| Identification Data |
| Common Name | Mesarthim |
| Constellation | Aries |
| Star Name | 5gam2Ari |
| Skymap Number | 1530157 |
| Henry Draper (HD) Number | 11502 |
| Harvard Revised (HR) Number | 546 |
| SAO Number | 92681 |
| Durchmusterung (DM) Number | BD+18 243 |
Washington Double Stars (WDS) Number
| 01535+1918
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 400026 |
| Right Ascension (RA) J2000 | 1h 53m 31.814s |
| Declination (Dec) J2000 | +19° 17' 37.866" |
| Position Uncertainty | 0.0110s |
| Proper Motion in RA (J2000)/cos(Dec) | +0.00561 |
| Proper Motion in Dec (J2000) | -0.099167 |
| Radial Velocity | -000.6km s-1 |
| Trigonometric Parallax | +0.01596s |
| Trigonometric Parallax Uncertainty | 0.00085s |
| GCI Unit Vector in X (J2000) | 0.830381 |
| GCI Unit Vector in Y (J2000) | 0.448659 |
| GCI Unit Vector in Z (J2000) | 0.330413 |
| Galactic Longitude | 142.56° |
Galactic Latitude
| -41.20°
|
| Observational Data |
| Observed Visual Magnitude (V) | 3.88 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | |
| Observed B Magnitude | 3.83 |
| Observed B-V Colour | -0.047 |
| Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.005 |
| Observed U Magnitude | |
| Observed U-B Colour | |
| Observed U Magnitude or (U-B) Magnitude Uncertainty | |
| Observed Photovisual Magnitude | 4.8 |
| Observed Photographic Magnitude | 4.8 |
| Morgan Keenan (MK) Spectral Type | A1pSi |
| One-Dimensional Spectral Class | |
| Position Angle | 0 |
| Year of Observation | 1988. AD |
