Astronomy
Constellations - Ophiuchus - 27kap Oph

 
Identification Data
Common Name
ConstellationOphiuchus
Star Name27kap Oph
Skymap Number16570115
Henry Draper (HD) Number153210
Harvard Revised (HR) Number6299
SAO Number121962
Durchmusterung (DM) NumberBD+09 3298
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number163313
Right Ascension (RA) J200016h 57m 40.097s
Declination (Dec) J2000+9° 22' 30.118"
Position Uncertainty0.0066s
Proper Motion in RA (J2000)/cos(Dec)-0.01980
Proper Motion in Dec (J2000)-0.009766
Radial Velocity-056.5km s-1
Trigonometric Parallax+0.03799s
Trigonometric Parallax Uncertainty0.00075s
GCI Unit Vector in X (J2000)-0.265045
GCI Unit Vector in Y (J2000)-0.950377
GCI Unit Vector in Z (J2000)0.162896
Galactic Longitude28.37°
Galactic Latitude
29.50°
Observational Data
Observed Visual Magnitude (V)3.19
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.002
Observed B Magnitude4.35
Observed B-V Colour+1.158
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 Magnitude3.4
Observed Photographic Magnitude
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