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Astronomy
Constellations - Gemini - 74 Gem

 
Identification Data
Common Name
ConstellationGemini
Star Name74 Gem
Skymap Number7390114
Henry Draper (HD) Number61338
Harvard Revised (HR) Number2938
SAO Number97120
Durchmusterung (DM) NumberBD+18 1701
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number124288
Right Ascension (RA) J20007h 39m 28.592s
Declination (Dec) J2000+17° 40' 28.268"
Position Uncertainty0.0078s
Proper Motion in RA (J2000)/cos(Dec)+0.00016
Proper Motion in Dec (J2000)+0.001366
Radial Velocity+026.4km s-1
Trigonometric Parallax+0.00613s
Trigonometric Parallax Uncertainty0.00076s
GCI Unit Vector in X (J2000)-0.400696
GCI Unit Vector in Y (J2000)0.864444
GCI Unit Vector in Z (J2000)0.303609
Galactic Longitude202.02°
Galactic Latitude
18.35°
Observational Data
Observed Visual Magnitude (V)5.04
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.004
Observed B Magnitude6.63
Observed B-V Colour+1.587
Observed B Magnitude or (B-V) Magnitude Uncertainty0.007
Observed U Magnitude
Observed U-B Colour
Observed U Magnitude or (U-B) Magnitude Uncertainty
Observed Photovisual Magnitude5.2
Observed Photographic Magnitude6.8
Morgan Keenan (MK) Spectral TypeK5III
One-Dimensional Spectral ClassK5
Position Angle
Year of Observation 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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