| Identification Data |
| Common Name | |
| Constellation | Centaurus |
| Star Name | alp2Cen |
| Skymap Number | 14390136 |
| Henry Draper (HD) Number | 128621 |
| Harvard Revised (HR) Number | 5460 |
| SAO Number | 252838 |
| Durchmusterung (DM) Number | CP-60 5483 |
Washington Double Stars (WDS) Number
| 14396-6050
|
| Positional Data |
| Position and Proper Motion (PPM) Number | |
| Right Ascension (RA) J2000 | 14h 39m 35.080s |
| Declination (Dec) J2000 | -60° 50' 13.761" |
| Position Uncertainty | 0.2924s |
| Proper Motion in RA (J2000)/cos(Dec) | -0.49265 |
| Proper Motion in Dec (J2000) | +0.953367 |
| Radial Velocity | -018.1km s-1 |
| Trigonometric Parallax | +0.74221s |
| Trigonometric Parallax Uncertainty | 0.00140s |
| GCI Unit Vector in X (J2000) | -0.373855 |
| GCI Unit Vector in Y (J2000) | -0.312549 |
| GCI Unit Vector in Z (J2000) | -0.873238 |
| Galactic Longitude | 315.78° |
Galactic Latitude
| -0.71°
|
| Observational Data |
| Observed Visual Magnitude (V) | 1.35 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | |
| Observed B Magnitude | 2.25 |
| Observed B-V Colour | +0.900 |
| Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.020 |
| Observed U Magnitude | |
| Observed U-B Colour | |
| Observed U Magnitude or (U-B) Magnitude Uncertainty | |
| Observed Photovisual Magnitude | 1.7 |
| Observed Photographic Magnitude | 2.9 |
| Morgan Keenan (MK) Spectral Type | K1V |
| One-Dimensional Spectral Class | K5 |
| Position Angle | 215 |
| Year of Observation | 1991.19 AD |
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