| Identification Data |
| Common Name | |
| Constellation | Hydrus |
| Star Name | nu Hyi |
| Skymap Number | 2500058 |
| Henry Draper (HD) Number | 18293 |
| Harvard Revised (HR) Number | 872 |
| SAO Number | 255929 |
| Durchmusterung (DM) Number | CP-75 204 |
Washington Double Stars (WDS) Number
|
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 367814 |
| Right Ascension (RA) J2000 | 2h 50m 28.460s |
| Declination (Dec) J2000 | -75° 4' 1.010" |
| Position Uncertainty | 0.0058s |
| Proper Motion in RA (J2000)/cos(Dec) | -0.00878 |
| Proper Motion in Dec (J2000) | -0.027266 |
| Radial Velocity | +004.7km s-1 |
| Trigonometric Parallax | +0.00992s |
| Trigonometric Parallax Uncertainty | 0.00048s |
| GCI Unit Vector in X (J2000) | 0.189628 |
| GCI Unit Vector in Y (J2000) | 0.174486 |
| GCI Unit Vector in Z (J2000) | -0.966228 |
| Galactic Longitude | 293.35° |
Galactic Latitude
| -39.77°
|
| Observational Data |
| Observed Visual Magnitude (V) | 4.74 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.003 |
| Observed B Magnitude | 6.08 |
| Observed B-V Colour | +1.337 |
| 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 | 4.7 |
| Observed Photographic Magnitude | |
| Morgan Keenan (MK) Spectral Type | K3III |
| One-Dimensional Spectral Class | K2 |
| Position Angle | |
| Year of Observation | AD |
