| Identification Data |
| Common Name | |
| Constellation | Saggitarius |
| Star Name | 30 Sgr |
| Skymap Number | 18500185 |
| Henry Draper (HD) Number | 174309 |
| Harvard Revised (HR) Number | 7088 |
| SAO Number | 187342 |
| Durchmusterung (DM) Number | BD-22 4881 |
Washington Double Stars (WDS) Number
| 18508-2210
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 268964 |
| Right Ascension (RA) J2000 | 18h 50m 50.490s |
| Declination (Dec) J2000 | -22° 9' 43.885" |
| Position Uncertainty | 0.0098s |
| Proper Motion in RA (J2000)/cos(Dec) | -0.00123 |
| Proper Motion in Dec (J2000) | -0.035366 |
| Radial Velocity | -035.4km s-1 |
| Trigonometric Parallax | +0.01331s |
| Trigonometric Parallax Uncertainty | 0.00088s |
| GCI Unit Vector in X (J2000) | 0.203768 |
| GCI Unit Vector in Y (J2000) | -0.903425 |
| GCI Unit Vector in Z (J2000) | -0.377230 |
| Galactic Longitude | 12.95° |
Galactic Latitude
| -9.78°
|
| Observational Data |
| Observed Visual Magnitude (V) | 6.29 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.005 |
| Observed B Magnitude | 6.67 |
| Observed B-V Colour | +0.383 |
| Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.007 |
| Observed U Magnitude | |
| Observed U-B Colour | |
| Observed U Magnitude or (U-B) Magnitude Uncertainty | |
| Observed Photovisual Magnitude | 6.2 |
| Observed Photographic Magnitude | |
| Morgan Keenan (MK) Spectral Type | A7III |
| One-Dimensional Spectral Class | F0 |
| Position Angle | 247 |
| Year of Observation | 1928. AD |
