Astronomy
Constellations - Aquila - 39kap Aql

 
Identification Data
Common Name
ConstellationAquila
Star Name39kap Aql
Skymap Number19360220
Henry Draper (HD) Number184915
Harvard Revised (HR) Number7446
SAO Number143600
Durchmusterung (DM) NumberSD-07 5006
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number203088
Right Ascension (RA) J200019h 36m 53.449s
Declination (Dec) J2000-7° 1' 38.918"
Position Uncertainty0.0074s
Proper Motion in RA (J2000)/cos(Dec)+0.00009
Proper Motion in Dec (J2000)-0.002766
Radial Velocity-019.4km s-1
Trigonometric Parallax+0.00224s
Trigonometric Parallax Uncertainty0.00081s
GCI Unit Vector in X (J2000)0.407202
GCI Unit Vector in Y (J2000)-0.905107
GCI Unit Vector in Z (J2000)-0.122345
Galactic Longitude31.78°
Galactic Latitude
-13.29°
Observational Data
Observed Visual Magnitude (V)4.97
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.003
Observed B Magnitude4.92
Observed B-V Colour-0.050
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 Magnitude5.0
Observed Photographic Magnitude4.8
Morgan Keenan (MK) Spectral TypeB0.5III
One-Dimensional Spectral ClassB0
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