Astronomy
Constellations - Aquila - 51 Aql

 
Identification Data
Common Name
ConstellationAquila
Star Name51 Aql
Skymap Number19500191
Henry Draper (HD) Number187532
Harvard Revised (HR) Number7553
SAO Number163036
Durchmusterung (DM) NumberSD-11 5149
Washington Double Stars (WDS) Number
19508-1046
Positional Data
Position and Proper Motion (PPM) Number236571
Right Ascension (RA) J200019h 50m 46.783s
Declination (Dec) J2000-10° 45' 48.642"
Position Uncertainty0.0127s
Proper Motion in RA (J2000)/cos(Dec)-0.00220
Proper Motion in Dec (J2000)+0.031866
Radial Velocity+006.0km s-1
Trigonometric Parallax+0.03786s
Trigonometric Parallax Uncertainty0.00097s
GCI Unit Vector in X (J2000)0.456587
GCI Unit Vector in Y (J2000)-0.869857
GCI Unit Vector in Z (J2000)-0.186756
Galactic Longitude29.83°
Galactic Latitude
-18.00°
Observational Data
Observed Visual Magnitude (V)5.39
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.050
Observed B Magnitude5.77
Observed B-V Colour+0.38
Observed B Magnitude or (B-V) Magnitude Uncertainty0.050
Observed U Magnitude
Observed U-B Colour
Observed U Magnitude or (U-B) Magnitude Uncertainty
Observed Photovisual Magnitude5.6
Observed Photographic Magnitude5.8
Morgan Keenan (MK) Spectral TypeF0V
One-Dimensional Spectral ClassF0
Position Angle117
Year of Observation1903. 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