Identification Data |
Common Name | Kaus Australis |
Constellation | Saggitarius |
Star Name | 20eps Sgr |
Skymap Number | 18240035 |
Henry Draper (HD) Number | 169022 |
Harvard Revised (HR) Number | 6879 |
SAO Number | 210091 |
Durchmusterung (DM) Number | CD-3412784 |
Washington Double Stars (WDS) Number
| 18241-3424
|
Positional Data |
Position and Proper Motion (PPM) Number | 297655 |
Right Ascension (RA) J2000 | 18h 24m 10.318s |
Declination (Dec) J2000 | -34° 23' 4.618" |
Position Uncertainty | 0.0096s |
Proper Motion in RA (J2000)/cos(Dec) | -0.00320 |
Proper Motion in Dec (J2000) | -0.124166 |
Radial Velocity | -015.0km s-1 |
Trigonometric Parallax | +0.02255s |
Trigonometric Parallax Uncertainty | 0.00102s |
GCI Unit Vector in X (J2000) | 0.086880 |
GCI Unit Vector in Y (J2000) | -0.820679 |
GCI Unit Vector in Z (J2000) | -0.564745 |
Galactic Longitude | 359.20° |
Galactic Latitude
| -9.81°
|
Observational Data |
Observed Visual Magnitude (V) | 1.81 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.007 |
Observed B Magnitude | 1.83 |
Observed B-V Colour | +0.018 |
Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.009 |
Observed U Magnitude | |
Observed U-B Colour | |
Observed U Magnitude or (U-B) Magnitude Uncertainty | |
Observed Photovisual Magnitude | 2.0 |
Observed Photographic Magnitude | 2.0 |
Morgan Keenan (MK) Spectral Type | B9.5III |
One-Dimensional Spectral Class | A0 |
Position Angle | 302 |
Year of Observation | 1930. AD |