| Identification Data |
| Common Name | |
| Constellation | Crux |
| Star Name | lam Cru |
| Skymap Number | 12540099 |
| Henry Draper (HD) Number | 112078 |
| Harvard Revised (HR) Number | 4897 |
| SAO Number | 240368 |
| Durchmusterung (DM) Number | CP-58 4584 |
Washington Double Stars (WDS) Number
|
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 341414 |
| Right Ascension (RA) J2000 | 12h 54m 39.182s |
| Declination (Dec) J2000 | -59° 8' 48.124" |
| Position Uncertainty | 0.0055s |
| Proper Motion in RA (J2000)/cos(Dec) | -0.00434 |
| Proper Motion in Dec (J2000) | -0.014866 |
| Radial Velocity | +012.0km s-1 |
| Trigonometric Parallax | +0.00906s |
| Trigonometric Parallax Uncertainty | 0.00060s |
| GCI Unit Vector in X (J2000) | -0.498329 |
| GCI Unit Vector in Y (J2000) | -0.121141 |
| GCI Unit Vector in Z (J2000) | -0.858483 |
| Galactic Longitude | 303.35° |
Galactic Latitude
| 3.72°
|
| Observational Data |
| Observed Visual Magnitude (V) | 4.61 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.002 |
| Observed B Magnitude | 4.47 |
| Observed B-V Colour | -0.145 |
| 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 | 4.8 |
| Observed Photographic Magnitude | 4.7 |
| Morgan Keenan (MK) Spectral Type | B4Vne |
| One-Dimensional Spectral Class | B3 |
| Position Angle | |
| Year of Observation | AD |
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