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Astronomy
Constellations - Ophiuchus - 44 Oph

 
Identification Data
Common Name
ConstellationOphiuchus
Star Name44 Oph
Skymap Number17260074
Henry Draper (HD) Number157792
Harvard Revised (HR) Number6486
SAO Number185401
Durchmusterung (DM) NumberCD-2413337
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number266866
Right Ascension (RA) J200017h 26m 22.216s
Declination (Dec) J2000-24° 10' 31.114"
Position Uncertainty0.0098s
Proper Motion in RA (J2000)/cos(Dec)-0.00014
Proper Motion in Dec (J2000)-0.117766
Radial Velocity-037.2km s-1
Trigonometric Parallax+0.03896s
Trigonometric Parallax Uncertainty0.00087s
GCI Unit Vector in X (J2000)-0.133388
GCI Unit Vector in Y (J2000)-0.902493
GCI Unit Vector in Z (J2000)-0.409530
Galactic Longitude1.71°
Galactic Latitude
6.19°
Observational Data
Observed Visual Magnitude (V)4.16
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.003
Observed B Magnitude4.46
Observed B-V Colour+0.295
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 Magnitude4.3
Observed Photographic Magnitude4.6
Morgan Keenan (MK) Spectral TypeA3m
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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