| Identification Data |
| Common Name | |
| Constellation | Aries |
| Star Name | 17eta Ari |
| Skymap Number | 2120097 |
| Henry Draper (HD) Number | 13555 |
| Harvard Revised (HR) Number | 646 |
| SAO Number | 75204 |
| Durchmusterung (DM) Number | BD+20 348 |
Washington Double Stars (WDS) Number
|
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 91445 |
| Right Ascension (RA) J2000 | 2h 12m 48.085s |
| Declination (Dec) J2000 | +21° 12' 39.575" |
| Position Uncertainty | 0.0106s |
| Proper Motion in RA (J2000)/cos(Dec) | +0.01162 |
| Proper Motion in Dec (J2000) | +0.004166 |
| Radial Velocity | +006.0km s-1 |
| Trigonometric Parallax | +0.03319s |
| Trigonometric Parallax Uncertainty | 0.00085s |
| GCI Unit Vector in X (J2000) | 0.780074 |
| GCI Unit Vector in Y (J2000) | 0.510473 |
| GCI Unit Vector in Z (J2000) | 0.361803 |
| Galactic Longitude | 147.15° |
Galactic Latitude
| -37.81°
|
| Observational Data |
| Observed Visual Magnitude (V) | 5.23 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.003 |
| Observed B Magnitude | 5.67 |
| Observed B-V Colour | +0.443 |
| 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 | 5.4 |
| Observed Photographic Magnitude | 5.8 |
| Morgan Keenan (MK) Spectral Type | F5V |
| One-Dimensional Spectral Class | F5 |
| Position Angle | |
| Year of Observation | AD |
