| Identification Data |
| Common Name | |
| Constellation | Hercules |
| Star Name | 99 Her |
| Skymap Number | 18070009 |
| Henry Draper (HD) Number | 165908 |
| Harvard Revised (HR) Number | 6775 |
| SAO Number | 66648 |
| Durchmusterung (DM) Number | BD+30 3128 |
Washington Double Stars (WDS) Number
| 18070+3034
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 80945 |
| Right Ascension (RA) J2000 | 18h 7m 1.539s |
| Declination (Dec) J2000 | +30° 33' 43.703" |
| Position Uncertainty | 0.0059s |
| Proper Motion in RA (J2000)/cos(Dec) | -0.00781 |
| Proper Motion in Dec (J2000) | +0.111767 |
| Radial Velocity | +001.2km s-1 |
| Trigonometric Parallax | +0.06388s |
| Trigonometric Parallax Uncertainty | 0.00055s |
| GCI Unit Vector in X (J2000) | 0.026392 |
| GCI Unit Vector in Y (J2000) | -0.860674 |
| GCI Unit Vector in Z (J2000) | 0.508473 |
| Galactic Longitude | 56.97° |
Galactic Latitude
| 22.30°
|
| Observational Data |
| Observed Visual Magnitude (V) | 5.06 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.002 |
| Observed B Magnitude | 5.58 |
| Observed B-V Colour | +0.518 |
| 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 | 5.2 |
| Observed Photographic Magnitude | 5.7 |
| Morgan Keenan (MK) Spectral Type | F7V |
| One-Dimensional Spectral Class | F8 |
| Position Angle | |
| Year of Observation | 1990. AD |
