Identification Data |
Common Name | |
Constellation | Corona Australis |
Star Name | kap2CrA |
Skymap Number | 18330083 |
Henry Draper (HD) Number | 170868 |
Harvard Revised (HR) Number | 6953 |
SAO Number | 210295 |
Durchmusterung (DM) Number | CD-3812895 |
Washington Double Stars (WDS) Number
| 18334-3844
|
Positional Data |
Position and Proper Motion (PPM) Number | 297869 |
Right Ascension (RA) J2000 | 18h 33m 23.132s |
Declination (Dec) J2000 | -38° 43' 33.548" |
Position Uncertainty | 0.0222s |
Proper Motion in RA (J2000)/cos(Dec) | -0.00005 |
Proper Motion in Dec (J2000) | -0.021867 |
Radial Velocity | -020.km s-1 |
Trigonometric Parallax | +0.00190s |
Trigonometric Parallax Uncertainty | 0.00163s |
GCI Unit Vector in X (J2000) | 0.113244 |
GCI Unit Vector in Y (J2000) | -0.771884 |
GCI Unit Vector in Z (J2000) | -0.625597 |
Galactic Longitude | 356.00° |
Galactic Latitude
| -13.33°
|
Observational Data |
Observed Visual Magnitude (V) | 5.61 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.004 |
Observed B Magnitude | 5.54 |
Observed B-V Colour | -0.066 |
Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.004 |
Observed U Magnitude | |
Observed U-B Colour | |
Observed U Magnitude or (U-B) Magnitude Uncertainty | |
Observed Photovisual Magnitude | 5.7 |
Observed Photographic Magnitude | |
Morgan Keenan (MK) Spectral Type | B9V |
One-Dimensional Spectral Class | B8 |
Position Angle | 359 |
Year of Observation | 1982. AD |