Astronomy
Constellations - Corona Australis - zet CrA

 
Identification Data
Common Name
ConstellationCorona Australis
Star Namezet CrA
Skymap Number19030034
Henry Draper (HD) Number176638
Harvard Revised (HR) Number7188
SAO Number229461
Durchmusterung (DM) NumberCD-4213855
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number324720
Right Ascension (RA) J200019h 3m 6.876s
Declination (Dec) J2000-42° 5' 42.377"
Position Uncertainty0.0111s
Proper Motion in RA (J2000)/cos(Dec)+0.00501
Proper Motion in Dec (J2000)-0.045366
Radial Velocity-013.0km s-1
Trigonometric Parallax+0.01775s
Trigonometric Parallax Uncertainty0.00086s
GCI Unit Vector in X (J2000)0.201775
GCI Unit Vector in Y (J2000)-0.714073
GCI Unit Vector in Z (J2000)-0.670363
Galactic Longitude354.92°
Galactic Latitude
-19.83°
Observational Data
Observed Visual Magnitude (V)4.74
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.002
Observed B Magnitude4.72
Observed B-V Colour-0.020
Observed B Magnitude or (B-V) Magnitude Uncertainty0.003
Observed U Magnitude
Observed U-B Colour
Observed U Magnitude or (U-B) Magnitude Uncertainty
Observed Photovisual Magnitude5.1
Observed Photographic Magnitude4.9
Morgan Keenan (MK) Spectral TypeB9.5V
One-Dimensional Spectral ClassA0
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