| Identification Data |
| Common Name | |
| Constellation | Vulpecula |
| Star Name | 28 Vul |
| Skymap Number | 20380120 |
| Henry Draper (HD) Number | 196740 |
| Harvard Revised (HR) Number | 7894 |
| SAO Number | 88945 |
| Durchmusterung (DM) Number | BD+23 4084 |
Washington Double Stars (WDS) Number
|
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 111576 |
| Right Ascension (RA) J2000 | 20h 38m 31.914s |
| Declination (Dec) J2000 | +24° 6' 57.450" |
| Position Uncertainty | 0.0061s |
| Proper Motion in RA (J2000)/cos(Dec) | +0.00073 |
| Proper Motion in Dec (J2000) | -0.007866 |
| Radial Velocity | -022.0km s-1 |
| Trigonometric Parallax | +0.00661s |
| Trigonometric Parallax Uncertainty | 0.00066s |
| GCI Unit Vector in X (J2000) | 0.582195 |
| GCI Unit Vector in Y (J2000) | -0.702928 |
| GCI Unit Vector in Z (J2000) | 0.408585 |
| Galactic Longitude | 67.01° |
Galactic Latitude
| -10.35°
|
| Observational Data |
| Observed Visual Magnitude (V) | 5.06 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.003 |
| Observed B Magnitude | 4.93 |
| Observed B-V Colour | -0.135 |
| Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.004 |
| Observed U Magnitude | |
| Observed U-B Colour | |
| Observed U Magnitude or (U-B) Magnitude Uncertainty | |
| Observed Photovisual Magnitude | 5.0 |
| Observed Photographic Magnitude | 4.9 |
| Morgan Keenan (MK) Spectral Type | B5IV |
| One-Dimensional Spectral Class | B5 |
| Position Angle | |
| Year of Observation | AD |
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