| Identification Data |
| Common Name | |
| Constellation | Crux |
| Star Name | del Cru |
| Skymap Number | 12150021 |
| Henry Draper (HD) Number | 106490 |
| Harvard Revised (HR) Number | 4656 |
| SAO Number | 239791 |
| Durchmusterung (DM) Number | CP-58 4189 |
Washington Double Stars (WDS) Number
|
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 340824 |
| Right Ascension (RA) J2000 | 12h 15m 8.715s |
| Declination (Dec) J2000 | -58° 44' 56.140" |
| Position Uncertainty | 0.0057s |
| Proper Motion in RA (J2000)/cos(Dec) | -0.00471 |
| Proper Motion in Dec (J2000) | -0.010766 |
| Radial Velocity | +022.2km s-1 |
| Trigonometric Parallax | +0.00896s |
| Trigonometric Parallax Uncertainty | 0.00060s |
| GCI Unit Vector in X (J2000) | -0.517657 |
| GCI Unit Vector in Y (J2000) | -0.034259 |
| GCI Unit Vector in Z (J2000) | -0.854902 |
| Galactic Longitude | 298.23° |
Galactic Latitude
| 3.79°
|
| Observational Data |
| Observed Visual Magnitude (V) | 2.79 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.002 |
| Observed B Magnitude | 2.60 |
| Observed B-V Colour | -0.194 |
| 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 | 3.1 |
| Observed Photographic Magnitude | 2.9 |
| Morgan Keenan (MK) Spectral Type | B2IV |
| One-Dimensional Spectral Class | B3 |
| Position Angle | |
| Year of Observation | AD |
