| Identification Data |
| Common Name | |
| Constellation | Cygnus |
| Star Name | 9 Cyg |
| Skymap Number | 19340218 |
| Henry Draper (HD) Number | 184759 |
| Harvard Revised (HR) Number | 7441 |
| SAO Number | 87385 |
| Durchmusterung (DM) Number | BD+29 3651 |
Washington Double Stars (WDS) Number
| 19348+2928
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 109254 |
| Right Ascension (RA) J2000 | 19h 34m 50.928s |
| Declination (Dec) J2000 | +29° 27' 46.636" |
| Position Uncertainty | 0.0061s |
| Proper Motion in RA (J2000)/cos(Dec) | +0.00116 |
| Proper Motion in Dec (J2000) | +0.017866 |
| Radial Velocity | -015.8km s-1 |
| Trigonometric Parallax | +0.00606s |
| Trigonometric Parallax Uncertainty | 0.00058s |
| GCI Unit Vector in X (J2000) | 0.350135 |
| GCI Unit Vector in Y (J2000) | -0.797169 |
| GCI Unit Vector in Z (J2000) | 0.491861 |
| Galactic Longitude | 63.87° |
Galactic Latitude
| 4.50°
|
| Observational Data |
| Observed Visual Magnitude (V) | 5.41 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.002 |
| Observed B Magnitude | 5.97 |
| Observed B-V Colour | +0.563 |
| 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 | 5.4 |
| Observed Photographic Magnitude | 5.8 |
| Morgan Keenan (MK) Spectral Type | A0V+F8III |
| One-Dimensional Spectral Class | +++ |
| Position Angle | |
| Year of Observation | 1987. AD |
