| Identification Data |
| Common Name | |
| Constellation | Hercules |
| Star Name | 100 Her |
| Skymap Number | 18070255 |
| Henry Draper (HD) Number | 166045 |
| Harvard Revised (HR) Number | 6781 |
| SAO Number | 85753 |
| Durchmusterung (DM) Number | BD+26 3178 |
Washington Double Stars (WDS) Number
| 18078+2606
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 106809 |
| Right Ascension (RA) J2000 | 18h 7m 49.561s |
| Declination (Dec) J2000 | +26° 6' 4.609" |
| Position Uncertainty | 0.0329s |
| Proper Motion in RA (J2000)/cos(Dec) | -0.00014 |
| Proper Motion in Dec (J2000) | +0.024467 |
| Radial Velocity | -017.0km s-1 |
| Trigonometric Parallax | +0.01427s |
| Trigonometric Parallax Uncertainty | 0.00266s |
| GCI Unit Vector in X (J2000) | 0.030659 |
| GCI Unit Vector in Y (J2000) | -0.897494 |
| GCI Unit Vector in Z (J2000) | 0.439959 |
| Galactic Longitude | 52.54° |
Galactic Latitude
| 20.60°
|
| Observational Data |
| Observed Visual Magnitude (V) | 5.86 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.003 |
| Observed B Magnitude | 6.02 |
| Observed B-V Colour | +0.155 |
| 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 | 5.9 |
| Observed Photographic Magnitude | 6.1 |
| Morgan Keenan (MK) Spectral Type | A3V |
| One-Dimensional Spectral Class | A3 |
| Position Angle | 182 |
| Year of Observation | 1982. AD |
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