Astronomy
Constellations - Corona Australis - the CrA

 
Identification Data
Common Name
ConstellationCorona Australis
Star Namethe CrA
Skymap Number18330106
Henry Draper (HD) Number170845
Harvard Revised (HR) Number6951
SAO Number229111
Durchmusterung (DM) NumberCD-4213378
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number324219
Right Ascension (RA) J200018h 33m 30.185s
Declination (Dec) J2000-42° 18' 45.035"
Position Uncertainty0.0094s
Proper Motion in RA (J2000)/cos(Dec)+0.00293
Proper Motion in Dec (J2000)-0.021066
Radial Velocity-002.1km s-1
Trigonometric Parallax+0.00376s
Trigonometric Parallax Uncertainty0.00087s
GCI Unit Vector in X (J2000)0.107717
GCI Unit Vector in Y (J2000)-0.731597
GCI Unit Vector in Z (J2000)-0.673174
Galactic Longitude352.62°
Galactic Latitude
-14.80°
Observational Data
Observed Visual Magnitude (V)4.62
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.002
Observed B Magnitude5.62
Observed B-V Colour+1.004
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 Magnitude4.7
Observed Photographic Magnitude
Morgan Keenan (MK) Spectral TypeG8III
One-Dimensional Spectral ClassG5
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