| Identification Data |
| Common Name | |
| Constellation | Cygnus |
| Star Name | 18del Cyg |
| Skymap Number | 19440209 |
| Henry Draper (HD) Number | 186882 |
| Harvard Revised (HR) Number | 7528 |
| SAO Number | 48796 |
| Durchmusterung (DM) Number | BD+44 3234 |
Washington Double Stars (WDS) Number
| 19450+4508
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 58782 |
| Right Ascension (RA) J2000 | 19h 44m 58.477s |
| Declination (Dec) J2000 | +45° 7' 50.915" |
| Position Uncertainty | 0.0056s |
| Proper Motion in RA (J2000)/cos(Dec) | +0.00408 |
| Proper Motion in Dec (J2000) | +0.048467 |
| Radial Velocity | -020.1km s-1 |
| Trigonometric Parallax | +0.01907s |
| Trigonometric Parallax Uncertainty | 0.00045s |
| GCI Unit Vector in X (J2000) | 0.311960 |
| GCI Unit Vector in Y (J2000) | -0.632770 |
| GCI Unit Vector in Z (J2000) | 0.708719 |
| Galactic Longitude | 78.71° |
Galactic Latitude
| 10.24°
|
| Observational Data |
| Observed Visual Magnitude (V) | 2.91 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.003 |
| Observed B Magnitude | 2.89 |
| Observed B-V Colour | -0.022 |
| 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 | 3.0 |
| Observed Photographic Magnitude | 3.0 |
| Morgan Keenan (MK) Spectral Type | B9.5IV+F1V |
| One-Dimensional Spectral Class | A0 |
| Position Angle | 229 |
| Year of Observation | 1990. AD |
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