| Identification Data |
| Common Name | |
| Constellation | Eridanus |
| Star Name | 11tau3Eri |
| Skymap Number | 3020056 |
| Henry Draper (HD) Number | 18978 |
| Harvard Revised (HR) Number | 919 |
| SAO Number | 168249 |
| Durchmusterung (DM) Number | CD-24 1387 |
Washington Double Stars (WDS) Number
|
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 245730 |
| Right Ascension (RA) J2000 | 3h 2m 23.500s |
| Declination (Dec) J2000 | -23° 37' 28.098" |
| Position Uncertainty | 0.0068s |
| Proper Motion in RA (J2000)/cos(Dec) | -0.01062 |
| Proper Motion in Dec (J2000) | -0.055866 |
| Radial Velocity | -009.8km s-1 |
| Trigonometric Parallax | +0.03785s |
| Trigonometric Parallax Uncertainty | 0.00069s |
| GCI Unit Vector in X (J2000) | 0.641050 |
| GCI Unit Vector in Y (J2000) | 0.654571 |
| GCI Unit Vector in Z (J2000) | -0.400740 |
| Galactic Longitude | 213.54° |
Galactic Latitude
| -60.29°
|
| Observational Data |
| Observed Visual Magnitude (V) | 4.09 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.002 |
| Observed B Magnitude | 4.26 |
| Observed B-V Colour | +0.170 |
| 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 | 4.2 |
| Observed Photographic Magnitude | 4.2 |
| Morgan Keenan (MK) Spectral Type | A4IV |
| One-Dimensional Spectral Class | A3 |
| Position Angle | |
| Year of Observation | AD |
