| Identification Data |
| Common Name | |
| Constellation | Apus |
| Star Name | zet Aps |
| Skymap Number | 17220002 |
| Henry Draper (HD) Number | 156277 |
| Harvard Revised (HR) Number | 6417 |
| SAO Number | 253882 |
| Durchmusterung (DM) Number | CP-67 3310 |
Washington Double Stars (WDS) Number
|
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 362645 |
| Right Ascension (RA) J2000 | 17h 21m 59.477s |
| Declination (Dec) J2000 | -67° 46' 14.407" |
| Position Uncertainty | 0.0064s |
| Proper Motion in RA (J2000)/cos(Dec) | -0.00654 |
| Proper Motion in Dec (J2000) | -0.007866 |
| Radial Velocity | +012.6km s-1 |
| Trigonometric Parallax | +0.01046s |
| Trigonometric Parallax Uncertainty | 0.00066s |
| GCI Unit Vector in X (J2000) | -0.062454 |
| GCI Unit Vector in Y (J2000) | -0.373124 |
| GCI Unit Vector in Z (J2000) | -0.925677 |
| Galactic Longitude | 324.41° |
Galactic Latitude
| -17.10°
|
| Observational Data |
| Observed Visual Magnitude (V) | 4.76 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.002 |
| Observed B Magnitude | 5.98 |
| Observed B-V Colour | +1.218 |
| Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.003 |
| Observed U Magnitude | |
| Observed U-B Colour | |
| Observed U Magnitude or (U-B) Magnitude Uncertainty | |
| Observed Photovisual Magnitude | 4.7 |
| Observed Photographic Magnitude | |
| Morgan Keenan (MK) Spectral Type | K2-III |
| One-Dimensional Spectral Class | K2 |
| Position Angle | |
| Year of Observation | AD |
Printer Version