Identification Data |
Common Name | |
Constellation | Saggitarius |
Star Name | 9 Sgr |
Skymap Number | 18030174 |
Henry Draper (HD) Number | 164794 |
Harvard Revised (HR) Number | 6736 |
SAO Number | 186204 |
Durchmusterung (DM) Number | CD-2413814 |
Washington Double Stars (WDS) Number
|
|
Positional Data |
Position and Proper Motion (PPM) Number | 267779 |
Right Ascension (RA) J2000 | 18h 3m 52.444s |
Declination (Dec) J2000 | -24° 21' 38.628" |
Position Uncertainty | 0.0123s |
Proper Motion in RA (J2000)/cos(Dec) | +0.00005 |
Proper Motion in Dec (J2000) | -0.001766 |
Radial Velocity | +010.7km s-1 |
Trigonometric Parallax | +0.00066s |
Trigonometric Parallax Uncertainty | 0.00101s |
GCI Unit Vector in X (J2000) | 0.015398 |
GCI Unit Vector in Y (J2000) | -0.910836 |
GCI Unit Vector in Z (J2000) | -0.412480 |
Galactic Longitude | 6.01° |
Galactic Latitude
| -1.20°
|
Observational Data |
Observed Visual Magnitude (V) | 5.89 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.001 |
Observed B Magnitude | |
Observed B-V Colour | +0.031 |
Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.031 |
Observed U Magnitude | |
Observed U-B Colour | |
Observed U Magnitude or (U-B) Magnitude Uncertainty | |
Observed Photovisual Magnitude | 6.1 |
Observed Photographic Magnitude | |
Morgan Keenan (MK) Spectral Type | O4V((f)) |
One-Dimensional Spectral Class | O0 |
Position Angle | |
Year of Observation | AD |