| Identification Data |
| Common Name | |
| Constellation | Cygnus |
| Star Name | 45ome1Cyg |
| Skymap Number | 20300016 |
| Henry Draper (HD) Number | 195556 |
| Harvard Revised (HR) Number | 7844 |
| SAO Number | 49712 |
| Durchmusterung (DM) Number | BD+48 3142 |
Washington Double Stars (WDS) Number
| 20301+4857
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 60032 |
| Right Ascension (RA) J2000 | 20h 30m 3.540s |
| Declination (Dec) J2000 | +48° 57' 5.648" |
| Position Uncertainty | 0.0056s |
| Proper Motion in RA (J2000)/cos(Dec) | +0.00102 |
| Proper Motion in Dec (J2000) | +0.007666 |
| Radial Velocity | -022.km s-1 |
| Trigonometric Parallax | +0.00375s |
| Trigonometric Parallax Uncertainty | 0.00050s |
| GCI Unit Vector in X (J2000) | 0.399906 |
| GCI Unit Vector in Y (J2000) | -0.520890 |
| GCI Unit Vector in Z (J2000) | 0.754155 |
| Galactic Longitude | 86.08° |
Galactic Latitude
| 5.74°
|
| Observational Data |
| Observed Visual Magnitude (V) | 4.95 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.002 |
| Observed B Magnitude | 4.86 |
| Observed B-V Colour | -0.093 |
| Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.002 |
| Observed U Magnitude | |
| Observed U-B Colour | |
| Observed U Magnitude or (U-B) Magnitude Uncertainty | |
| Observed Photovisual Magnitude | 4.9 |
| Observed Photographic Magnitude | |
| Morgan Keenan (MK) Spectral Type | B2.5IV |
| One-Dimensional Spectral Class | B3 |
| Position Angle | 341 |
| Year of Observation | 1935. AD |
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