Astronomy
Constellations - Cygnus - 79 Cyg

 
Identification Data
Common Name
ConstellationCygnus
Star Name79 Cyg
Skymap Number21430083
Henry Draper (HD) Number206774
Harvard Revised (HR) Number8307
SAO Number71643
Durchmusterung (DM) NumberBD+37 4408
Washington Double Stars (WDS) Number
21434+3817
Positional Data
Position and Proper Motion (PPM) Number86944
Right Ascension (RA) J200021h 43m 25.652s
Declination (Dec) J2000+38° 17' 0.919"
Position Uncertainty0.0052s
Proper Motion in RA (J2000)/cos(Dec)+0.00294
Proper Motion in Dec (J2000)-0.004966
Radial Velocity-022.8km s-1
Trigonometric Parallax+0.01197s
Trigonometric Parallax Uncertainty0.00060s
GCI Unit Vector in X (J2000)0.649658
GCI Unit Vector in Y (J2000)-0.440565
GCI Unit Vector in Z (J2000)0.619554
Galactic Longitude87.12°
Galactic Latitude
-11.18°
Observational Data
Observed Visual Magnitude (V)5.70
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.003
Observed B Magnitude5.70
Observed B-V Colour-0.005
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 Magnitude5.6
Observed Photographic Magnitude5.6
Morgan Keenan (MK) Spectral TypeA0V
One-Dimensional Spectral ClassA0
Position Angle60
Year of Observation1925. 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