| Identification Data |
| Common Name | |
| Constellation | Aquila |
| Star Name | 42 Aql |
| Skymap Number | 19370188 |
| Henry Draper (HD) Number | 185124 |
| Harvard Revised (HR) Number | 7460 |
| SAO Number | 143621 |
| Durchmusterung (DM) Number | SD-04 4861 |
Washington Double Stars (WDS) Number
|
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 203110 |
| Right Ascension (RA) J2000 | 19h 37m 47.317s |
| Declination (Dec) J2000 | -4° 38' 51.504" |
| Position Uncertainty | 0.0078s |
| Proper Motion in RA (J2000)/cos(Dec) | +0.00701 |
| Proper Motion in Dec (J2000) | -0.053666 |
| Radial Velocity | -037.6km s-1 |
| Trigonometric Parallax | +0.03114s |
| Trigonometric Parallax Uncertainty | 0.00086s |
| GCI Unit Vector in X (J2000) | 0.412493 |
| GCI Unit Vector in Y (J2000) | -0.907350 |
| GCI Unit Vector in Z (J2000) | -0.081028 |
| Galactic Longitude | 34.06° |
Galactic Latitude
| -12.42°
|
| Observational Data |
| Observed Visual Magnitude (V) | 5.45 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.003 |
| Observed B Magnitude | 5.88 |
| Observed B-V Colour | +0.430 |
| Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.004 |
| Observed U Magnitude | |
| Observed U-B Colour | |
| Observed U Magnitude or (U-B) Magnitude Uncertainty | |
| Observed Photovisual Magnitude | 5.6 |
| Observed Photographic Magnitude | 5.9 |
| Morgan Keenan (MK) Spectral Type | F3IV |
| One-Dimensional Spectral Class | F2 |
| Position Angle | |
| Year of Observation | AD |