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Astronomy
Constellations - Hercules - 49 Her

 
Identification Data
Common Name
ConstellationHercules
Star Name49 Her
Skymap Number16520013
Henry Draper (HD) Number152308
Harvard Revised (HR) Number6268
SAO Number102435
Durchmusterung (DM) NumberBD+15 3066
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number132755
Right Ascension (RA) J200016h 52m 4.850s
Declination (Dec) J2000+14° 58' 27.174"
Position Uncertainty0.0081s
Proper Motion in RA (J2000)/cos(Dec)+0.00116
Proper Motion in Dec (J2000)+0.005666
Radial Velocity-022.8km s-1
Trigonometric Parallax+0.00721s
Trigonometric Parallax Uncertainty0.00079s
GCI Unit Vector in X (J2000)-0.282117
GCI Unit Vector in Y (J2000)-0.923930
GCI Unit Vector in Z (J2000)0.258384
Galactic Longitude33.67°
Galactic Latitude
33.07°
Observational Data
Observed Visual Magnitude (V)6.50
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.004
Observed B Magnitude6.49
Observed B-V Colour-0.014
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 Magnitude6.4
Observed Photographic Magnitude
Morgan Keenan (MK) Spectral TypeB9.5pCr:
One-Dimensional Spectral ClassA0
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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