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Astronomy
Constellations - Ophiuchus - 9ome Oph

 
Identification Data
Common Name
ConstellationOphiuchus
Star Name9ome Oph
Skymap Number16320023
Henry Draper (HD) Number148898
Harvard Revised (HR) Number6153
SAO Number184450
Durchmusterung (DM) NumberSD-21 4381
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number265642
Right Ascension (RA) J200016h 32m 8.199s
Declination (Dec) J2000-21° 27' 59.003"
Position Uncertainty0.0087s
Proper Motion in RA (J2000)/cos(Dec)+0.00145
Proper Motion in Dec (J2000)+0.036266
Radial Velocity+002.5km s-1
Trigonometric Parallax+0.01866s
Trigonometric Parallax Uncertainty0.00071s
GCI Unit Vector in X (J2000)-0.348106
GCI Unit Vector in Y (J2000)-0.863075
GCI Unit Vector in Z (J2000)-0.365955
Galactic Longitude356.30°
Galactic Latitude
17.83°
Observational Data
Observed Visual Magnitude (V)4.44
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.003
Observed B Magnitude4.58
Observed B-V Colour+0.139
Observed B Magnitude or (B-V) Magnitude Uncertainty0.003
Observed U Magnitude
Observed U-B Colour
Observed U Magnitude or (U-B) Magnitude Uncertainty
Observed Photovisual Magnitude4.4
Observed Photographic Magnitude4.9
Morgan Keenan (MK) Spectral TypeA7p
One-Dimensional Spectral ClassF0
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 13:15:46 GMT+01:00 2001
 
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