| Identification Data |
| Common Name | |
| Constellation | Eridanus |
| Star Name | iot Eri |
| Skymap Number | 2400099 |
| Henry Draper (HD) Number | 16815 |
| Harvard Revised (HR) Number | 794 |
| SAO Number | 215999 |
| Durchmusterung (DM) Number | CD-40 689 |
Washington Double Stars (WDS) Number
|
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 278212 |
| Right Ascension (RA) J2000 | 2h 40m 40.034s |
| Declination (Dec) J2000 | -39° 51' 19.352" |
| Position Uncertainty | 0.0059s |
| Proper Motion in RA (J2000)/cos(Dec) | +0.01174 |
| Proper Motion in Dec (J2000) | -0.027366 |
| Radial Velocity | -009.3km s-1 |
| Trigonometric Parallax | +0.02242s |
| Trigonometric Parallax Uncertainty | 0.00057s |
| GCI Unit Vector in X (J2000) | 0.586626 |
| GCI Unit Vector in Y (J2000) | 0.495155 |
| GCI Unit Vector in Z (J2000) | -0.640852 |
| Galactic Longitude | 249.29° |
Galactic Latitude
| -64.07°
|
| Observational Data |
| Observed Visual Magnitude (V) | 4.12 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.002 |
| Observed B Magnitude | 5.12 |
| Observed B-V Colour | +1.001 |
| 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 | 4.1 |
| Observed Photographic Magnitude | |
| Morgan Keenan (MK) Spectral Type | K0.5IIIbFe-0.5 |
| One-Dimensional Spectral Class | K0 |
| Position Angle | |
| Year of Observation | AD |
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