Astronomy
Constellations - Ophiuchus - 23 Oph

 
Identification Data
Common Name
ConstellationOphiuchus
Star Name23 Oph
Skymap Number16540137
Henry Draper (HD) Number152601
Harvard Revised (HR) Number6280
SAO Number141431
Durchmusterung (DM) NumberSD-05 4374
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number200147
Right Ascension (RA) J200016h 54m 35.693s
Declination (Dec) J2000-6° 9' 14.336"
Position Uncertainty0.0091s
Proper Motion in RA (J2000)/cos(Dec)-0.00203
Proper Motion in Dec (J2000)-0.021966
Radial Velocity-017.2km s-1
Trigonometric Parallax+0.01314s
Trigonometric Parallax Uncertainty0.00077s
GCI Unit Vector in X (J2000)-0.279903
GCI Unit Vector in Y (J2000)-0.954024
GCI Unit Vector in Z (J2000)-0.107201
Galactic Longitude12.89°
Galactic Latitude
22.52°
Observational Data
Observed Visual Magnitude (V)5.23
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.003
Observed B Magnitude6.33
Observed B-V Colour+1.098
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 Magnitude5.4
Observed Photographic Magnitude6.4
Morgan Keenan (MK) Spectral TypeK2III
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 13:15:46 GMT+01:00 2001