| Identification Data | 
| Common Name |  | 
| Constellation | Hydra | 
| Star Name | 59    Hya | 
| Skymap Number | 14580104 | 
| Henry Draper (HD) Number | 132219 | 
| Harvard Revised (HR) Number | 5577 | 
| SAO Number | 183058 | 
| Durchmusterung (DM) Number | CD-2710148 | 
Washington Double Stars (WDS) Number
  | 14587-2739
  | 
| Positional Data | 
| Position and Proper Motion (PPM) Number | 263634 | 
| Right Ascension (RA) J2000 | 14h 58m 39.254s | 
| Declination (Dec) J2000 | -27° 39' 26.330" | 
| Position Uncertainty | 0.0169s | 
| Proper Motion in RA (J2000)/cos(Dec) | -0.00358 | 
| Proper Motion in Dec (J2000) | -0.008667 | 
| Radial Velocity | -015.5km s-1 | 
| Trigonometric Parallax | +0.00932s | 
| Trigonometric Parallax Uncertainty | 0.00142s | 
| GCI Unit Vector in X (J2000) | -0.629979 | 
| GCI Unit Vector in Y (J2000) | -0.622624 | 
| GCI Unit Vector in Z (J2000) | -0.464182 | 
| Galactic Longitude | 334.62° | 
Galactic Latitude
  | 27.28°
  | 
| Observational Data | 
| Observed Visual Magnitude (V) | 5.67 | 
| Derived Visual Magnitude |  | 
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.005 | 
| Observed B Magnitude | 5.94 | 
| Observed B-V Colour | +0.265 | 
| Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.007 | 
| Observed U Magnitude |  | 
| Observed U-B Colour |  | 
| Observed U Magnitude or (U-B) Magnitude Uncertainty |  | 
| Observed Photovisual Magnitude | 5.7 | 
| Observed Photographic Magnitude |  | 
| Morgan Keenan (MK) Spectral Type | A4V+A6V | 
| One-Dimensional Spectral Class | A5 | 
| Position Angle | 354 | 
| Year of Observation | 1991. AD |