| Identification Data |
| Common Name | |
| Constellation | Mensa |
| Star Name | zet Men |
| Skymap Number | 6400007 |
| Henry Draper (HD) Number | 50506 |
| Harvard Revised (HR) Number | 2559 |
| SAO Number | 258451 |
| Durchmusterung (DM) Number | CP-80 196 |
Washington Double Stars (WDS) Number
|
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 376703 |
| Right Ascension (RA) J2000 | 6h 40m 2.890s |
| Declination (Dec) J2000 | -80° 48' 48.933" |
| Position Uncertainty | 0.0066s |
| Proper Motion in RA (J2000)/cos(Dec) | -0.00212 |
| Proper Motion in Dec (J2000) | +0.053466 |
| Radial Velocity | +007.0km s-1 |
| Trigonometric Parallax | +0.00807s |
| Trigonometric Parallax Uncertainty | 0.00047s |
| GCI Unit Vector in X (J2000) | -0.027755 |
| GCI Unit Vector in Y (J2000) | 0.157216 |
| GCI Unit Vector in Z (J2000) | -0.987174 |
| Galactic Longitude | 292.61° |
Galactic Latitude
| -27.21°
|
| Observational Data |
| Observed Visual Magnitude (V) | 5.61 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.003 |
| Observed B Magnitude | 5.82 |
| Observed B-V Colour | +0.205 |
| 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 | 5.6 |
| Observed Photographic Magnitude | |
| Morgan Keenan (MK) Spectral Type | A5III |
| One-Dimensional Spectral Class | A2 |
| Position Angle | |
| Year of Observation | AD |
