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Astronomy
Constellations - Hercules - 40zet Her

 
Identification Data
Common Name
ConstellationHercules
Star Name40zet Her
Skymap Number16410048
Henry Draper (HD) Number150680
Harvard Revised (HR) Number6212
SAO Number65485
Durchmusterung (DM) NumberBD+31 2884
Washington Double Stars (WDS) Number
16413+3136
Positional Data
Position and Proper Motion (PPM) Number79555
Right Ascension (RA) J200016h 41m 17.160s
Declination (Dec) J2000+31° 36' 9.812"
Position Uncertainty0.0078s
Proper Motion in RA (J2000)/cos(Dec)-0.03621
Proper Motion in Dec (J2000)+0.345167
Radial Velocity-069.9km s-1
Trigonometric Parallax+0.09264s
Trigonometric Parallax Uncertainty0.00060s
GCI Unit Vector in X (J2000)-0.286804
GCI Unit Vector in Y (J2000)-0.801960
GCI Unit Vector in Z (J2000)0.524026
Galactic Longitude52.66°
Galactic Latitude
40.28°
Observational Data
Observed Visual Magnitude (V)2.85
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.003
Observed B Magnitude3.50
Observed B-V Colour+0.651
Observed B Magnitude or (B-V) Magnitude Uncertainty0.003
Observed U Magnitude
Observed U-B Colour
Observed U Magnitude or (U-B) Magnitude Uncertainty
Observed Photovisual Magnitude3.0
Observed Photographic Magnitude3.6
Morgan Keenan (MK) Spectral TypeG0IV
One-Dimensional Spectral ClassG0
Position Angle
Year of Observation1993. 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 13:15:42 GMT+01:00 2001
 
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