Astronomy
Constellations - Hercules - 9 Her

 
Identification Data
Common Name
ConstellationHercules
Star Name9 Her
Skymap Number16130047
Henry Draper (HD) Number145892
Harvard Revised (HR) Number6047
SAO Number121431
Durchmusterung (DM) NumberBD+05 3165
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number162351
Right Ascension (RA) J200016h 13m 15.429s
Declination (Dec) J2000+5° 1' 15.911"
Position Uncertainty0.0104s
Proper Motion in RA (J2000)/cos(Dec)+0.00243
Proper Motion in Dec (J2000)-0.005166
Radial Velocity-001.9km s-1
Trigonometric Parallax+0.00768s
Trigonometric Parallax Uncertainty0.00082s
GCI Unit Vector in X (J2000)-0.447373
GCI Unit Vector in Y (J2000)-0.890055
GCI Unit Vector in Z (J2000)0.087522
Galactic Longitude17.55°
Galactic Latitude
37.18°
Observational Data
Observed Visual Magnitude (V)5.46
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.004
Observed B Magnitude6.93
Observed B-V Colour+1.470
Observed B Magnitude or (B-V) Magnitude Uncertainty0.006
Observed U Magnitude
Observed U-B Colour
Observed U Magnitude or (U-B) Magnitude Uncertainty
Observed Photovisual Magnitude5.6
Observed Photographic Magnitude6.8
Morgan Keenan (MK) Spectral TypegK5
One-Dimensional Spectral ClassK0
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 13:15:41 GMT+01:00 2001