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Astronomy
Constellations - Aquila - 68 Aql

 
Identification Data
Common Name
ConstellationAquila
Star Name68 Aql
Skymap Number20280107
Henry Draper (HD) Number194939
Harvard Revised (HR) Number7821
SAO Number144468
Durchmusterung (DM) NumberSD-03 4906
Washington Double Stars (WDS) Number
20284-0321
Positional Data
Position and Proper Motion (PPM) Number204090
Right Ascension (RA) J200020h 28m 24.905s
Declination (Dec) J2000-3° 21' 28.058"
Position Uncertainty0.0119s
Proper Motion in RA (J2000)/cos(Dec)+0.00182
Proper Motion in Dec (J2000)-0.021266
Radial Velocity-009.0km s-1
Trigonometric Parallax+0.00585s
Trigonometric Parallax Uncertainty0.00106s
GCI Unit Vector in X (J2000)0.602225
GCI Unit Vector in Y (J2000)-0.796175
GCI Unit Vector in Z (J2000)-0.058571
Galactic Longitude41.36°
Galactic Latitude
-23.05°
Observational Data
Observed Visual Magnitude (V)6.13
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.004
Observed B Magnitude6.08
Observed B-V Colour-0.046
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 Magnitude6.8
Observed Photographic Magnitude6.0
Morgan Keenan (MK) Spectral TypeB9V
One-Dimensional Spectral ClassB9
Position Angle178
Year of Observation1943. 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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