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Astronomy
Constellations - Aquila - 56 Aql

 
Identification Data
Common Name
ConstellationAquila
Star Name56 Aql
Skymap Number19540028
Henry Draper (HD) Number188154
Harvard Revised (HR) Number7584
SAO Number143894
Durchmusterung (DM) NumberSD-08 5150
Washington Double Stars (WDS) Number
19541-0834
Positional Data
Position and Proper Motion (PPM) Number203417
Right Ascension (RA) J200019h 54m 8.277s
Declination (Dec) J2000-8° 34' 27.160"
Position Uncertainty0.0119s
Proper Motion in RA (J2000)/cos(Dec)+0.00053
Proper Motion in Dec (J2000)-0.019066
Radial Velocity-049.5km s-1
Trigonometric Parallax+0.00827s
Trigonometric Parallax Uncertainty0.00106s
GCI Unit Vector in X (J2000)0.472349
GCI Unit Vector in Y (J2000)-0.868711
GCI Unit Vector in Z (J2000)-0.149090
Galactic Longitude32.28°
Galactic Latitude
-17.80°
Observational Data
Observed Visual Magnitude (V)5.77
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.005
Observed B Magnitude7.41
Observed B-V Colour+1.643
Observed B Magnitude or (B-V) Magnitude Uncertainty0.010
Observed U Magnitude
Observed U-B Colour
Observed U Magnitude or (U-B) Magnitude Uncertainty
Observed Photovisual Magnitude5.4
Observed Photographic Magnitude7.2
Morgan Keenan (MK) Spectral TypegK5
One-Dimensional Spectral ClassK5
Position Angle77
Year of Observation1901. 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 13:15:32 GMT+01:00 2001
 
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