| Identification Data |
| Common Name | |
| Constellation | Tucana |
| Star Name | lam2Tuc |
| Skymap Number | 540108 |
| Henry Draper (HD) Number | 5457 |
| Harvard Revised (HR) Number | 270 |
| SAO Number | 248281 |
| Durchmusterung (DM) Number | CP-70 40 |
Washington Double Stars (WDS) Number
|
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 352090 |
| Right Ascension (RA) J2000 | 0h 55m 0.312s |
| Declination (Dec) J2000 | -69° 31' 37.503" |
| Position Uncertainty | 0.0062s |
| Proper Motion in RA (J2000)/cos(Dec) | +0.00151 |
| Proper Motion in Dec (J2000) | -0.043466 |
| Radial Velocity | +005.1km s-1 |
| Trigonometric Parallax | +0.01552s |
| Trigonometric Parallax Uncertainty | 0.00052s |
| GCI Unit Vector in X (J2000) | 0.339739 |
| GCI Unit Vector in Y (J2000) | 0.083142 |
| GCI Unit Vector in Z (J2000) | -0.936838 |
| Galactic Longitude | 302.47° |
Galactic Latitude
| -47.60°
|
| Observational Data |
| Observed Visual Magnitude (V) | 5.46 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.003 |
| Observed B Magnitude | 6.54 |
| Observed B-V Colour | +1.079 |
| 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 | 5.3 |
| Observed Photographic Magnitude | |
| Morgan Keenan (MK) Spectral Type | K2III |
| One-Dimensional Spectral Class | K0 |
| Position Angle | |
| Year of Observation | AD |
