Astronomy
Constellations - Aquila - 69 Aql

 
Identification Data
Common Name
ConstellationAquila
Star Name69 Aql
Skymap Number20290158
Henry Draper (HD) Number195135
Harvard Revised (HR) Number7831
SAO Number144495
Durchmusterung (DM) NumberSD-03 4918
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number204115
Right Ascension (RA) J200020h 29m 39.000s
Declination (Dec) J2000-2° 53' 7.911"
Position Uncertainty0.0107s
Proper Motion in RA (J2000)/cos(Dec)+0.00480
Proper Motion in Dec (J2000)-0.022466
Radial Velocity-023.6km s-1
Trigonometric Parallax+0.01708s
Trigonometric Parallax Uncertainty0.00094s
GCI Unit Vector in X (J2000)0.606779
GCI Unit Vector in Y (J2000)-0.793275
GCI Unit Vector in Z (J2000)-0.050341
Galactic Longitude41.97°
Galactic Latitude
-23.10°
Observational Data
Observed Visual Magnitude (V)4.91
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.002
Observed B Magnitude6.07
Observed B-V Colour+1.162
Observed B Magnitude or (B-V) Magnitude Uncertainty0.003
Observed U Magnitude
Observed U-B Colour
Observed U Magnitude or (U-B) Magnitude Uncertainty
Observed Photovisual Magnitude5.1
Observed Photographic Magnitude6.1
Morgan Keenan (MK) Spectral TypeK2III
One-Dimensional Spectral ClassK0
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