| Identification Data |
| Common Name | |
| Constellation | Tucana |
| Star Name | pi Tuc |
| Skymap Number | 200089 |
| Henry Draper (HD) Number | 1685 |
| Harvard Revised (HR) Number | 83 |
| SAO Number | 248167 |
| Durchmusterung (DM) Number | CP-70 12 |
Washington Double Stars (WDS) Number
|
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 351766 |
| Right Ascension (RA) J2000 | 0h 20m 39.036s |
| Declination (Dec) J2000 | -69° 37' 29.687" |
| Position Uncertainty | 0.0058s |
| Proper Motion in RA (J2000)/cos(Dec) | -0.00077 |
| Proper Motion in Dec (J2000) | -0.000666 |
| Radial Velocity | +011.6km s-1 |
| Trigonometric Parallax | +0.01065s |
| Trigonometric Parallax Uncertainty | 0.00051s |
| GCI Unit Vector in X (J2000) | 0.346752 |
| GCI Unit Vector in Y (J2000) | 0.031329 |
| GCI Unit Vector in Z (J2000) | -0.937433 |
| Galactic Longitude | 306.87° |
Galactic Latitude
| -47.27°
|
| Observational Data |
| Observed Visual Magnitude (V) | 5.50 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.003 |
| Observed B Magnitude | 5.46 |
| Observed B-V Colour | -0.042 |
| 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 | 5.4 |
| Observed Photographic Magnitude | 5.4 |
| Morgan Keenan (MK) Spectral Type | B9V |
| One-Dimensional Spectral Class | B9 |
| Position Angle | |
| Year of Observation | AD |
