| Identification Data |
| Common Name | |
| Constellation | Centaurus |
| Star Name | sig Cen |
| Skymap Number | 12280007 |
| Henry Draper (HD) Number | 108483 |
| Harvard Revised (HR) Number | 4743 |
| SAO Number | 223454 |
| Durchmusterung (DM) Number | CD-49 7115 |
Washington Double Stars (WDS) Number
|
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 341006 |
| Right Ascension (RA) J2000 | 12h 28m 2.382s |
| Declination (Dec) J2000 | -50° 13' 50.286" |
| Position Uncertainty | 0.0069s |
| Proper Motion in RA (J2000)/cos(Dec) | -0.00339 |
| Proper Motion in Dec (J2000) | -0.012466 |
| Radial Velocity | +008.0km s-1 |
| Trigonometric Parallax | +0.00736s |
| Trigonometric Parallax Uncertainty | 0.00067s |
| GCI Unit Vector in X (J2000) | -0.634917 |
| GCI Unit Vector in Y (J2000) | -0.078070 |
| GCI Unit Vector in Z (J2000) | -0.768626 |
| Galactic Longitude | 299.11° |
Galactic Latitude
| 12.47°
|
| Observational Data |
| Observed Visual Magnitude (V) | 3.91 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.002 |
| Observed B Magnitude | 3.73 |
| Observed B-V Colour | -0.184 |
| 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 | 4.2 |
| Observed Photographic Magnitude | 4.0 |
| Morgan Keenan (MK) Spectral Type | B2V |
| One-Dimensional Spectral Class | B3 |
| Position Angle | |
| Year of Observation | AD |
