Astronomy
Constellations - Cygnus - 68 Cyg

 
Identification Data
Common Name
ConstellationCygnus
Star Name68 Cyg
Skymap Number21180100
Henry Draper (HD) Number203064
Harvard Revised (HR) Number8154
SAO Number50690
Durchmusterung (DM) NumberBD+43 3877
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number61260
Right Ascension (RA) J200021h 18m 27.185s
Declination (Dec) J2000+43° 56' 45.401"
Position Uncertainty0.0061s
Proper Motion in RA (J2000)/cos(Dec)+0.00042
Proper Motion in Dec (J2000)-0.009166
Radial Velocity+004.4km s-1
Trigonometric Parallax-0.00005s
Trigonometric Parallax Uncertainty0.00055s
GCI Unit Vector in X (J2000)0.548412
GCI Unit Vector in Y (J2000)-0.466516
GCI Unit Vector in Z (J2000)0.693979
Galactic Longitude87.62°
Galactic Latitude
-3.84°
Observational Data
Observed Visual Magnitude (V)5.05
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.002
Observed B Magnitude4.98
Observed B-V Colour-0.065
Observed B Magnitude or (B-V) Magnitude Uncertainty0.002
Observed U Magnitude
Observed U-B Colour
Observed U Magnitude or (U-B) Magnitude Uncertainty
Observed Photovisual Magnitude5.1
Observed Photographic Magnitude
Morgan Keenan (MK) Spectral TypeO7.5III:n((f))
One-Dimensional Spectral ClassO0
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 13:15:39 GMT+01:00 2001