Identification Data |
Common Name | |
Constellation | Hydra |
Star Name | nu Hya |
Skymap Number | 10490121 |
Henry Draper (HD) Number | 93813 |
Harvard Revised (HR) Number | 4232 |
SAO Number | 156256 |
Durchmusterung (DM) Number | SD-15 3138 |
Washington Double Stars (WDS) Number
|
|
Positional Data |
Position and Proper Motion (PPM) Number | 223512 |
Right Ascension (RA) J2000 | 10h 49m 37.488s |
Declination (Dec) J2000 | -16° 11' 37.134" |
Position Uncertainty | 0.0075s |
Proper Motion in RA (J2000)/cos(Dec) | +0.00644 |
Proper Motion in Dec (J2000) | +0.199066 |
Radial Velocity | -001.2km s-1 |
Trigonometric Parallax | +0.02354s |
Trigonometric Parallax Uncertainty | 0.00081s |
GCI Unit Vector in X (J2000) | -0.915404 |
GCI Unit Vector in Y (J2000) | 0.290274 |
GCI Unit Vector in Z (J2000) | -0.278885 |
Galactic Longitude | 265.06° |
Galactic Latitude
| 37.56°
|
Observational Data |
Observed Visual Magnitude (V) | 3.11 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.002 |
Observed B Magnitude | 4.36 |
Observed B-V Colour | +1.250 |
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 | 3.3 |
Observed Photographic Magnitude | 4.3 |
Morgan Keenan (MK) Spectral Type | K1.5IIIbHdel-0.5 |
One-Dimensional Spectral Class | K0 |
Position Angle | |
Year of Observation | AD |