| Identification Data |
| Common Name | |
| Constellation | Aries |
| Star Name | 9lam Ari |
| Skymap Number | 1570149 |
| Henry Draper (HD) Number | 11973 |
| Harvard Revised (HR) Number | 569 |
| SAO Number | 75051 |
| Durchmusterung (DM) Number | BD+22 288 |
Washington Double Stars (WDS) Number
| 01579+2336
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 91235 |
| Right Ascension (RA) J2000 | 1h 57m 55.717s |
| Declination (Dec) J2000 | +23° 35' 45.820" |
| Position Uncertainty | 0.0133s |
| Proper Motion in RA (J2000)/cos(Dec) | -0.00666 |
| Proper Motion in Dec (J2000) | -0.014566 |
| Radial Velocity | -001.4km s-1 |
| Trigonometric Parallax | +0.02449s |
| Trigonometric Parallax Uncertainty | 0.00078s |
| GCI Unit Vector in X (J2000) | 0.797726 |
| GCI Unit Vector in Y (J2000) | 0.451004 |
| GCI Unit Vector in Z (J2000) | 0.400286 |
| Galactic Longitude | 142.05° |
Galactic Latitude
| -36.80°
|
| Observational Data |
| Observed Visual Magnitude (V) | 4.77 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.003 |
| Observed B Magnitude | 5.07 |
| Observed B-V Colour | +0.296 |
| 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 | 4.8 |
| Observed Photographic Magnitude | 5.0 |
| Morgan Keenan (MK) Spectral Type | F0V |
| One-Dimensional Spectral Class | A5 |
| Position Angle | 47 |
| Year of Observation | 1972. AD |
