Astronomy
Constellations - Corona Australis - mu CrA

 
Identification Data
Common Name
ConstellationCorona Australis
Star Namemu CrA
Skymap Number18470158
Henry Draper (HD) Number173540
Harvard Revised (HR) Number7050
SAO Number229285
Durchmusterung (DM) NumberCD-4012807
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number324446
Right Ascension (RA) J200018h 47m 44.618s
Declination (Dec) J2000-40° 24' 22.201"
Position Uncertainty0.0083s
Proper Motion in RA (J2000)/cos(Dec)+0.00216
Proper Motion in Dec (J2000)-0.018666
Radial Velocity-018.2km s-1
Trigonometric Parallax+0.00830s
Trigonometric Parallax Uncertainty0.00078s
GCI Unit Vector in X (J2000)0.157485
GCI Unit Vector in Y (J2000)-0.745005
GCI Unit Vector in Z (J2000)-0.648202
Galactic Longitude355.52°
Galactic Latitude
-16.54°
Observational Data
Observed Visual Magnitude (V)5.21
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.003
Observed B Magnitude5.98
Observed B-V Colour+0.774
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 Magnitude5.3
Observed Photographic Magnitude
Morgan Keenan (MK) Spectral TypeG5-6III
One-Dimensional Spectral ClassG0
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 13:15:38 GMT+01:00 2001