| Identification Data |
| Common Name | Deneb el Okab |
| Constellation | Aquila |
| Star Name | 17zet Aql |
| Skymap Number | 19050094 |
| Henry Draper (HD) Number | 177724 |
| Harvard Revised (HR) Number | 7235 |
| SAO Number | 104461 |
| Durchmusterung (DM) Number | BD+13 3899 |
Washington Double Stars (WDS) Number
| 19054+1352
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 135773 |
| Right Ascension (RA) J2000 | 19h 5m 24.608s |
| Declination (Dec) J2000 | +13° 51' 48.521" |
| Position Uncertainty | 0.0067s |
| Proper Motion in RA (J2000)/cos(Dec) | -0.00048 |
| Proper Motion in Dec (J2000) | -0.095366 |
| Radial Velocity | -025.0km s-1 |
| Trigonometric Parallax | +0.03918s |
| Trigonometric Parallax Uncertainty | 0.00072s |
| GCI Unit Vector in X (J2000) | 0.273345 |
| GCI Unit Vector in Y (J2000) | -0.931595 |
| GCI Unit Vector in Z (J2000) | 0.239609 |
| Galactic Longitude | 46.86° |
Galactic Latitude
| 3.25°
|
| Observational Data |
| Observed Visual Magnitude (V) | 2.99 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.003 |
| Observed B Magnitude | 3.02 |
| Observed B-V Colour | +0.027 |
| 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 | 3.0 |
| Observed Photographic Magnitude | |
| Morgan Keenan (MK) Spectral Type | A0Vn |
| One-Dimensional Spectral Class | A0 |
| Position Angle | 53 |
| Year of Observation | 1934. AD |
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