| Identification Data |
| Common Name | |
| Constellation | Tucana |
| Star Name | del Tuc |
| Skymap Number | 22270056 |
| Henry Draper (HD) Number | 212581 |
| Harvard Revised (HR) Number | 8540 |
| SAO Number | 255222 |
| Durchmusterung (DM) Number | CP-65 4044 |
Washington Double Stars (WDS) Number
| 22273-6458
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 365805 |
| Right Ascension (RA) J2000 | 22h 27m 19.967s |
| Declination (Dec) J2000 | -64° 57' 58.876" |
| Position Uncertainty | 0.0063s |
| Proper Motion in RA (J2000)/cos(Dec) | +0.01082 |
| Proper Motion in Dec (J2000) | +0.010267 |
| Radial Velocity | +012.0km s-1 |
| Trigonometric Parallax | +0.01221s |
| Trigonometric Parallax Uncertainty | 0.00063s |
| GCI Unit Vector in X (J2000) | 0.389029 |
| GCI Unit Vector in Y (J2000) | -0.166471 |
| GCI Unit Vector in Z (J2000) | -0.906059 |
| Galactic Longitude | 323.87° |
Galactic Latitude
| -45.87°
|
| Observational Data |
| Observed Visual Magnitude (V) | 4.50 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.002 |
| Observed B Magnitude | 4.48 |
| Observed B-V Colour | -0.016 |
| 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 | 4.5 |
| Observed Photographic Magnitude | 4.8 |
| Morgan Keenan (MK) Spectral Type | B9.5V |
| One-Dimensional Spectral Class | B9 |
| Position Angle | 282 |
| Year of Observation | 1978. AD |
