| Identification Data |
| Common Name | |
| Constellation | Grus |
| Star Name | eta Gru |
| Skymap Number | 22450115 |
| Henry Draper (HD) Number | 215369 |
| Harvard Revised (HR) Number | 8655 |
| SAO Number | 247570 |
| Durchmusterung (DM) Number | CP-5410123 |
Washington Double Stars (WDS) Number
| 22456-5330
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 350499 |
| Right Ascension (RA) J2000 | 22h 45m 37.882s |
| Declination (Dec) J2000 | -53° 30' 0.436" |
| Position Uncertainty | 0.0061s |
| Proper Motion in RA (J2000)/cos(Dec) | +0.00343 |
| Proper Motion in Dec (J2000) | +0.017366 |
| Radial Velocity | +027.8km s-1 |
| Trigonometric Parallax | +0.00827s |
| Trigonometric Parallax Uncertainty | 0.00062s |
| GCI Unit Vector in X (J2000) | 0.563779 |
| GCI Unit Vector in Y (J2000) | -0.189647 |
| GCI Unit Vector in Z (J2000) | -0.803858 |
| Galactic Longitude | 335.60° |
Galactic Latitude
| -54.90°
|
| Observational Data |
| Observed Visual Magnitude (V) | 4.85 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.002 |
| Observed B Magnitude | 6.01 |
| Observed B-V Colour | +1.164 |
| 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 | 4.9 |
| Observed Photographic Magnitude | 5.9 |
| Morgan Keenan (MK) Spectral Type | K2IIICNIV |
| One-Dimensional Spectral Class | K0 |
| Position Angle | 185 |
| Year of Observation | 1936. AD |
