Astronomy
Constellations - Hercules - 47 Her

 
Identification Data
Common Name
ConstellationHercules
Star Name47 Her
Skymap Number16500049
Henry Draper (HD) Number151956
Harvard Revised (HR) Number6250
SAO Number121895
Durchmusterung (DM) NumberBD+07 3256
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number163177
Right Ascension (RA) J200016h 50m 19.381s
Declination (Dec) J2000+7° 14' 51.660"
Position Uncertainty0.0084s
Proper Motion in RA (J2000)/cos(Dec)+0.00348
Proper Motion in Dec (J2000)-0.009066
Radial Velocity-003.6km s-1
Trigonometric Parallax+0.01730s
Trigonometric Parallax Uncertainty0.00077s
GCI Unit Vector in X (J2000)-0.296969
GCI Unit Vector in Y (J2000)-0.946516
GCI Unit Vector in Z (J2000)0.126159
Galactic Longitude25.24°
Galactic Latitude
30.18°
Observational Data
Observed Visual Magnitude (V)5.48
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.003
Observed B Magnitude5.59
Observed B-V Colour+0.107
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 Magnitude5.5
Observed Photographic Magnitude5.6
Morgan Keenan (MK) Spectral TypeA3m
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))

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