| WDS ID | 01535+1918 |
| Common catalogue ID | STF 180 |
| Components | AB |
| Other Designation | 5 gam Ari (Mesarthim) |
| Position angle | 1 |
| Separation | 7.1 |
| Mag First | 4.52 |
| Mag Second | 4.58 |
| Delta mag | 0.06 |
| Spectral Type | A1pSi+B9V |
| Constellation | Aries |
| RA | 01:53:31.8 |
| Dec | +19:17:38.6 |