| Identification Data |
| Common Name | |
| Constellation | Crux |
| Star Name | mu 1Cru |
| Skymap Number | 12540090 |
| Henry Draper (HD) Number | 112092 |
| Harvard Revised (HR) Number | 4898 |
| SAO Number | 240366 |
| Durchmusterung (DM) Number | CP-56 5487 |
Washington Double Stars (WDS) Number
| 12546-5710
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 341411 |
| Right Ascension (RA) J2000 | 12h 54m 35.624s |
| Declination (Dec) J2000 | -57° 10' 40.527" |
| Position Uncertainty | 0.0046s |
| Proper Motion in RA (J2000)/cos(Dec) | -0.00375 |
| Proper Motion in Dec (J2000) | -0.013666 |
| Radial Velocity | +013.9km s-1 |
| Trigonometric Parallax | +0.00864s |
| Trigonometric Parallax Uncertainty | 0.00058s |
| GCI Unit Vector in X (J2000) | -0.526726 |
| GCI Unit Vector in Y (J2000) | -0.127900 |
| GCI Unit Vector in Z (J2000) | -0.840358 |
| Galactic Longitude | 303.37° |
Galactic Latitude
| 5.69°
|
| Observational Data |
| Observed Visual Magnitude (V) | 4.00 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.002 |
| Observed B Magnitude | 3.83 |
| Observed B-V Colour | -0.167 |
| 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 | 4.3 |
| Observed Photographic Magnitude | 4.1 |
| Morgan Keenan (MK) Spectral Type | B2IV-V |
| One-Dimensional Spectral Class | B3 |
| Position Angle | 17 |
| Year of Observation | 1980. AD |
