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Astronomy
Constellations - Cygnus - 65tau Cyg

 
Identification Data
Common Name
ConstellationCygnus
Star Name65tau Cyg
Skymap Number21140150
Henry Draper (HD) Number202444
Harvard Revised (HR) Number8130
SAO Number71121
Durchmusterung (DM) NumberBD+37 4240
Washington Double Stars (WDS) Number
21148+3803
Positional Data
Position and Proper Motion (PPM) Number400283
Right Ascension (RA) J200021h 14m 47.491s
Declination (Dec) J2000+38° 2' 43.141"
Position Uncertainty0.0060s
Proper Motion in RA (J2000)/cos(Dec)+0.01657
Proper Motion in Dec (J2000)+0.410067
Radial Velocity-021.1km s-1
Trigonometric Parallax+0.04780s
Trigonometric Parallax Uncertainty0.00061s
GCI Unit Vector in X (J2000)0.591619
GCI Unit Vector in Y (J2000)-0.519789
GCI Unit Vector in Z (J2000)0.616285
Galactic Longitude82.85°
Galactic Latitude
-7.43°
Observational Data
Observed Visual Magnitude (V)3.74
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.002
Observed B Magnitude4.14
Observed B-V Colour+0.404
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 Magnitude3.8
Observed Photographic Magnitude4.1
Morgan Keenan (MK) Spectral TypeF2IV
One-Dimensional Spectral ClassF0
Position Angle
Year of Observation1993. 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))

 
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Page compiled: Sun Sep 02 13:15:39 GMT+01:00 2001
 
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