| Identification Data |
| Common Name | |
| Constellation | Cygnus |
| Star Name | 57 Cyg |
| Skymap Number | 20530059 |
| Henry Draper (HD) Number | 199081 |
| Harvard Revised (HR) Number | 8001 |
| SAO Number | 50180 |
| Durchmusterung (DM) Number | BD+43 3755 |
Washington Double Stars (WDS) Number
|
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 60622 |
| Right Ascension (RA) J2000 | 20h 53m 14.754s |
| Declination (Dec) J2000 | +44° 23' 14.138" |
| Position Uncertainty | 0.0062s |
| Proper Motion in RA (J2000)/cos(Dec) | +0.00105 |
| Proper Motion in Dec (J2000) | -0.002466 |
| Radial Velocity | -011.9km s-1 |
| Trigonometric Parallax | +0.00651s |
| Trigonometric Parallax Uncertainty | 0.00057s |
| GCI Unit Vector in X (J2000) | 0.490209 |
| GCI Unit Vector in Y (J2000) | -0.519989 |
| GCI Unit Vector in Z (J2000) | 0.699504 |
| Galactic Longitude | 84.91° |
Galactic Latitude
| -0.19°
|
| Observational Data |
| Observed Visual Magnitude (V) | 4.79 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.002 |
| Observed B Magnitude | 4.66 |
| Observed B-V Colour | -0.133 |
| 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 | 4.7 |
| Observed Photographic Magnitude | 4.5 |
| Morgan Keenan (MK) Spectral Type | B5V |
| One-Dimensional Spectral Class | B3 |
| Position Angle | |
| Year of Observation | AD |
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