| Identification Data |
| Common Name | |
| Constellation | Eridanus |
| Star Name | 66 Eri |
| Skymap Number | 5060154 |
| Henry Draper (HD) Number | 32964 |
| Harvard Revised (HR) Number | 1657 |
| SAO Number | 131777 |
| Durchmusterung (DM) Number | SD-04 1044 |
Washington Double Stars (WDS) Number
| 05068-0439
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 187715 |
| Right Ascension (RA) J2000 | 5h 6m 45.652s |
| Declination (Dec) J2000 | -4° 39' 18.587" |
| Position Uncertainty | 0.0090s |
| Proper Motion in RA (J2000)/cos(Dec) | +0.00067 |
| Proper Motion in Dec (J2000) | +0.000066 |
| Radial Velocity | +030.9km s-1 |
| Trigonometric Parallax | +0.01165s |
| Trigonometric Parallax Uncertainty | 0.00073s |
| GCI Unit Vector in X (J2000) | 0.229456 |
| GCI Unit Vector in Y (J2000) | 0.969929 |
| GCI Unit Vector in Z (J2000) | -0.081159 |
| Galactic Longitude | 204.78° |
Galactic Latitude
| -25.35°
|
| Observational Data |
| Observed Visual Magnitude (V) | 5.10 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.003 |
| Observed B Magnitude | 5.05 |
| Observed B-V Colour | -0.050 |
| Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.004 |
| Observed U Magnitude | |
| Observed U-B Colour | |
| Observed U Magnitude or (U-B) Magnitude Uncertainty | |
| Observed Photovisual Magnitude | 5.0 |
| Observed Photographic Magnitude | 5.2 |
| Morgan Keenan (MK) Spectral Type | B9V+A1V |
| One-Dimensional Spectral Class | B9 |
| Position Angle | 10 |
| Year of Observation | 1976. AD |
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