Astronomy
Constellations - Hercules - 56 Her

 
Identification Data
Common Name
ConstellationHercules
Star Name56 Her
Skymap Number16550011
Henry Draper (HD) Number152863
Harvard Revised (HR) Number6292
SAO Number84692
Durchmusterung (DM) NumberBD+25 3156
Washington Double Stars (WDS) Number
16550+2544
Positional Data
Position and Proper Motion (PPM) Number105339
Right Ascension (RA) J200016h 55m 2.162s
Declination (Dec) J2000+25° 43' 50.452"
Position Uncertainty0.0066s
Proper Motion in RA (J2000)/cos(Dec)+0.00149
Proper Motion in Dec (J2000)-0.019466
Radial Velocity+001.1km s-1
Trigonometric Parallax+0.00714s
Trigonometric Parallax Uncertainty0.00067s
GCI Unit Vector in X (J2000)-0.251946
GCI Unit Vector in Y (J2000)-0.864895
GCI Unit Vector in Z (J2000)0.434142
Galactic Longitude46.27°
Galactic Latitude
36.01°
Observational Data
Observed Visual Magnitude (V)6.07
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.003
Observed B Magnitude6.99
Observed B-V Colour+0.921
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 Magnitude6.3
Observed Photographic Magnitude7.3
Morgan Keenan (MK) Spectral TypeG5III
One-Dimensional Spectral ClassK0
Position Angle93
Year of Observation1967. 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