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Astronomy
Constellations - Gemini - 75sig Gem

 
Identification Data
Common Name
ConstellationGemini
Star Name75sig Gem
Skymap Number7430070
Henry Draper (HD) Number62044
Harvard Revised (HR) Number2973
SAO Number79638
Durchmusterung (DM) NumberBD+29 1590
Washington Double Stars (WDS) Number
07433+2853
Positional Data
Position and Proper Motion (PPM) Number97883
Right Ascension (RA) J20007h 43m 18.726s
Declination (Dec) J2000+28° 53' 0.635"
Position Uncertainty0.0095s
Proper Motion in RA (J2000)/cos(Dec)+0.00471
Proper Motion in Dec (J2000)-0.231366
Radial Velocity+045.8km s-1
Trigonometric Parallax+0.02668s
Trigonometric Parallax Uncertainty0.00079s
GCI Unit Vector in X (J2000)-0.381475
GCI Unit Vector in Y (J2000)0.788136
GCI Unit Vector in Z (J2000)0.483030
Galactic Longitude191.19°
Galactic Latitude
23.27°
Observational Data
Observed Visual Magnitude (V)4.25
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.003
Observed B Magnitude5.37
Observed B-V Colour+1.116
Observed B Magnitude or (B-V) Magnitude Uncertainty0.004
Observed U Magnitude
Observed U-B Colour
Observed U Magnitude or (U-B) Magnitude Uncertainty
Observed Photovisual Magnitude4.3
Observed Photographic Magnitude5.3
Morgan Keenan (MK) Spectral TypeK1III
One-Dimensional Spectral ClassK0
Position Angle316
Year of Observation1909. 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))

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