Identification Data |
Common Name | |
Constellation | Corona Australis |
Star Name | del CrA |
Skymap Number | 19080079 |
Henry Draper (HD) Number | 177873 |
Harvard Revised (HR) Number | 7242 |
SAO Number | 229513 |
Durchmusterung (DM) Number | CD-4013061 |
Washington Double Stars (WDS) Number
|
|
Positional Data |
Position and Proper Motion (PPM) Number | 324808 |
Right Ascension (RA) J2000 | 19h 8m 20.969s |
Declination (Dec) J2000 | -40° 29' 48.130" |
Position Uncertainty | 0.0124s |
Proper Motion in RA (J2000)/cos(Dec) | +0.00421 |
Proper Motion in Dec (J2000) | -0.026866 |
Radial Velocity | +020.3km s-1 |
Trigonometric Parallax | +0.01867s |
Trigonometric Parallax Uncertainty | 0.00083s |
GCI Unit Vector in X (J2000) | 0.223441 |
GCI Unit Vector in Y (J2000) | -0.726876 |
GCI Unit Vector in Z (J2000) | -0.649404 |
Galactic Longitude | 356.87° |
Galactic Latitude
| -20.24°
|
Observational Data |
Observed Visual Magnitude (V) | 4.58 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.003 |
Observed B Magnitude | 5.67 |
Observed B-V Colour | +1.091 |
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 | 4.6 |
Observed Photographic Magnitude | |
Morgan Keenan (MK) Spectral Type | K1III |
One-Dimensional Spectral Class | K0 |
Position Angle | |
Year of Observation | AD |