| Identification Data |
| Common Name | |
| Constellation | Hydra |
| Star Name | xi Hya |
| Skymap Number | 11330003 |
| Henry Draper (HD) Number | 100407 |
| Harvard Revised (HR) Number | 4450 |
| SAO Number | 202558 |
| Durchmusterung (DM) Number | CD-31 9083 |
Washington Double Stars (WDS) Number
| 11329-3151
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 289049 |
| Right Ascension (RA) J2000 | 11h 33m 0.115s |
| Declination (Dec) J2000 | -31° 51' 27.451" |
| Position Uncertainty | 0.0083s |
| Proper Motion in RA (J2000)/cos(Dec) | -0.01641 |
| Proper Motion in Dec (J2000) | -0.041666 |
| Radial Velocity | -004.6km s-1 |
| Trigonometric Parallax | +0.02523s |
| Trigonometric Parallax Uncertainty | 0.00083s |
| GCI Unit Vector in X (J2000) | -0.843476 |
| GCI Unit Vector in Y (J2000) | 0.099825 |
| GCI Unit Vector in Z (J2000) | -0.527810 |
| Galactic Longitude | 284.09° |
Galactic Latitude
| 28.13°
|
| Observational Data |
| Observed Visual Magnitude (V) | 3.54 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.002 |
| Observed B Magnitude | 4.48 |
| Observed B-V Colour | +0.944 |
| 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 | 3.7 |
| Observed Photographic Magnitude | 4.5 |
| Morgan Keenan (MK) Spectral Type | G7III |
| One-Dimensional Spectral Class | G5 |
| Position Angle | 150 |
| Year of Observation | 1928. AD |
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