| Identification Data |
| Common Name | Becrux |
| Constellation | Crux |
| Star Name | bet Cru |
| Skymap Number | 12470099 |
| Henry Draper (HD) Number | 111123 |
| Harvard Revised (HR) Number | 4853 |
| SAO Number | 240259 |
| Durchmusterung (DM) Number | CP-59 4451 |
Washington Double Stars (WDS) Number
| 12477-5941
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 341305 |
| Right Ascension (RA) J2000 | 12h 47m 43.263s |
| Declination (Dec) J2000 | -59° 41' 19.549" |
| Position Uncertainty | 0.0062s |
| Proper Motion in RA (J2000)/cos(Dec) | -0.00637 |
| Proper Motion in Dec (J2000) | -0.012866 |
| Radial Velocity | +015.6km s-1 |
| Trigonometric Parallax | +0.00925s |
| Trigonometric Parallax Uncertainty | 0.00061s |
| GCI Unit Vector in X (J2000) | -0.493795 |
| GCI Unit Vector in Y (J2000) | -0.104331 |
| GCI Unit Vector in Z (J2000) | -0.863297 |
| Galactic Longitude | 302.47° |
Galactic Latitude
| 3.18°
|
| Observational Data |
| Observed Visual Magnitude (V) | 1.31 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.006 |
| Observed B Magnitude | 1.15 |
| Observed B-V Colour | -0.158 |
| Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.009 |
| Observed U Magnitude | |
| Observed U-B Colour | |
| Observed U Magnitude or (U-B) Magnitude Uncertainty | |
| Observed Photovisual Magnitude | 1.5 |
| Observed Photographic Magnitude | 1.3 |
| Morgan Keenan (MK) Spectral Type | B0.5III |
| One-Dimensional Spectral Class | B1 |
| Position Angle | 322 |
| Year of Observation | 1901. AD |
