| Identification Data |
| Common Name | Angetenar |
| Constellation | Eridanus |
| Star Name | 2tau2Eri |
| Skymap Number | 2510005 |
| Henry Draper (HD) Number | 17824 |
| Harvard Revised (HR) Number | 850 |
| SAO Number | 168094 |
| Durchmusterung (DM) Number | SD-21 509 |
Washington Double Stars (WDS) Number
| 02510-2100
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 245481 |
| Right Ascension (RA) J2000 | 2h 51m 2.321s |
| Declination (Dec) J2000 | -21° 0' 14.470" |
| Position Uncertainty | 0.0061s |
| Proper Motion in RA (J2000)/cos(Dec) | -0.00279 |
| Proper Motion in Dec (J2000) | -0.016666 |
| Radial Velocity | -008.6km s-1 |
| Trigonometric Parallax | +0.01785s |
| Trigonometric Parallax Uncertainty | 0.00069s |
| GCI Unit Vector in X (J2000) | 0.685424 |
| GCI Unit Vector in Y (J2000) | 0.633814 |
| GCI Unit Vector in Z (J2000) | -0.358433 |
| Galactic Longitude | 206.79° |
Galactic Latitude
| -62.09°
|
| Observational Data |
| Observed Visual Magnitude (V) | 4.77 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.002 |
| Observed B Magnitude | 5.68 |
| Observed B-V Colour | +0.909 |
| 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 | 4.8 |
| Observed Photographic Magnitude | 5.8 |
| Morgan Keenan (MK) Spectral Type | K0III |
| One-Dimensional Spectral Class | K0 |
| Position Angle | 129 |
| Year of Observation | 1904. AD |