| Identification Data |
| Common Name | |
| Constellation | Hydra |
| Star Name | 3 Hya |
| Skymap Number | 8350093 |
| Henry Draper (HD) Number | 72968 |
| Harvard Revised (HR) Number | 3398 |
| SAO Number | 136076 |
| Durchmusterung (DM) Number | SD-07 2540 |
Washington Double Stars (WDS) Number
|
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 191501 |
| Right Ascension (RA) J2000 | 8h 35m 28.198s |
| Declination (Dec) J2000 | -7° 58' 56.250" |
| Position Uncertainty | 0.0086s |
| Proper Motion in RA (J2000)/cos(Dec) | -0.00148 |
| Proper Motion in Dec (J2000) | +0.016166 |
| Radial Velocity | +024.0km s-1 |
| Trigonometric Parallax | +0.01215s |
| Trigonometric Parallax Uncertainty | 0.00085s |
| GCI Unit Vector in X (J2000) | -0.621441 |
| GCI Unit Vector in Y (J2000) | 0.771055 |
| GCI Unit Vector in Z (J2000) | -0.138867 |
| Galactic Longitude | 232.81° |
Galactic Latitude
| 18.85°
|
| Observational Data |
| Observed Visual Magnitude (V) | 5.73 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.004 |
| Observed B Magnitude | 5.72 |
| Observed B-V Colour | -0.010 |
| 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 | 6.2 |
| Observed Photographic Magnitude | 5.7 |
| Morgan Keenan (MK) Spectral Type | A1pSrCrEu |
| One-Dimensional Spectral Class | A2 |
| Position Angle | |
| Year of Observation | AD |
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