Astronomy
Constellations - Aquila - 24 Aql

 
Identification Data
Common Name
ConstellationAquila
Star Name24 Aql
Skymap Number19180198
Henry Draper (HD) Number181053
Harvard Revised (HR) Number7321
SAO Number124492
Durchmusterung (DM) NumberBD+00 4170
Washington Double Stars (WDS) Number
19188+0020
Positional Data
Position and Proper Motion (PPM) Number167605
Right Ascension (RA) J200019h 18m 50.943s
Declination (Dec) J2000+0° 20' 20.486"
Position Uncertainty0.0098s
Proper Motion in RA (J2000)/cos(Dec)+0.00113
Proper Motion in Dec (J2000)+0.009266
Radial Velocity-028.5km s-1
Trigonometric Parallax+0.00668s
Trigonometric Parallax Uncertainty0.00086s
GCI Unit Vector in X (J2000)0.337291
GCI Unit Vector in Y (J2000)-0.941382
GCI Unit Vector in Z (J2000)0.005917
Galactic Longitude36.38°
Galactic Latitude
-5.94°
Observational Data
Observed Visual Magnitude (V)6.41
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.005
Observed B Magnitude7.45
Observed B-V Colour+1.041
Observed B Magnitude or (B-V) Magnitude Uncertainty0.007
Observed U Magnitude
Observed U-B Colour
Observed U Magnitude or (U-B) Magnitude Uncertainty
Observed Photovisual Magnitude6.5
Observed Photographic Magnitude7.8
Morgan Keenan (MK) Spectral TypeK0-IIIa:Ba0.5CH1
One-Dimensional Spectral ClassK0
Position Angle160
Year of Observation1911. 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