| Identification Data |
| Common Name | |
| Constellation | Eridanus |
| Star Name | 28tau7Eri |
| Skymap Number | 3470095 |
| Henry Draper (HD) Number | 23878 |
| Harvard Revised (HR) Number | 1181 |
| SAO Number | 168836 |
| Durchmusterung (DM) Number | CD-24 1877 |
Washington Double Stars (WDS) Number
|
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 246698 |
| Right Ascension (RA) J2000 | 3h 47m 39.651s |
| Declination (Dec) J2000 | -23° 52' 28.836" |
| Position Uncertainty | 0.0065s |
| Proper Motion in RA (J2000)/cos(Dec) | +0.00350 |
| Proper Motion in Dec (J2000) | +0.049066 |
| Radial Velocity | +029.0km s-1 |
| Trigonometric Parallax | +0.01198s |
| Trigonometric Parallax Uncertainty | 0.00072s |
| GCI Unit Vector in X (J2000) | 0.499170 |
| GCI Unit Vector in Y (J2000) | 0.766170 |
| GCI Unit Vector in Z (J2000) | -0.404737 |
| Galactic Longitude | 218.37° |
Galactic Latitude
| -50.30°
|
| Observational Data |
| Observed Visual Magnitude (V) | 5.24 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.002 |
| Observed B Magnitude | 5.31 |
| Observed B-V Colour | +0.070 |
| 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 | 5.3 |
| Observed Photographic Magnitude | 5.1 |
| Morgan Keenan (MK) Spectral Type | |
| One-Dimensional Spectral Class | |
| Position Angle | |
| Year of Observation | AD |