Astronomy
Constellations - Ophiuchus - 70 Oph

 
Identification Data
Common Name
ConstellationOphiuchus
Star Name70 Oph
Skymap Number18050085
Henry Draper (HD) Number165341
Harvard Revised (HR) Number6752
SAO Number123107
Durchmusterung (DM) NumberBD+02 3482
Washington Double Stars (WDS) Number
18055+0230
Positional Data
Position and Proper Motion (PPM) Number165145
Right Ascension (RA) J200018h 5m 27.285s
Declination (Dec) J2000+2° 30' 0.358"
Position Uncertainty0.0130s
Proper Motion in RA (J2000)/cos(Dec)+0.00831
Proper Motion in Dec (J2000)-0.962767
Radial Velocity-010.0km s-1
Trigonometric Parallax+0.19662s
Trigonometric Parallax Uncertainty0.00138s
GCI Unit Vector in X (J2000)0.023776
GCI Unit Vector in Y (J2000)-0.998765
GCI Unit Vector in Z (J2000)0.043621
Galactic Longitude29.91°
Galactic Latitude
11.37°
Observational Data
Observed Visual Magnitude (V)4.03
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty
Observed B Magnitude4.89
Observed B-V Colour+0.860
Observed B Magnitude or (B-V) Magnitude Uncertainty0.010
Observed U Magnitude
Observed U-B Colour
Observed U Magnitude or (U-B) Magnitude Uncertainty
Observed Photovisual Magnitude4.1
Observed Photographic Magnitude4.9
Morgan Keenan (MK) Spectral TypeK0-V
One-Dimensional Spectral ClassK0
Position Angle
Year of Observation1992. 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