| Identification Data |
| Common Name | |
| Constellation | Hercules |
| Star Name | 103omi Her |
| Skymap Number | 18070122 |
| Henry Draper (HD) Number | 166014 |
| Harvard Revised (HR) Number | 6779 |
| SAO Number | 85750 |
| Durchmusterung (DM) Number | BD+28 2925 |
Washington Double Stars (WDS) Number
| 18075+2846
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 106802 |
| Right Ascension (RA) J2000 | 18h 7m 32.550s |
| Declination (Dec) J2000 | +28° 45' 44.959" |
| Position Uncertainty | 0.0059s |
| Proper Motion in RA (J2000)/cos(Dec) | -0.00001 |
| Proper Motion in Dec (J2000) | +0.007566 |
| Radial Velocity | -029.5km s-1 |
| Trigonometric Parallax | +0.00939s |
| Trigonometric Parallax Uncertainty | 0.00057s |
| GCI Unit Vector in X (J2000) | 0.028845 |
| GCI Unit Vector in Y (J2000) | -0.876147 |
| GCI Unit Vector in Z (J2000) | 0.481180 |
| Galactic Longitude | 55.19° |
Galactic Latitude
| 21.59°
|
| Observational Data |
| Observed Visual Magnitude (V) | 3.84 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.002 |
| Observed B Magnitude | 3.82 |
| Observed B-V Colour | -0.018 |
| 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 | 3.8 |
| Observed Photographic Magnitude | |
| Morgan Keenan (MK) Spectral Type | B9.5V |
| One-Dimensional Spectral Class | A0 |
| Position Angle | 107 |
| Year of Observation | 1981. AD |