| Identification Data |
| Common Name | |
| Constellation | Cygnus |
| Star Name | 31 Cyg |
| Skymap Number | 20130155 |
| Henry Draper (HD) Number | 192577 |
| Harvard Revised (HR) Number | 7735 |
| SAO Number | 49337 |
| Durchmusterung (DM) Number | BD+46 2882 |
Washington Double Stars (WDS) Number
| 20136+4644
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 59524 |
| Right Ascension (RA) J2000 | 20h 13m 37.906s |
| Declination (Dec) J2000 | +46° 44' 28.783" |
| Position Uncertainty | 0.0082s |
| Proper Motion in RA (J2000)/cos(Dec) | +0.00041 |
| Proper Motion in Dec (J2000) | +0.001966 |
| Radial Velocity | -006.9km s-1 |
| Trigonometric Parallax | +0.00241s |
| Trigonometric Parallax Uncertainty | 0.00057s |
| GCI Unit Vector in X (J2000) | 0.377320 |
| GCI Unit Vector in Y (J2000) | -0.572063 |
| GCI Unit Vector in Z (J2000) | 0.728267 |
| Galactic Longitude | 82.68° |
Galactic Latitude
| 6.78°
|
| Observational Data |
| Observed Visual Magnitude (V) | 3.81 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.002 |
| Observed B Magnitude | 5.00 |
| Observed B-V Colour | +1.188 |
| 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 | 4.0 |
| Observed Photographic Magnitude | |
| Morgan Keenan (MK) Spectral Type | K2II+B3V |
| One-Dimensional Spectral Class | K0 |
| Position Angle | 173 |
| Year of Observation | 1926. AD |
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