| Identification Data |
| Common Name | |
| Constellation | Hydra |
| Star Name | 22the Hya |
| Skymap Number | 9140076 |
| Henry Draper (HD) Number | 79469 |
| Harvard Revised (HR) Number | 3665 |
| SAO Number | 117527 |
| Durchmusterung (DM) Number | BD+02 2167 |
Washington Double Stars (WDS) Number
| 09144+0219
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 155592 |
| Right Ascension (RA) J2000 | 9h 14m 21.859s |
| Declination (Dec) J2000 | +2° 18' 51.409" |
| Position Uncertainty | 0.0162s |
| Proper Motion in RA (J2000)/cos(Dec) | +0.00751 |
| Proper Motion in Dec (J2000) | -0.306166 |
| Radial Velocity | -010.0km s-1 |
| Trigonometric Parallax | +0.02534s |
| Trigonometric Parallax Uncertainty | 0.00097s |
| GCI Unit Vector in X (J2000) | -0.749396 |
| GCI Unit Vector in Y (J2000) | 0.660889 |
| GCI Unit Vector in Z (J2000) | 0.040381 |
| Galactic Longitude | 228.78° |
Galactic Latitude
| 32.53°
|
| Observational Data |
| Observed Visual Magnitude (V) | 3.89 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.003 |
| Observed B Magnitude | 3.84 |
| Observed B-V Colour | -0.049 |
| 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 | 3.8 |
| Observed Photographic Magnitude | |
| Morgan Keenan (MK) Spectral Type | B9.5V |
| One-Dimensional Spectral Class | A0 |
| Position Angle | 220 |
| Year of Observation | 1988. AD |
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