Astronomy
Constellations - Cygnus - 23 Cyg

 
Identification Data
Common Name
ConstellationCygnus
Star Name23 Cyg
Skymap Number19530064
Henry Draper (HD) Number188665
Harvard Revised (HR) Number7608
SAO Number32085
Durchmusterung (DM) NumberBD+57 2084
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number37885
Right Ascension (RA) J200019h 53m 17.377s
Declination (Dec) J2000+57° 31' 24.535"
Position Uncertainty0.0064s
Proper Motion in RA (J2000)/cos(Dec)+0.00074
Proper Motion in Dec (J2000)+0.007666
Radial Velocity-025.0km s-1
Trigonometric Parallax+0.00511s
Trigonometric Parallax Uncertainty0.00049s
GCI Unit Vector in X (J2000)0.254748
GCI Unit Vector in Y (J2000)-0.472676
GCI Unit Vector in Z (J2000)0.843612
Galactic Longitude90.55°
Galactic Latitude
14.91°
Observational Data
Observed Visual Magnitude (V)5.14
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.003
Observed B Magnitude5.01
Observed B-V Colour-0.128
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 Magnitude5.0
Observed Photographic Magnitude4.9
Morgan Keenan (MK) Spectral TypeB5V
One-Dimensional Spectral ClassB5
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