| Identification Data |
| Common Name | |
| Constellation | Hercules |
| Star Name | 2 Her |
| Skymap Number | 15540080 |
| Henry Draper (HD) Number | 142780 |
| Harvard Revised (HR) Number | 5932 |
| SAO Number | 45788 |
| Durchmusterung (DM) Number | BD+43 2542 |
Washington Double Stars (WDS) Number
|
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 55040 |
| Right Ascension (RA) J2000 | 15h 54m 37.850s |
| Declination (Dec) J2000 | +43° 8' 18.842" |
| Position Uncertainty | 0.0067s |
| Proper Motion in RA (J2000)/cos(Dec) | -0.00304 |
| Proper Motion in Dec (J2000) | +0.066166 |
| Radial Velocity | -010.3km s-1 |
| Trigonometric Parallax | +0.00521s |
| Trigonometric Parallax Uncertainty | 0.00055s |
| GCI Unit Vector in X (J2000) | -0.379554 |
| GCI Unit Vector in Y (J2000) | -0.623220 |
| GCI Unit Vector in Z (J2000) | 0.683765 |
| Galactic Longitude | 68.67° |
Galactic Latitude
| 49.87°
|
| Observational Data |
| Observed Visual Magnitude (V) | 5.36 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.003 |
| Observed B Magnitude | 7.00 |
| Observed B-V Colour | +1.636 |
| Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.006 |
| Observed U Magnitude | |
| Observed U-B Colour | |
| Observed U Magnitude or (U-B) Magnitude Uncertainty | |
| Observed Photovisual Magnitude | 5.5 |
| Observed Photographic Magnitude | 7.3 |
| Morgan Keenan (MK) Spectral Type | M3-III |
| One-Dimensional Spectral Class | M0 |
| Position Angle | |
| Year of Observation | AD |
