Astronomy
Constellations - Corona Australis - gam CrA

 
Identification Data
Common Name
ConstellationCorona Australis
Star Namegam CrA
Skymap Number19060248
Henry Draper (HD) Number177475
Harvard Revised (HR) Number7227
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 25.207s
Declination (Dec) J2000-37° 3' 48.734"
Position Uncertainty0.0250s
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)0.228037
GCI Unit Vector in Y (J2000)-0.764690
GCI Unit Vector in Z (J2000)-0.602700
Galactic Longitude0.17°
Galactic Latitude
-18.73°
Observational Data
Observed Visual Magnitude (V)4.99
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.050
Observed B Magnitude5.51
Observed B-V Colour+0.52
Observed B Magnitude or (B-V) Magnitude Uncertainty0.050
Observed U Magnitude5.51
Observed U-B Colour0.00
Observed U Magnitude or (U-B) Magnitude Uncertainty0.050
Observed Photovisual Magnitude5.0
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))

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