| Identification Data |
| Common Name | |
| Constellation | Ara |
| Star Name | zet Ara |
| Skymap Number | 16580108 |
| Henry Draper (HD) Number | 152786 |
| Harvard Revised (HR) Number | 6285 |
| SAO Number | 244315 |
| Durchmusterung (DM) Number | CP-55 7766 |
Washington Double Stars (WDS) Number
|
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 345563 |
| Right Ascension (RA) J2000 | 16h 58m 37.211s |
| Declination (Dec) J2000 | -55° 59' 24.507" |
| Position Uncertainty | 0.0085s |
| Proper Motion in RA (J2000)/cos(Dec) | -0.00218 |
| Proper Motion in Dec (J2000) | -0.035366 |
| Radial Velocity | -006.0km s-1 |
| Trigonometric Parallax | +0.00568s |
| Trigonometric Parallax Uncertainty | 0.00091s |
| GCI Unit Vector in X (J2000) | -0.148017 |
| GCI Unit Vector in Y (J2000) | -0.539395 |
| GCI Unit Vector in Z (J2000) | -0.828941 |
| Galactic Longitude | 332.81° |
Galactic Latitude
| -8.20°
|
| Observational Data |
| Observed Visual Magnitude (V) | 3.11 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.004 |
| Observed B Magnitude | 4.72 |
| Observed B-V Colour | +1.611 |
| 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 | 3.1 |
| Observed Photographic Magnitude | |
| Morgan Keenan (MK) Spectral Type | K3III |
| One-Dimensional Spectral Class | K5 |
| Position Angle | |
| Year of Observation | AD |
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