Astronomy
Constellations - Cygnus - 22 Cyg

 
Identification Data
Common Name
ConstellationCygnus
Star Name22 Cyg
Skymap Number19550194
Henry Draper (HD) Number188892
Harvard Revised (HR) Number7613
SAO Number69101
Durchmusterung (DM) NumberBD+38 3817
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number83837
Right Ascension (RA) J200019h 55m 51.762s
Declination (Dec) J2000+38° 29' 12.139"
Position Uncertainty0.0054s
Proper Motion in RA (J2000)/cos(Dec)+0.00012
Proper Motion in Dec (J2000)+0.000666
Radial Velocity-031.3km s-1
Trigonometric Parallax+0.00271s
Trigonometric Parallax Uncertainty0.00054s
GCI Unit Vector in X (J2000)0.379076
GCI Unit Vector in Y (J2000)-0.684838
GCI Unit Vector in Z (J2000)0.622333
Galactic Longitude73.90°
Galactic Latitude
5.19°
Observational Data
Observed Visual Magnitude (V)4.95
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.002
Observed B Magnitude4.86
Observed B-V Colour-0.093
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 Magnitude4.9
Observed Photographic Magnitude4.7
Morgan Keenan (MK) Spectral TypeB5IV
One-Dimensional Spectral ClassB3
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