Identification Data |
Common Name | |
Constellation | Saggitarius |
Star Name | 11 Sgr |
Skymap Number | 18110149 |
Henry Draper (HD) Number | 166464 |
Harvard Revised (HR) Number | 6801 |
SAO Number | 186437 |
Durchmusterung (DM) Number | CD-2314047 |
Washington Double Stars (WDS) Number
| 18117-2342
|
Positional Data |
Position and Proper Motion (PPM) Number | 268021 |
Right Ascension (RA) J2000 | 18h 11m 43.333s |
Declination (Dec) J2000 | -23° 42' 4.447" |
Position Uncertainty | 0.0097s |
Proper Motion in RA (J2000)/cos(Dec) | +0.00057 |
Proper Motion in Dec (J2000) | -0.027866 |
Radial Velocity | +004.4km s-1 |
Trigonometric Parallax | +0.01335s |
Trigonometric Parallax Uncertainty | 0.00081s |
GCI Unit Vector in X (J2000) | 0.046813 |
GCI Unit Vector in Y (J2000) | -0.914456 |
GCI Unit Vector in Z (J2000) | -0.401968 |
Galactic Longitude | 7.46° |
Galactic Latitude
| -2.45°
|
Observational Data |
Observed Visual Magnitude (V) | 4.96 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.003 |
Observed B Magnitude | 6.02 |
Observed B-V Colour | +1.058 |
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 | 4.5 |
Observed Photographic Magnitude | |
Morgan Keenan (MK) Spectral Type | K0III |
One-Dimensional Spectral Class | K0 |
Position Angle | 286 |
Year of Observation | 1977. AD |