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 |