| Identification Data |
| Common Name | |
| Constellation | Grus |
| Star Name | pi 1Gru |
| Skymap Number | 22220131 |
| Henry Draper (HD) Number | 212087 |
| Harvard Revised (HR) Number | 8521 |
| SAO Number | 231105 |
| Durchmusterung (DM) Number | CD-4614292 |
Washington Double Stars (WDS) Number
| 22227-4557
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 328190 |
| Right Ascension (RA) J2000 | 22h 22m 44.205s |
| Declination (Dec) J2000 | -45° 56' 52.598" |
| Position Uncertainty | 0.0115s |
| Proper Motion in RA (J2000)/cos(Dec) | +0.00267 |
| Proper Motion in Dec (J2000) | -0.010966 |
| Radial Velocity | -020.km s-1 |
| Trigonometric Parallax | +0.00654s |
| Trigonometric Parallax Uncertainty | 0.00101s |
| GCI Unit Vector in X (J2000) | 0.633630 |
| GCI Unit Vector in Y (J2000) | -0.286306 |
| GCI Unit Vector in Z (J2000) | -0.718708 |
| Galactic Longitude | 350.29° |
Galactic Latitude
| -55.16°
|
| Observational Data |
| Observed Visual Magnitude (V) | 6.13 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.004 |
| Observed B Magnitude | 8.35 |
| Observed B-V Colour | +2.222 |
| Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.012 |
| Observed U Magnitude | |
| Observed U-B Colour | |
| Observed U Magnitude or (U-B) Magnitude Uncertainty | |
| Observed Photovisual Magnitude | 6.2 |
| Observed Photographic Magnitude | |
| Morgan Keenan (MK) Spectral Type | S5,7e |
| One-Dimensional Spectral Class | S |
| Position Angle | 201 |
| Year of Observation | 1975. AD |
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