Astronomy
Constellations - Cygnus - 54lam Cyg

 
Identification Data
Common Name
ConstellationCygnus
Star Name54lam Cyg
Skymap Number20470083
Henry Draper (HD) Number198183
Harvard Revised (HR) Number7963
SAO Number70505
Durchmusterung (DM) NumberBD+35 4267
Washington Double Stars (WDS) Number
20474+3629
Positional Data
Position and Proper Motion (PPM) Number85526
Right Ascension (RA) J200020h 47m 24.537s
Declination (Dec) J2000+36° 29' 26.580"
Position Uncertainty0.0064s
Proper Motion in RA (J2000)/cos(Dec)+0.00124
Proper Motion in Dec (J2000)-0.008267
Radial Velocity-024.0km s-1
Trigonometric Parallax+0.00371s
Trigonometric Parallax Uncertainty0.00061s
GCI Unit Vector in X (J2000)0.536407
GCI Unit Vector in Y (J2000)-0.598839
GCI Unit Vector in Z (J2000)0.594693
Galactic Longitude78.09°
Galactic Latitude
-4.34°
Observational Data
Observed Visual Magnitude (V)4.57
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.003
Observed B Magnitude4.46
Observed B-V Colour-0.114
Observed B Magnitude or (B-V) Magnitude Uncertainty0.004
Observed U Magnitude
Observed U-B Colour
Observed U Magnitude or (U-B) Magnitude Uncertainty
Observed Photovisual Magnitude4.5
Observed Photographic Magnitude4.3
Morgan Keenan (MK) Spectral TypeB5Ve
One-Dimensional Spectral ClassB5
Position Angle
Year of Observation1991. 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