Astronomy
Constellations - Corona Australis - eps CrA

 
Identification Data
Common Name
ConstellationCorona Australis
Star Nameeps CrA
Skymap Number18580178
Henry Draper (HD) Number175813
Harvard Revised (HR) Number7152
SAO Number210781
Durchmusterung (DM) NumberCD-3713001
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number298401
Right Ascension (RA) J200018h 58m 43.377s
Declination (Dec) J2000-37° 6' 26.485"
Position Uncertainty0.0137s
Proper Motion in RA (J2000)/cos(Dec)-0.01106
Proper Motion in Dec (J2000)-0.110566
Radial Velocity+054.4km s-1
Trigonometric Parallax+0.03343s
Trigonometric Parallax Uncertainty0.00092s
GCI Unit Vector in X (J2000)0.202114
GCI Unit Vector in Y (J2000)-0.771470
GCI Unit Vector in Z (J2000)-0.603310
Galactic Longitude359.55°
Galactic Latitude
-17.32°
Observational Data
Observed Visual Magnitude (V)4.83
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.016
Observed B Magnitude5.22
Observed B-V Colour+0.393
Observed B Magnitude or (B-V) Magnitude Uncertainty0.021
Observed U Magnitude
Observed U-B Colour
Observed U Magnitude or (U-B) Magnitude Uncertainty
Observed Photovisual Magnitude4.9
Observed Photographic Magnitude5.3
Morgan Keenan (MK) Spectral TypeF2V
One-Dimensional Spectral ClassF5
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