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Astronomy
Constellations - Hercules - 108 Her

 
Identification Data
Common Name
ConstellationHercules
Star Name108 Her
Skymap Number18200216
Henry Draper (HD) Number168913
Harvard Revised (HR) Number6876
SAO Number85956
Durchmusterung (DM) NumberBD+29 3241
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number107113
Right Ascension (RA) J200018h 20m 56.969s
Declination (Dec) J2000+29° 51' 32.131"
Position Uncertainty0.0066s
Proper Motion in RA (J2000)/cos(Dec)+0.00005
Proper Motion in Dec (J2000)+0.054166
Radial Velocity-020.2km s-1
Trigonometric Parallax+0.01736s
Trigonometric Parallax Uncertainty0.00060s
GCI Unit Vector in X (J2000)0.079165
GCI Unit Vector in Y (J2000)-0.863633
GCI Unit Vector in Z (J2000)0.497866
Galactic Longitude57.37°
Galactic Latitude
19.23°
Observational Data
Observed Visual Magnitude (V)5.61
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.003
Observed B Magnitude5.85
Observed B-V Colour+0.243
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 Magnitude5.5
Observed Photographic Magnitude5.6
Morgan Keenan (MK) Spectral TypeA5m
One-Dimensional Spectral ClassA2
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 13:15:42 GMT+01:00 2001
 
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