Astronomy
Constellations - Cygnus - 74 Cyg

 
Identification Data
Common Name
ConstellationCygnus
Star Name74 Cyg
Skymap Number21360177
Henry Draper (HD) Number205835
Harvard Revised (HR) Number8266
SAO Number51101
Durchmusterung (DM) NumberBD+39 4612
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number61760
Right Ascension (RA) J200021h 36m 56.975s
Declination (Dec) J2000+40° 24' 48.675"
Position Uncertainty0.0067s
Proper Motion in RA (J2000)/cos(Dec)-0.00013
Proper Motion in Dec (J2000)+0.012566
Radial Velocity+005.3km s-1
Trigonometric Parallax+0.01579s
Trigonometric Parallax Uncertainty0.00061s
GCI Unit Vector in X (J2000)0.617823
GCI Unit Vector in Y (J2000)-0.444975
GCI Unit Vector in Z (J2000)0.648300
Galactic Longitude87.62°
Galactic Latitude
-8.76°
Observational Data
Observed Visual Magnitude (V)5.05
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.002
Observed B Magnitude5.25
Observed B-V Colour+0.195
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 TypeA5V
One-Dimensional Spectral ClassA5
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