| Identification Data |
| Common Name | |
| Constellation | Hydra |
| Star Name | 6 Hya |
| Skymap Number | 8400006 |
| Henry Draper (HD) Number | 73840 |
| Harvard Revised (HR) Number | 3431 |
| SAO Number | 154515 |
| Durchmusterung (DM) Number | SD-11 2420 |
Washington Double Stars (WDS) Number
|
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 220446 |
| Right Ascension (RA) J2000 | 8h 40m 1.471s |
| Declination (Dec) J2000 | -12° 28' 31.340" |
| Position Uncertainty | 0.0085s |
| Proper Motion in RA (J2000)/cos(Dec) | -0.00545 |
| Proper Motion in Dec (J2000) | +0.000966 |
| Radial Velocity | -010.6km s-1 |
| Trigonometric Parallax | +0.00778s |
| Trigonometric Parallax Uncertainty | 0.00082s |
| GCI Unit Vector in X (J2000) | -0.627691 |
| GCI Unit Vector in Y (J2000) | 0.747890 |
| GCI Unit Vector in Z (J2000) | -0.216020 |
| Galactic Longitude | 237.41° |
Galactic Latitude
| 17.34°
|
| Observational Data |
| Observed Visual Magnitude (V) | 4.97 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.003 |
| Observed B Magnitude | 6.38 |
| Observed B-V Colour | +1.409 |
| Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.005 |
| Observed U Magnitude | |
| Observed U-B Colour | |
| Observed U Magnitude or (U-B) Magnitude Uncertainty | |
| Observed Photovisual Magnitude | 5.2 |
| Observed Photographic Magnitude | 6.2 |
| Morgan Keenan (MK) Spectral Type | K4III |
| One-Dimensional Spectral Class | K2 |
| Position Angle | |
| Year of Observation | AD |
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