| Identification Data |
| Common Name | |
| Constellation | Saggitarius |
| Star Name | eta Sgr |
| Skymap Number | 18060246 |
| Henry Draper (HD) Number | 167618 |
| Harvard Revised (HR) Number | 6832 |
| SAO Number | 209957 |
| Durchmusterung (DM) Number | CD-3612423 |
Washington Double Stars (WDS) Number
| 18176-3646
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 297508 |
| Right Ascension (RA) J2000 | 18h 17m 37.635s |
| Declination (Dec) J2000 | -36° 45' 42.070" |
| Position Uncertainty | 0.0106s |
| Proper Motion in RA (J2000)/cos(Dec) | -0.01076 |
| Proper Motion in Dec (J2000) | -0.166666 |
| Radial Velocity | +000.5km s-1 |
| Trigonometric Parallax | +0.02187s |
| Trigonometric Parallax Uncertainty | 0.00092s |
| GCI Unit Vector in X (J2000) | 0.061557 |
| GCI Unit Vector in Y (J2000) | -0.798763 |
| GCI Unit Vector in Z (J2000) | -0.598488 |
| Galactic Longitude | 356.44° |
Galactic Latitude
| -9.68°
|
| Observational Data |
| Observed Visual Magnitude (V) | 3.13 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.004 |
| Observed B Magnitude | 4.66 |
| Observed B-V Colour | +1.528 |
| Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.005 |
| Observed U Magnitude | |
| Observed U-B Colour | |
| Observed U Magnitude or (U-B) Magnitude Uncertainty | |
| Observed Photovisual Magnitude | 3.2 |
| Observed Photographic Magnitude | |
| Morgan Keenan (MK) Spectral Type | M3.5III |
| One-Dimensional Spectral Class | M3 |
| Position Angle | 105 |
| Year of Observation | 1977. AD |
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