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Astronomy
Constellations - Corona Australis - gam CrA

 
Identification Data
Common Name
ConstellationCorona Australis
Star Namegam CrA
Skymap Number19060104
Henry Draper (HD) Number177474
Harvard Revised (HR) Number7226
SAO Number210928
Durchmusterung (DM) NumberCD-3713048
Washington Double Stars (WDS) Number
19064-3704
Positional Data
Position and Proper Motion (PPM) Number298559
Right Ascension (RA) J200019h 6m 25.110s
Declination (Dec) J2000-37° 3' 48.373"
Position Uncertainty0.0249s
Proper Motion in RA (J2000)/cos(Dec)+0.00810
Proper Motion in Dec (J2000)-0.279767
Radial Velocity-051.3km s-1
Trigonometric Parallax+0.05589s
Trigonometric Parallax Uncertainty0.00194s
GCI Unit Vector in X (J2000)0.228032
GCI Unit Vector in Y (J2000)-0.764693
GCI Unit Vector in Z (J2000)-0.602699
Galactic Longitude0.17°
Galactic Latitude
-18.73°
Observational Data
Observed Visual Magnitude (V)4.23
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty
Observed B Magnitude4.75
Observed B-V Colour+0.523
Observed B Magnitude or (B-V) Magnitude Uncertainty0.010
Observed U Magnitude
Observed U-B Colour
Observed U Magnitude or (U-B) Magnitude Uncertainty
Observed Photovisual Magnitude4.9
Observed Photographic Magnitude5.5
Morgan Keenan (MK) Spectral TypeF8V
One-Dimensional Spectral ClassF8
Position Angle136
Year of Observation1986.3 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))

 
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Page compiled: Sun Sep 02 13:15:38 GMT+01:00 2001
 
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