| Identification Data |
| Common Name | |
| Constellation | Centaurus |
| Star Name | rho Cen |
| Skymap Number | 12110102 |
| Henry Draper (HD) Number | 105937 |
| Harvard Revised (HR) Number | 4638 |
| SAO Number | 239737 |
| Durchmusterung (DM) Number | CD-51 6455 |
Washington Double Stars (WDS) Number
|
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 340769 |
| Right Ascension (RA) J2000 | 12h 11m 39.111s |
| Declination (Dec) J2000 | -52° 22' 6.457" |
| Position Uncertainty | 0.0101s |
| Proper Motion in RA (J2000)/cos(Dec) | -0.00460 |
| Proper Motion in Dec (J2000) | -0.018466 |
| Radial Velocity | +015.0km s-1 |
| Trigonometric Parallax | +0.00953s |
| Trigonometric Parallax Uncertainty | 0.00073s |
| GCI Unit Vector in X (J2000) | -0.609792 |
| GCI Unit Vector in Y (J2000) | -0.031029 |
| GCI Unit Vector in Z (J2000) | -0.791954 |
| Galactic Longitude | 296.79° |
Galactic Latitude
| 10.03°
|
| Observational Data |
| Observed Visual Magnitude (V) | 3.96 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.002 |
| Observed B Magnitude | 3.81 |
| Observed B-V Colour | -0.147 |
| 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 | 3.8 |
| Observed Photographic Magnitude | 4.0 |
| Morgan Keenan (MK) Spectral Type | B3V |
| One-Dimensional Spectral Class | B3 |
| Position Angle | |
| Year of Observation | AD |
