Astronomy
Constellations - Cygnus - 19 Cyg

 
Identification Data
Common Name
ConstellationCygnus
Star Name19 Cyg
Skymap Number19500141
Henry Draper (HD) Number187849
Harvard Revised (HR) Number7566
SAO Number68947
Durchmusterung (DM) NumberBD+38 3780
Washington Double Stars (WDS) Number
19506+3843
Positional Data
Position and Proper Motion (PPM) Number83662
Right Ascension (RA) J200019h 50m 33.995s
Declination (Dec) J2000+38° 43' 20.710"
Position Uncertainty0.0059s
Proper Motion in RA (J2000)/cos(Dec)+0.00108
Proper Motion in Dec (J2000)+0.105966
Radial Velocity-038.9km s-1
Trigonometric Parallax+0.00508s
Trigonometric Parallax Uncertainty0.00054s
GCI Unit Vector in X (J2000)0.361959
GCI Unit Vector in Y (J2000)-0.691140
GCI Unit Vector in Z (J2000)0.625548
Galactic Longitude73.58°
Galactic Latitude
6.20°
Observational Data
Observed Visual Magnitude (V)5.19
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.006
Observed B Magnitude6.83
Observed B-V Colour+1.638
Observed B Magnitude or (B-V) Magnitude Uncertainty0.009
Observed U Magnitude
Observed U-B Colour
Observed U Magnitude or (U-B) Magnitude Uncertainty
Observed Photovisual Magnitude5.4
Observed Photographic Magnitude6.8
Morgan Keenan (MK) Spectral TypeM2IIIa
One-Dimensional Spectral ClassM0
Position Angle112
Year of Observation1985. 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