| Identification Data |
| Common Name | |
| Constellation | Saggitarius |
| Star Name | 55 Sgr |
| Skymap Number | 19420134 |
| Henry Draper (HD) Number | 186005 |
| Harvard Revised (HR) Number | 7489 |
| SAO Number | 162915 |
| Durchmusterung (DM) Number | SD-16 5413 |
Washington Double Stars (WDS) Number
|
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 236375 |
| Right Ascension (RA) J2000 | 19h 42m 31.133s |
| Declination (Dec) J2000 | -16° 7' 26.387" |
| Position Uncertainty | 0.0086s |
| Proper Motion in RA (J2000)/cos(Dec) | +0.00470 |
| Proper Motion in Dec (J2000) | -0.009266 |
| Radial Velocity | -027.0km s-1 |
| Trigonometric Parallax | +0.01867s |
| Trigonometric Parallax Uncertainty | 0.00088s |
| GCI Unit Vector in X (J2000) | 0.415538 |
| GCI Unit Vector in Y (J2000) | -0.866142 |
| GCI Unit Vector in Z (J2000) | -0.277717 |
| Galactic Longitude | 23.82° |
Galactic Latitude
| -18.40°
|
| Observational Data |
| Observed Visual Magnitude (V) | 5.07 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.002 |
| Observed B Magnitude | 5.40 |
| Observed B-V Colour | +0.327 |
| Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.003 |
| Observed U Magnitude | |
| Observed U-B Colour | |
| Observed U Magnitude or (U-B) Magnitude Uncertainty | |
| Observed Photovisual Magnitude | 5.1 |
| Observed Photographic Magnitude | 5.4 |
| Morgan Keenan (MK) Spectral Type | F1III |
| One-Dimensional Spectral Class | F0 |
| Position Angle | |
| Year of Observation | AD |
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