| Identification Data |
| Common Name | |
| Constellation | Hydra |
| Star Name | 29 Hya |
| Skymap Number | 9270041 |
| Henry Draper (HD) Number | 81728 |
| Harvard Revised (HR) Number | 3744 |
| SAO Number | 136861 |
| Durchmusterung (DM) Number | SD-08 2678 |
Washington Double Stars (WDS) Number
| 09272-0913
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 192386 |
| Right Ascension (RA) J2000 | 9h 27m 14.640s |
| Declination (Dec) J2000 | -9° 13' 25.365" |
| Position Uncertainty | 0.0167s |
| Proper Motion in RA (J2000)/cos(Dec) | -0.00116 |
| Proper Motion in Dec (J2000) | -0.003967 |
| Radial Velocity | +030.km s-1 |
| Trigonometric Parallax | +0.00250s |
| Trigonometric Parallax Uncertainty | 0.00146s |
| GCI Unit Vector in X (J2000) | -0.775813 |
| GCI Unit Vector in Y (J2000) | 0.610263 |
| GCI Unit Vector in Z (J2000) | -0.160290 |
| Galactic Longitude | 241.95° |
Galactic Latitude
| 28.63°
|
| Observational Data |
| Observed Visual Magnitude (V) | 6.55 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.005 |
| Observed B Magnitude | 6.58 |
| Observed B-V Colour | +0.027 |
| Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.006 |
| Observed U Magnitude | |
| Observed U-B Colour | |
| Observed U Magnitude or (U-B) Magnitude Uncertainty | |
| Observed Photovisual Magnitude | 6.9 |
| Observed Photographic Magnitude | 6.5 |
| Morgan Keenan (MK) Spectral Type | A2V |
| One-Dimensional Spectral Class | A0 |
| Position Angle | 196 |
| Year of Observation | 1989. AD |
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