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Astronomy
Constellations - Hercules - 112 Her

 
Identification Data
Common Name
ConstellationHercules
Star Name112 Her
Skymap Number18520089
Henry Draper (HD) Number174933
Harvard Revised (HR) Number7113
SAO Number86521
Durchmusterung (DM) NumberBD+21 3582
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number107981
Right Ascension (RA) J200018h 52m 16.428s
Declination (Dec) J2000+21° 25' 30.511"
Position Uncertainty0.0064s
Proper Motion in RA (J2000)/cos(Dec)-0.00052
Proper Motion in Dec (J2000)-0.010166
Radial Velocity-019.8km s-1
Trigonometric Parallax+0.00710s
Trigonometric Parallax Uncertainty0.00068s
GCI Unit Vector in X (J2000)0.210489
GCI Unit Vector in Y (J2000)-0.906786
GCI Unit Vector in Z (J2000)0.365285
Galactic Longitude52.27°
Galactic Latitude
9.41°
Observational Data
Observed Visual Magnitude (V)5.41
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.002
Observed B Magnitude5.33
Observed B-V Colour-0.085
Observed B Magnitude or (B-V) Magnitude Uncertainty0.002
Observed U Magnitude
Observed U-B Colour
Observed U Magnitude or (U-B) Magnitude Uncertainty
Observed Photovisual Magnitude5.3
Observed Photographic Magnitude5.3
Morgan Keenan (MK) Spectral TypeB9II-IIIpHg
One-Dimensional Spectral ClassB9
Position Angle138
Year of Observation1987. 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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