Identification Data |
Common Name | |
Constellation | Corona Australis |
Star Name | bet CrA |
Skymap Number | 19100006 |
Henry Draper (HD) Number | 178345 |
Harvard Revised (HR) Number | 7259 |
SAO Number | 211005 |
Durchmusterung (DM) Number | CD-3913146 |
Washington Double Stars (WDS) Number
|
|
Positional Data |
Position and Proper Motion (PPM) Number | 298639 |
Right Ascension (RA) J2000 | 19h 10m 1.756s |
Declination (Dec) J2000 | -39° 20' 26.866" |
Position Uncertainty | 0.0135s |
Proper Motion in RA (J2000)/cos(Dec) | +0.00051 |
Proper Motion in Dec (J2000) | -0.036866 |
Radial Velocity | +002.7km s-1 |
Trigonometric Parallax | +0.00642s |
Trigonometric Parallax Uncertainty | 0.00090s |
GCI Unit Vector in X (J2000) | 0.232657 |
GCI Unit Vector in Y (J2000) | -0.737565 |
GCI Unit Vector in Z (J2000) | -0.633932 |
Galactic Longitude | 358.14° |
Galactic Latitude
| -20.17°
|
Observational Data |
Observed Visual Magnitude (V) | 4.11 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.002 |
Observed B Magnitude | 5.30 |
Observed B-V Colour | +1.189 |
Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.003 |
Observed U Magnitude | |
Observed U-B Colour | |
Observed U Magnitude or (U-B) Magnitude Uncertainty | |
Observed Photovisual Magnitude | 3.9 |
Observed Photographic Magnitude | |
Morgan Keenan (MK) Spectral Type | K0II |
One-Dimensional Spectral Class | G5 |
Position Angle | |
Year of Observation | AD |