| Identification Data |
| Common Name | |
| Constellation | Centaurus |
| Star Name | eps Cen |
| Skymap Number | 13390120 |
| Henry Draper (HD) Number | 118716 |
| Harvard Revised (HR) Number | 5132 |
| SAO Number | 241047 |
| Durchmusterung (DM) Number | CP-52 6655 |
Washington Double Stars (WDS) Number
| 13399-5328
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 342130 |
| Right Ascension (RA) J2000 | 13h 39m 53.258s |
| Declination (Dec) J2000 | -53° 27' 59.018" |
| Position Uncertainty | 0.0087s |
| Proper Motion in RA (J2000)/cos(Dec) | -0.00164 |
| Proper Motion in Dec (J2000) | -0.012866 |
| Radial Velocity | +003.0km s-1 |
| Trigonometric Parallax | +0.00868s |
| Trigonometric Parallax Uncertainty | 0.00077s |
| GCI Unit Vector in X (J2000) | -0.539643 |
| GCI Unit Vector in Y (J2000) | -0.251318 |
| GCI Unit Vector in Z (J2000) | -0.803508 |
| Galactic Longitude | 310.20° |
Galactic Latitude
| 8.72°
|
| Observational Data |
| Observed Visual Magnitude (V) | 2.28 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.003 |
| Observed B Magnitude | 2.11 |
| Observed B-V Colour | -0.173 |
| Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.003 |
| Observed U Magnitude | |
| Observed U-B Colour | |
| Observed U Magnitude or (U-B) Magnitude Uncertainty | |
| Observed Photovisual Magnitude | 2.6 |
| Observed Photographic Magnitude | 2.3 |
| Morgan Keenan (MK) Spectral Type | B1III |
| One-Dimensional Spectral Class | B1 |
| Position Angle | 158 |
| Year of Observation | 1967. AD |
