Astronomy
Constellations - Aquila - 46 Aql

 
Identification Data
Common Name
ConstellationAquila
Star Name46 Aql
Skymap Number19420070
Henry Draper (HD) Number186122
Harvard Revised (HR) Number7493
SAO Number105156
Durchmusterung (DM) NumberBD+11 3954
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number136807
Right Ascension (RA) J200019h 42m 12.812s
Declination (Dec) J2000+12° 11' 35.740"
Position Uncertainty0.0068s
Proper Motion in RA (J2000)/cos(Dec)+0.00000
Proper Motion in Dec (J2000)-0.008466
Radial Velocity-024.7km s-1
Trigonometric Parallax+0.00453s
Trigonometric Parallax Uncertainty0.00079s
GCI Unit Vector in X (J2000)0.421621
GCI Unit Vector in Y (J2000)-0.881831
GCI Unit Vector in Z (J2000)0.211210
Galactic Longitude49.63°
Galactic Latitude
-5.44°
Observational Data
Observed Visual Magnitude (V)6.33
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.004
Observed B Magnitude6.25
Observed B-V Colour-0.080
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 Magnitude6.3
Observed Photographic Magnitude6.1
Morgan Keenan (MK) Spectral TypeB9IIIpHgMn
One-Dimensional Spectral ClassB9
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