| Identification Data |
| Common Name | |
| Constellation | Triagulum |
| Star Name | eta1TrA |
| Skymap Number | 16410067 |
| Henry Draper (HD) Number | 149671 |
| Harvard Revised (HR) Number | 6172 |
| SAO Number | 253649 |
| Durchmusterung (DM) Number | CP-68 2789 |
Washington Double Stars (WDS) Number
|
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 362256 |
| Right Ascension (RA) J2000 | 16h 41m 23.108s |
| Declination (Dec) J2000 | -68° 17' 46.043" |
| Position Uncertainty | 0.0063s |
| Proper Motion in RA (J2000)/cos(Dec) | -0.00254 |
| Proper Motion in Dec (J2000) | -0.011866 |
| Radial Velocity | -043.0km s-1 |
| Trigonometric Parallax | +0.00474s |
| Trigonometric Parallax Uncertainty | 0.00065s |
| GCI Unit Vector in X (J2000) | -0.124380 |
| GCI Unit Vector in Y (J2000) | -0.348265 |
| GCI Unit Vector in Z (J2000) | -0.929108 |
| Galactic Longitude | 321.71° |
Galactic Latitude
| -14.29°
|
| Observational Data |
| Observed Visual Magnitude (V) | 5.89 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.003 |
| Observed B Magnitude | 5.81 |
| Observed B-V Colour | -0.081 |
| 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 | 6.1 |
| Observed Photographic Magnitude | 5.9 |
| Morgan Keenan (MK) Spectral Type | B7IVe |
| One-Dimensional Spectral Class | B5 |
| Position Angle | |
| Year of Observation | AD |
