| Identification Data |
| Common Name | |
| Constellation | Tucana |
| Star Name | the Tuc |
| Skymap Number | 330048 |
| Henry Draper (HD) Number | 3112 |
| Harvard Revised (HR) Number | 139 |
| SAO Number | 255679 |
| Durchmusterung (DM) Number | CP-71 20 |
Washington Double Stars (WDS) Number
|
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 366965 |
| Right Ascension (RA) J2000 | 0h 33m 23.358s |
| Declination (Dec) J2000 | -71° 15' 58.487" |
| Position Uncertainty | 0.0060s |
| Proper Motion in RA (J2000)/cos(Dec) | +0.01526 |
| Proper Motion in Dec (J2000) | -0.013066 |
| Radial Velocity | +002.3km s-1 |
| Trigonometric Parallax | +0.00665s |
| Trigonometric Parallax Uncertainty | 0.00052s |
| GCI Unit Vector in X (J2000) | 0.317769 |
| GCI Unit Vector in Y (J2000) | 0.046626 |
| GCI Unit Vector in Z (J2000) | -0.947021 |
| Galactic Longitude | 305.01° |
Galactic Latitude
| -45.79°
|
| Observational Data |
| Observed Visual Magnitude (V) | 6.12 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.004 |
| Observed B Magnitude | 6.38 |
| Observed B-V Colour | +0.258 |
| Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.005 |
| Observed U Magnitude | |
| Observed U-B Colour | |
| Observed U Magnitude or (U-B) Magnitude Uncertainty | |
| Observed Photovisual Magnitude | 6.1 |
| Observed Photographic Magnitude | |
| Morgan Keenan (MK) Spectral Type | A7IV |
| One-Dimensional Spectral Class | A5 |
| Position Angle | |
| Year of Observation | AD |
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