| Identification Data |
| Common Name | |
| Constellation | Hydra |
| Star Name | 13rho Hya |
| Skymap Number | 8480095 |
| Henry Draper (HD) Number | 75137 |
| Harvard Revised (HR) Number | 3492 |
| SAO Number | 117146 |
| Durchmusterung (DM) Number | BD+06 2040 |
Washington Double Stars (WDS) Number
| 08484+0550
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 155024 |
| Right Ascension (RA) J2000 | 8h 48m 25.970s |
| Declination (Dec) J2000 | +5° 50' 16.125" |
| Position Uncertainty | 0.0113s |
| Proper Motion in RA (J2000)/cos(Dec) | -0.00117 |
| Proper Motion in Dec (J2000) | -0.029866 |
| Radial Velocity | +032.8km s-1 |
| Trigonometric Parallax | +0.00967s |
| Trigonometric Parallax Uncertainty | 0.00100s |
| GCI Unit Vector in X (J2000) | -0.667055 |
| GCI Unit Vector in Y (J2000) | 0.738032 |
| GCI Unit Vector in Z (J2000) | 0.101713 |
| Galactic Longitude | 221.53° |
Galactic Latitude
| 28.62°
|
| Observational Data |
| Observed Visual Magnitude (V) | 4.35 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.003 |
| Observed B Magnitude | 4.33 |
| Observed B-V Colour | -0.018 |
| Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.003 |
| Observed U Magnitude | |
| Observed U-B Colour | |
| Observed U Magnitude or (U-B) Magnitude Uncertainty | |
| Observed Photovisual Magnitude | 4.4 |
| Observed Photographic Magnitude | 4.3 |
| Morgan Keenan (MK) Spectral Type | A0Vn |
| One-Dimensional Spectral Class | A0 |
| Position Angle | 145 |
| Year of Observation | 1935. AD |
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