| Identification Data |
| Common Name | |
| Constellation | Hydra |
| Star Name | omi Hya |
| Skymap Number | 11400029 |
| Henry Draper (HD) Number | 101431 |
| Harvard Revised (HR) Number | 4494 |
| SAO Number | 202695 |
| Durchmusterung (DM) Number | CD-34 7610 |
Washington Double Stars (WDS) Number
|
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 289215 |
| Right Ascension (RA) J2000 | 11h 40m 12.789s |
| Declination (Dec) J2000 | -34° 44' 40.775" |
| Position Uncertainty | 0.0068s |
| Proper Motion in RA (J2000)/cos(Dec) | -0.00357 |
| Proper Motion in Dec (J2000) | -0.001866 |
| Radial Velocity | +005.9km s-1 |
| Trigonometric Parallax | +0.00659s |
| Trigonometric Parallax Uncertainty | 0.00071s |
| GCI Unit Vector in X (J2000) | -0.818639 |
| GCI Unit Vector in Y (J2000) | 0.070855 |
| GCI Unit Vector in Z (J2000) | -0.569920 |
| Galactic Longitude | 286.72° |
Galactic Latitude
| 25.87°
|
| Observational Data |
| Observed Visual Magnitude (V) | 4.70 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.003 |
| Observed B Magnitude | 4.63 |
| Observed B-V Colour | -0.074 |
| 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 | 4.9 |
| Observed Photographic Magnitude | 4.9 |
| Morgan Keenan (MK) Spectral Type | B9V |
| One-Dimensional Spectral Class | B8 |
| Position Angle | |
| Year of Observation | AD |
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