Astronomy
Constellations - Cygnus - 56 Cyg

 
Identification Data
Common Name
ConstellationCygnus
Star Name56 Cyg
Skymap Number20500016
Henry Draper (HD) Number198639
Harvard Revised (HR) Number7984
SAO Number50121
Durchmusterung (DM) NumberBD+43 3739
Washington Double Stars (WDS) Number
20501+4404
Positional Data
Position and Proper Motion (PPM) Number60544
Right Ascension (RA) J200020h 50m 4.931s
Declination (Dec) J2000+44° 3' 33.494"
Position Uncertainty0.0059s
Proper Motion in RA (J2000)/cos(Dec)+0.01138
Proper Motion in Dec (J2000)+0.132366
Radial Velocity-021.0km s-1
Trigonometric Parallax+0.02367s
Trigonometric Parallax Uncertainty0.00056s
GCI Unit Vector in X (J2000)0.485683
GCI Unit Vector in Y (J2000)-0.529648
GCI Unit Vector in Z (J2000)0.695403
Galactic Longitude84.29°
Galactic Latitude
0.03°
Observational Data
Observed Visual Magnitude (V)5.07
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.002
Observed B Magnitude5.28
Observed B-V Colour+0.206
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 Magnitude5.1
Observed Photographic Magnitude
Morgan Keenan (MK) Spectral TypeA4mDeltaDel
One-Dimensional Spectral ClassA5
Position Angle46
Year of Observation1923. 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