| Identification Data |
| Common Name | Ascella |
| Constellation | Saggitarius |
| Star Name | 38zet Sgr |
| Skymap Number | 19020136 |
| Henry Draper (HD) Number | 176687 |
| Harvard Revised (HR) Number | 7194 |
| SAO Number | 187600 |
| Durchmusterung (DM) Number | CD-3016575 |
Washington Double Stars (WDS) Number
| 19026-2953
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 269230 |
| Right Ascension (RA) J2000 | 19h 2m 36.713s |
| Declination (Dec) J2000 | -29° 52' 48.379" |
| Position Uncertainty | 0.0290s |
| Proper Motion in RA (J2000)/cos(Dec) | -0.00108 |
| Proper Motion in Dec (J2000) | +0.003767 |
| Radial Velocity | +022.0km s-1 |
| Trigonometric Parallax | +0.03661s |
| Trigonometric Parallax Uncertainty | 0.00137s |
| GCI Unit Vector in X (J2000) | 0.233944 |
| GCI Unit Vector in Y (J2000) | -0.834913 |
| GCI Unit Vector in Z (J2000) | -0.498187 |
| Galactic Longitude | 6.85° |
Galactic Latitude
| -15.35°
|
| Observational Data |
| Observed Visual Magnitude (V) | 2.61 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.003 |
| Observed B Magnitude | 2.71 |
| Observed B-V Colour | +0.099 |
| 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 | 2.7 |
| Observed Photographic Magnitude | 2.8 |
| Morgan Keenan (MK) Spectral Type | A2III+A4IV |
| One-Dimensional Spectral Class | A2 |
| Position Angle | |
| Year of Observation | 1994. AD |
