| Identification Data |
| Common Name | |
| Constellation | Aquila |
| Star Name | 55eta Aql |
| Skymap Number | 19520120 |
| Henry Draper (HD) Number | 187929 |
| Harvard Revised (HR) Number | 7570 |
| SAO Number | 125159 |
| Durchmusterung (DM) Number | BD+00 4337 |
Washington Double Stars (WDS) Number
|
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 168843 |
| Right Ascension (RA) J2000 | 19h 52m 28.367s |
| Declination (Dec) J2000 | +1° 0' 20.378" |
| Position Uncertainty | 0.0119s |
| Proper Motion in RA (J2000)/cos(Dec) | +0.00046 |
| Proper Motion in Dec (J2000) | -0.007366 |
| Radial Velocity | -014.8km s-1 |
| Trigonometric Parallax | +0.00278s |
| Trigonometric Parallax Uncertainty | 0.00091s |
| GCI Unit Vector in X (J2000) | 0.471219 |
| GCI Unit Vector in Y (J2000) | -0.881841 |
| GCI Unit Vector in Z (J2000) | 0.017551 |
| Galactic Longitude | 40.94° |
Galactic Latitude
| -13.07°
|
| Observational Data |
| Observed Visual Magnitude (V) | 3.87 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.040 |
| Observed B Magnitude | 4.63 |
| Observed B-V Colour | +0.764 |
| Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.057 |
| Observed U Magnitude | |
| Observed U-B Colour | |
| Observed U Magnitude or (U-B) Magnitude Uncertainty | |
| Observed Photovisual Magnitude | |
| Observed Photographic Magnitude | |
| Morgan Keenan (MK) Spectral Type | F6Ib |
| One-Dimensional Spectral Class | G0 |
| Position Angle | |
| Year of Observation | AD |
