| Identification Data |
| Common Name | |
| Constellation | Apus |
| Star Name | bet Aps |
| Skymap Number | 16430037 |
| Henry Draper (HD) Number | 149324 |
| Harvard Revised (HR) Number | 6163 |
| SAO Number | 257424 |
| Durchmusterung (DM) Number | CP-77 1221 |
Washington Double Stars (WDS) Number
| 16431-7731
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 373182 |
| Right Ascension (RA) J2000 | 16h 43m 4.656s |
| Declination (Dec) J2000 | -77° 31' 2.765" |
| Position Uncertainty | 0.0052s |
| Proper Motion in RA (J2000)/cos(Dec) | -0.08724 |
| Proper Motion in Dec (J2000) | -0.355066 |
| Radial Velocity | -030.3km s-1 |
| Trigonometric Parallax | +0.02069s |
| Trigonometric Parallax Uncertainty | 0.00051s |
| GCI Unit Vector in X (J2000) | -0.071191 |
| GCI Unit Vector in Y (J2000) | -0.204082 |
| GCI Unit Vector in Z (J2000) | -0.976362 |
| Galactic Longitude | 314.18° |
Galactic Latitude
| -20.06°
|
| Observational Data |
| Observed Visual Magnitude (V) | 4.23 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.002 |
| Observed B Magnitude | 5.29 |
| Observed B-V Colour | +1.064 |
| 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 | 4.2 |
| Observed Photographic Magnitude | |
| Morgan Keenan (MK) Spectral Type | K0III |
| One-Dimensional Spectral Class | K0 |
| Position Angle | 58 |
| Year of Observation | 1983. AD |
