| Identification Data |
| Common Name | |
| Constellation | Eridanus |
| Star Name | 4 Eri |
| Skymap Number | 2570056 |
| Henry Draper (HD) Number | 18454 |
| Harvard Revised (HR) Number | 883 |
| SAO Number | 168183 |
| Durchmusterung (DM) Number | CD-24 1336 |
Washington Double Stars (WDS) Number
|
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 245622 |
| Right Ascension (RA) J2000 | 2h 57m 23.766s |
| Declination (Dec) J2000 | -23° 51' 43.789" |
| Position Uncertainty | 0.0079s |
| Proper Motion in RA (J2000)/cos(Dec) | +0.00740 |
| Proper Motion in Dec (J2000) | -0.035866 |
| Radial Velocity | +028.8km s-1 |
| Trigonometric Parallax | +0.02054s |
| Trigonometric Parallax Uncertainty | 0.00071s |
| GCI Unit Vector in X (J2000) | 0.653969 |
| GCI Unit Vector in Y (J2000) | 0.639275 |
| GCI Unit Vector in Z (J2000) | -0.404538 |
| Galactic Longitude | 213.46° |
Galactic Latitude
| -61.47°
|
| Observational Data |
| Observed Visual Magnitude (V) | 5.44 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.004 |
| Observed B Magnitude | 5.69 |
| Observed B-V Colour | +0.247 |
| Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.005 |
| Observed U Magnitude | |
| Observed U-B Colour | |
| Observed U Magnitude or (U-B) Magnitude Uncertainty | |
| Observed Photovisual Magnitude | 5.5 |
| Observed Photographic Magnitude | 5.6 |
| Morgan Keenan (MK) Spectral Type | A5V |
| One-Dimensional Spectral Class | A5 |
| Position Angle | |
| Year of Observation | AD |
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