Astronomy
Constellations - Ophiuchus - 45 Oph

 
Identification Data
Common Name
ConstellationOphiuchus
Star Name45 Oph
Skymap Number17270075
Henry Draper (HD) Number157919
Harvard Revised (HR) Number6492
SAO Number185412
Durchmusterung (DM) NumberCD-2913557
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number266888
Right Ascension (RA) J200017h 27m 21.273s
Declination (Dec) J2000-29° 52' 1.320"
Position Uncertainty0.0081s
Proper Motion in RA (J2000)/cos(Dec)+0.00111
Proper Motion in Dec (J2000)-0.137466
Radial Velocity+037.3km s-1
Trigonometric Parallax+0.02926s
Trigonometric Parallax Uncertainty0.00086s
GCI Unit Vector in X (J2000)-0.123107
GCI Unit Vector in Y (J2000)-0.858401
GCI Unit Vector in Z (J2000)-0.497989
Galactic Longitude357.08°
Galactic Latitude
2.85°
Observational Data
Observed Visual Magnitude (V)4.28
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.003
Observed B Magnitude4.69
Observed B-V Colour+0.412
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 Magnitude4.4
Observed Photographic Magnitude4.8
Morgan Keenan (MK) Spectral TypeF5IVDeltaSct*
One-Dimensional Spectral ClassF5
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