Astronomy
Constellations - Hercules - 100 Her

 
Identification Data
Common Name
ConstellationHercules
Star Name100 Her
Skymap Number18070255
Henry Draper (HD) Number166045
Harvard Revised (HR) Number6781
SAO Number85753
Durchmusterung (DM) NumberBD+26 3178
Washington Double Stars (WDS) Number
18078+2606
Positional Data
Position and Proper Motion (PPM) Number106809
Right Ascension (RA) J200018h 7m 49.561s
Declination (Dec) J2000+26° 6' 4.609"
Position Uncertainty0.0329s
Proper Motion in RA (J2000)/cos(Dec)-0.00014
Proper Motion in Dec (J2000)+0.024467
Radial Velocity-017.0km s-1
Trigonometric Parallax+0.01427s
Trigonometric Parallax Uncertainty0.00266s
GCI Unit Vector in X (J2000)0.030659
GCI Unit Vector in Y (J2000)-0.897494
GCI Unit Vector in Z (J2000)0.439959
Galactic Longitude52.54°
Galactic Latitude
20.60°
Observational Data
Observed Visual Magnitude (V)5.86
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.003
Observed B Magnitude6.02
Observed B-V Colour+0.155
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 Magnitude5.9
Observed Photographic Magnitude6.1
Morgan Keenan (MK) Spectral TypeA3V
One-Dimensional Spectral ClassA3
Position Angle182
Year of Observation1982. 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))

 
Page compiled: Sun Sep 02 13:15:42 GMT+01:00 2001