral ClassK0
Position Angle280
Year of Observation1900. AD

Data Source
SKY2000 - Master Star Catalog - Star Catalog Database, Version 2
    Sande C.B., Warren Jr. W.H., Tracewell D.A., Home A.T., Miller A.C.
    (Goddard Space Flight Center, Flight Dynamics Division (1998))

 
Page compiled: Sun Sep 02 13:15:41 GMT+01:00 2001