| Identification Data |
| Common Name | Sadr |
| Constellation | Cygnus |
| Star Name | 37gam Cyg |
| Skymap Number | 20220059 |
| Henry Draper (HD) Number | 194093 |
| Harvard Revised (HR) Number | 7796 |
| SAO Number | 49528 |
| Durchmusterung (DM) Number | BD+39 4159 |
Washington Double Stars (WDS) Number
| 20222+4015
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 59799 |
| Right Ascension (RA) J2000 | 20h 22m 13.701s |
| Declination (Dec) J2000 | +40° 15' 24.045" |
| Position Uncertainty | 0.0053s |
| Proper Motion in RA (J2000)/cos(Dec) | +0.00021 |
| Proper Motion in Dec (J2000) | -0.000966 |
| Radial Velocity | -007.5km s-1 |
| Trigonometric Parallax | +0.00214s |
| Trigonometric Parallax Uncertainty | 0.00051s |
| GCI Unit Vector in X (J2000) | 0.443786 |
| GCI Unit Vector in Y (J2000) | -0.620856 |
| GCI Unit Vector in Z (J2000) | 0.646213 |
| Galactic Longitude | 78.15° |
Galactic Latitude
| 1.87°
|
| Observational Data |
| Observed Visual Magnitude (V) | 2.23 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.003 |
| Observed B Magnitude | 2.92 |
| Observed B-V Colour | +0.690 |
| 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 | 2.3 |
| Observed Photographic Magnitude | |
| Morgan Keenan (MK) Spectral Type | F8Ib |
| One-Dimensional Spectral Class | F8 |
| Position Angle | 196 |
| Year of Observation | 1923. AD |
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