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Astronomy
Constellations - Hercules - 104 Her

 
Identification Data
Common Name
ConstellationHercules
Star Name104 Her
Skymap Number18110196
Henry Draper (HD) Number167006
Harvard Revised (HR) Number6815
SAO Number66737
Durchmusterung (DM) NumberBD+31 3199
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number81053
Right Ascension (RA) J200018h 11m 54.157s
Declination (Dec) J2000+31° 24' 19.259"
Position Uncertainty0.0058s
Proper Motion in RA (J2000)/cos(Dec)-0.00113
Proper Motion in Dec (J2000)+0.025266
Radial Velocity-000.3km s-1
Trigonometric Parallax+0.00542s
Trigonometric Parallax Uncertainty0.00054s
GCI Unit Vector in X (J2000)0.044307
GCI Unit Vector in Y (J2000)-0.852351
GCI Unit Vector in Z (J2000)0.521089
Galactic Longitude58.21°
Galactic Latitude
21.59°
Observational Data
Observed Visual Magnitude (V)4.98
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.004
Observed B Magnitude6.58
Observed B-V Colour+1.599
Observed B Magnitude or (B-V) Magnitude Uncertainty0.006
Observed U Magnitude
Observed U-B Colour
Observed U Magnitude or (U-B) Magnitude Uncertainty
Observed Photovisual Magnitude5.0
Observed Photographic Magnitude6.4
Morgan Keenan (MK) Spectral TypeM3III
One-Dimensional Spectral ClassM0
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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