| Identification Data |
| Common Name | |
| Constellation | Ara |
| Star Name | pi Ara |
| Skymap Number | 17380016 |
| Henry Draper (HD) Number | 159492 |
| Harvard Revised (HR) Number | 6549 |
| SAO Number | 244896 |
| Durchmusterung (DM) Number | CP-54 8403 |
Washington Double Stars (WDS) Number
|
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 346165 |
| Right Ascension (RA) J2000 | 17h 38m 5.516s |
| Declination (Dec) J2000 | -54° 30' 1.561" |
| Position Uncertainty | 0.0059s |
| Proper Motion in RA (J2000)/cos(Dec) | -0.00570 |
| Proper Motion in Dec (J2000) | -0.149566 |
| Radial Velocity | -003.3km s-1 |
| Trigonometric Parallax | +0.02371s |
| Trigonometric Parallax Uncertainty | 0.00075s |
| GCI Unit Vector in X (J2000) | -0.055425 |
| GCI Unit Vector in Y (J2000) | -0.578046 |
| GCI Unit Vector in Z (J2000) | -0.814120 |
| Galactic Longitude | 337.24° |
Galactic Latitude
| -12.04°
|
| Observational Data |
| Observed Visual Magnitude (V) | 5.25 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.002 |
| Observed B Magnitude | 5.45 |
| Observed B-V Colour | +0.198 |
| 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 | 5.2 |
| Observed Photographic Magnitude | |
| Morgan Keenan (MK) Spectral Type | A5IV-V |
| One-Dimensional Spectral Class | A3 |
| Position Angle | |
| Year of Observation | AD |
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