Identification Data |
Common Name | |
Constellation | Hydra |
Star Name | 59 Hya |
Skymap Number | 14580104 |
Henry Draper (HD) Number | 132219 |
Harvard Revised (HR) Number | 5577 |
SAO Number | 183058 |
Durchmusterung (DM) Number | CD-2710148 |
Washington Double Stars (WDS) Number
| 14587-2739
|
Positional Data |
Position and Proper Motion (PPM) Number | 263634 |
Right Ascension (RA) J2000 | 14h 58m 39.254s |
Declination (Dec) J2000 | -27° 39' 26.330" |
Position Uncertainty | 0.0169s |
Proper Motion in RA (J2000)/cos(Dec) | -0.00358 |
Proper Motion in Dec (J2000) | -0.008667 |
Radial Velocity | -015.5km s-1 |
Trigonometric Parallax | +0.00932s |
Trigonometric Parallax Uncertainty | 0.00142s |
GCI Unit Vector in X (J2000) | -0.629979 |
GCI Unit Vector in Y (J2000) | -0.622624 |
GCI Unit Vector in Z (J2000) | -0.464182 |
Galactic Longitude | 334.62° |
Galactic Latitude
| 27.28°
|
Observational Data |
Observed Visual Magnitude (V) | 5.67 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.005 |
Observed B Magnitude | 5.94 |
Observed B-V Colour | +0.265 |
Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.007 |
Observed U Magnitude | |
Observed U-B Colour | |
Observed U Magnitude or (U-B) Magnitude Uncertainty | |
Observed Photovisual Magnitude | 5.7 |
Observed Photographic Magnitude | |
Morgan Keenan (MK) Spectral Type | A4V+A6V |
One-Dimensional Spectral Class | A5 |
Position Angle | 354 |
Year of Observation | 1991. AD |