| Identification Data |
| Common Name | |
| Constellation | Hercules |
| Star Name | 40zet Her |
| Skymap Number | 16410048 |
| Henry Draper (HD) Number | 150680 |
| Harvard Revised (HR) Number | 6212 |
| SAO Number | 65485 |
| Durchmusterung (DM) Number | BD+31 2884 |
Washington Double Stars (WDS) Number
| 16413+3136
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 79555 |
| Right Ascension (RA) J2000 | 16h 41m 17.160s |
| Declination (Dec) J2000 | +31° 36' 9.812" |
| Position Uncertainty | 0.0078s |
| Proper Motion in RA (J2000)/cos(Dec) | -0.03621 |
| Proper Motion in Dec (J2000) | +0.345167 |
| Radial Velocity | -069.9km s-1 |
| Trigonometric Parallax | +0.09264s |
| Trigonometric Parallax Uncertainty | 0.00060s |
| GCI Unit Vector in X (J2000) | -0.286804 |
| GCI Unit Vector in Y (J2000) | -0.801960 |
| GCI Unit Vector in Z (J2000) | 0.524026 |
| Galactic Longitude | 52.66° |
Galactic Latitude
| 40.28°
|
| Observational Data |
| Observed Visual Magnitude (V) | 2.85 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.003 |
| Observed B Magnitude | 3.50 |
| Observed B-V Colour | +0.651 |
| 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 | 3.6 |
| Morgan Keenan (MK) Spectral Type | G0IV |
| One-Dimensional Spectral Class | G0 |
| Position Angle | |
| Year of Observation | 1993. AD |