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Astronomy
Constellations - Gemini - 40 Gem

 
Identification Data
Common Name
ConstellationGemini
Star Name40 Gem
Skymap Number6590138
Henry Draper (HD) Number51688
Harvard Revised (HR) Number2605
SAO Number78947
Durchmusterung (DM) NumberBD+26 1411
Washington Double Stars (WDS) Number
06595+2555
Positional Data
Position and Proper Motion (PPM) Number96855
Right Ascension (RA) J20006h 59m 27.932s
Declination (Dec) J2000+25° 54' 51.015"
Position Uncertainty0.0107s
Proper Motion in RA (J2000)/cos(Dec)-0.00034
Proper Motion in Dec (J2000)-0.006666
Radial Velocity+012.0km s-1
Trigonometric Parallax+0.00272s
Trigonometric Parallax Uncertainty0.00088s
GCI Unit Vector in X (J2000)-0.230768
GCI Unit Vector in Y (J2000)0.869342
GCI Unit Vector in Z (J2000)0.437024
Galactic Longitude190.31°
Galactic Latitude
13.14°
Observational Data
Observed Visual Magnitude (V)6.40
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.005
Observed B Magnitude6.29
Observed B-V Colour-0.109
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 Magnitude6.3
Observed Photographic Magnitude6.3
Morgan Keenan (MK) Spectral TypeB8III
One-Dimensional Spectral ClassB9
Position Angle57
Year of Observation1988. 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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