Astronomy
Constellations - Ophiuchus - 4psi Oph

 
Identification Data
Common Name
ConstellationOphiuchus
Star Name4psi Oph
Skymap Number16240015
Henry Draper (HD) Number147700
Harvard Revised (HR) Number6104
SAO Number159892
Durchmusterung (DM) NumberSD-19 4365
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number265490
Right Ascension (RA) J200016h 24m 6.184s
Declination (Dec) J2000-20° 2' 14.377"
Position Uncertainty0.0126s
Proper Motion in RA (J2000)/cos(Dec)-0.00152
Proper Motion in Dec (J2000)-0.047566
Radial Velocity+000.2km s-1
Trigonometric Parallax+0.01832s
Trigonometric Parallax Uncertainty0.00089s
GCI Unit Vector in X (J2000)-0.381731
GCI Unit Vector in Y (J2000)-0.858420
GCI Unit Vector in Z (J2000)-0.342632
Galactic Longitude356.18°
Galactic Latitude
20.18°
Observational Data
Observed Visual Magnitude (V)4.49
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.003
Observed B Magnitude5.51
Observed B-V Colour+1.018
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 Magnitude4.2
Observed Photographic Magnitude5.6
Morgan Keenan (MK) Spectral TypeK0-II-III
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 13:15:45 GMT+01:00 2001