| Identification Data |
| Common Name | Marfik |
| Constellation | Hercules |
| Star Name | 7kap Her |
| Skymap Number | 16080010 |
| Henry Draper (HD) Number | 145001 |
| Harvard Revised (HR) Number | 6008 |
| SAO Number | 101951 |
| Durchmusterung (DM) Number | BD+17 2964 |
Washington Double Stars (WDS) Number
| 16081+1703
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 132011 |
| Right Ascension (RA) J2000 | 16h 8m 4.525s |
| Declination (Dec) J2000 | +17° 2' 49.129" |
| Position Uncertainty | 0.0166s |
| Proper Motion in RA (J2000)/cos(Dec) | -0.00239 |
| Proper Motion in Dec (J2000) | -0.005567 |
| Radial Velocity | -009.5km s-1 |
| Trigonometric Parallax | +0.00840s |
| Trigonometric Parallax Uncertainty | 0.00123s |
| GCI Unit Vector in X (J2000) | -0.448567 |
| GCI Unit Vector in Y (J2000) | -0.844303 |
| GCI Unit Vector in Z (J2000) | 0.293156 |
| Galactic Longitude | 31.02° |
Galactic Latitude
| 43.64°
|
| Observational Data |
| Observed Visual Magnitude (V) | 5.00 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.003 |
| Observed B Magnitude | 5.93 |
| Observed B-V Colour | +0.926 |
| 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 | 5.3 |
| Observed Photographic Magnitude | |
| Morgan Keenan (MK) Spectral Type | G8III |
| One-Dimensional Spectral Class | G5 |
| Position Angle | 13 |
| Year of Observation | 1985. AD |
