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Astronomy
Constellations - Aquila - 23 Aql

 
Identification Data
Common Name
ConstellationAquila
Star Name23 Aql
Skymap Number19180118
Henry Draper (HD) Number180972
Harvard Revised (HR) Number7319
SAO Number124487
Durchmusterung (DM) NumberBD+00 4168
Washington Double Stars (WDS) Number
19185+0105
Positional Data
Position and Proper Motion (PPM) Number167594
Right Ascension (RA) J200019h 18m 32.495s
Declination (Dec) J2000+1° 5' 6.464"
Position Uncertainty0.0082s
Proper Motion in RA (J2000)/cos(Dec)+0.00075
Proper Motion in Dec (J2000)+0.017967
Radial Velocity-024.1km s-1
Trigonometric Parallax+0.00856s
Trigonometric Parallax Uncertainty0.00080s
GCI Unit Vector in X (J2000)0.335973
GCI Unit Vector in Y (J2000)-0.941681
GCI Unit Vector in Z (J2000)0.018938
Galactic Longitude37.01°
Galactic Latitude
-5.53°
Observational Data
Observed Visual Magnitude (V)5.10
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.001
Observed B Magnitude
Observed B-V Colour+1.143
Observed B Magnitude or (B-V) Magnitude Uncertainty0.005
Observed U Magnitude
Observed U-B Colour
Observed U Magnitude or (U-B) Magnitude Uncertainty
Observed Photovisual Magnitude5.3
Observed Photographic Magnitude6.7
Morgan Keenan (MK) Spectral TypeK2II-III
One-Dimensional Spectral ClassK0
Position Angle4
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))

 
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Page compiled: Sun Sep 02 13:15:32 GMT+01:00 2001
 
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