| Identification Data |
| Common Name | Hamal |
| Constellation | Aries |
| Star Name | 13alp Ari |
| Skymap Number | 2070029 |
| Henry Draper (HD) Number | 12929 |
| Harvard Revised (HR) Number | 617 |
| SAO Number | 75151 |
| Durchmusterung (DM) Number | BD+22 306 |
Washington Double Stars (WDS) Number
|
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 91373 |
| Right Ascension (RA) J2000 | 2h 7m 10.407s |
| Declination (Dec) J2000 | +23° 27' 44.723" |
| Position Uncertainty | 0.0112s |
| Proper Motion in RA (J2000)/cos(Dec) | +0.01386 |
| Proper Motion in Dec (J2000) | -0.145866 |
| Radial Velocity | -014.3km s-1 |
| Trigonometric Parallax | +0.04948s |
| Trigonometric Parallax Uncertainty | 0.00099s |
| GCI Unit Vector in X (J2000) | 0.779681 |
| GCI Unit Vector in Y (J2000) | 0.483298 |
| GCI Unit Vector in Z (J2000) | 0.398148 |
| Galactic Longitude | 144.58° |
Galactic Latitude
| -36.20°
|
| Observational Data |
| Observed Visual Magnitude (V) | 2.02 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.004 |
| Observed B Magnitude | 3.18 |
| Observed B-V Colour | +1.160 |
| Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.004 |
| Observed U Magnitude | |
| Observed U-B Colour | |
| Observed U Magnitude or (U-B) Magnitude Uncertainty | |
| Observed Photovisual Magnitude | 2.2 |
| Observed Photographic Magnitude | |
| Morgan Keenan (MK) Spectral Type | K2-IIIabCa-1 |
| One-Dimensional Spectral Class | K2 |
| Position Angle | |
| Year of Observation | AD |
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