Astronomy
Constellations - Aquila - 22 Aql

 
Identification Data
Common Name
ConstellationAquila
Star Name22 Aql
Skymap Number19160118
Henry Draper (HD) Number180482
Harvard Revised (HR) Number7303
SAO Number124455
Durchmusterung (DM) NumberBD+04 4045
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number167527
Right Ascension (RA) J200019h 16m 31.031s
Declination (Dec) J2000+4° 50' 5.264"
Position Uncertainty0.0078s
Proper Motion in RA (J2000)/cos(Dec)+0.00099
Proper Motion in Dec (J2000)-0.010466
Radial Velocity-022.8km s-1
Trigonometric Parallax+0.00597s
Trigonometric Parallax Uncertainty0.00078s
GCI Unit Vector in X (J2000)0.326535
GCI Unit Vector in Y (J2000)-0.941420
GCI Unit Vector in Z (J2000)0.084283
Galactic Longitude40.11°
Galactic Latitude
-3.35°
Observational Data
Observed Visual Magnitude (V)5.58
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.003
Observed B Magnitude5.66
Observed B-V Colour+0.082
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 Magnitude5.4
Observed Photographic Magnitude5.6
Morgan Keenan (MK) Spectral TypeA3IV
One-Dimensional Spectral ClassA2
Position Angle
Year of Observation 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 13:15:32 GMT+01:00 2001