| Identification Data |
| Common Name | |
| Constellation | Cygnus |
| Star Name | 12phi Cyg |
| Skymap Number | 19390100 |
| Henry Draper (HD) Number | 185734 |
| Harvard Revised (HR) Number | 7478 |
| SAO Number | 68637 |
| Durchmusterung (DM) Number | BD+29 3684 |
Washington Double Stars (WDS) Number
| 19394+3009
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 83304 |
| Right Ascension (RA) J2000 | 19h 39m 22.605s |
| Declination (Dec) J2000 | +30° 9' 11.956" |
| Position Uncertainty | 0.0054s |
| Proper Motion in RA (J2000)/cos(Dec) | +0.00015 |
| Proper Motion in Dec (J2000) | +0.036166 |
| Radial Velocity | +005.7km s-1 |
| Trigonometric Parallax | +0.01300s |
| Trigonometric Parallax Uncertainty | 0.00059s |
| GCI Unit Vector in X (J2000) | 0.363299 |
| GCI Unit Vector in Y (J2000) | -0.784661 |
| GCI Unit Vector in Z (J2000) | 0.502316 |
| Galactic Longitude | 64.95° |
Galactic Latitude
| 3.97°
|
| Observational Data |
| Observed Visual Magnitude (V) | 4.68 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.002 |
| Observed B Magnitude | 5.65 |
| Observed B-V Colour | +0.971 |
| 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 | 4.8 |
| Observed Photographic Magnitude | 5.8 |
| Morgan Keenan (MK) Spectral Type | G8III-IV |
| One-Dimensional Spectral Class | K0 |
| Position Angle | 77 |
| Year of Observation | 1981. AD |
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