| Identification Data | 
| Common Name |  | 
| Constellation | Hydra | 
| Star Name | 26    Hya | 
| Skymap Number | 9190130 | 
| Henry Draper (HD) Number | 80499 | 
| Harvard Revised (HR) Number | 3706 | 
| SAO Number | 155096 | 
| Durchmusterung (DM) Number | SD-11 2609 | 
Washington Double Stars (WDS) Number
  | 09198-1158
  | 
| Positional Data | 
| Position and Proper Motion (PPM) Number | 221371 | 
| Right Ascension (RA) J2000 | 9h 19m 46.382s | 
| Declination (Dec) J2000 | -11° 58' 29.469" | 
| Position Uncertainty | 0.0092s | 
| Proper Motion in RA (J2000)/cos(Dec) | -0.00190 | 
| Proper Motion in Dec (J2000) | +0.012266 | 
| Radial Velocity | -002.0km s-1 | 
| Trigonometric Parallax | +0.01020s | 
| Trigonometric Parallax Uncertainty | 0.00083s | 
| GCI Unit Vector in X (J2000) | -0.748751 | 
| GCI Unit Vector in Y (J2000) | 0.629542 | 
| GCI Unit Vector in Z (J2000) | -0.207482 | 
| Galactic Longitude | 243.11° | 
Galactic Latitude
  | 25.49°
  | 
| Observational Data | 
| Observed Visual Magnitude (V) | 4.78 | 
| Derived Visual Magnitude |  | 
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.002 | 
| Observed B Magnitude | 5.71 | 
| Observed B-V Colour | +0.927 | 
| Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.004 | 
| Observed U Magnitude |  | 
| Observed U-B Colour |  | 
| Observed U Magnitude or (U-B) Magnitude Uncertainty |  | 
| Observed Photovisual Magnitude | 4.1 | 
| Observed Photographic Magnitude | 5.7 | 
| Morgan Keenan (MK) Spectral Type | G8III | 
| One-Dimensional Spectral Class | G5 | 
| Position Angle | 10 | 
| Year of Observation | 1960. AD |