| Identification Data |
| Common Name | |
| Constellation | Centaurus |
| Star Name | pi Cen |
| Skymap Number | 11210002 |
| Henry Draper (HD) Number | 98718 |
| Harvard Revised (HR) Number | 4390 |
| SAO Number | 238986 |
| Durchmusterung (DM) Number | CP-53 4498 |
Washington Double Stars (WDS) Number
| 11210-5429
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 339993 |
| Right Ascension (RA) J2000 | 11h 21m 0.406s |
| Declination (Dec) J2000 | -54° 29' 27.669" |
| Position Uncertainty | 0.0061s |
| Proper Motion in RA (J2000)/cos(Dec) | -0.00405 |
| Proper Motion in Dec (J2000) | -0.002267 |
| Radial Velocity | +009.4km s-1 |
| Trigonometric Parallax | +0.01015s |
| Trigonometric Parallax Uncertainty | 0.00053s |
| GCI Unit Vector in X (J2000) | -0.572444 |
| GCI Unit Vector in Y (J2000) | 0.098346 |
| GCI Unit Vector in Z (J2000) | -0.814024 |
| Galactic Longitude | 289.96° |
Galactic Latitude
| 6.09°
|
| Observational Data |
| Observed Visual Magnitude (V) | 3.89 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.002 |
| Observed B Magnitude | 3.75 |
| Observed B-V Colour | -0.145 |
| Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.002 |
| Observed U Magnitude | |
| Observed U-B Colour | |
| Observed U Magnitude or (U-B) Magnitude Uncertainty | |
| Observed Photovisual Magnitude | 4.3 |
| Observed Photographic Magnitude | 4.1 |
| Morgan Keenan (MK) Spectral Type | B5Vn |
| One-Dimensional Spectral Class | B5 |
| Position Angle | |
| Year of Observation | 1994. AD |
