Identification Data |
Common Name | |
Constellation | Hydra |
Star Name | 26 Hya |
Skymap Number | 9190130 |
Henry Draper (HD) Number | 80499 |
Harvard Revised (HR) Number | 3706 |
SAO Number | 155096 |
Durchmusterung (DM) Number | SD-11 2609 |
Washington Double Stars (WDS) Number
| 09198-1158
|
Positional Data |
Position and Proper Motion (PPM) Number | 221371 |
Right Ascension (RA) J2000 | 9h 19m 46.382s |
Declination (Dec) J2000 | -11° 58' 29.469" |
Position Uncertainty | 0.0092s |
Proper Motion in RA (J2000)/cos(Dec) | -0.00190 |
Proper Motion in Dec (J2000) | +0.012266 |
Radial Velocity | -002.0km s-1 |
Trigonometric Parallax | +0.01020s |
Trigonometric Parallax Uncertainty | 0.00083s |
GCI Unit Vector in X (J2000) | -0.748751 |
GCI Unit Vector in Y (J2000) | 0.629542 |
GCI Unit Vector in Z (J2000) | -0.207482 |
Galactic Longitude | 243.11° |
Galactic Latitude
| 25.49°
|
Observational Data |
Observed Visual Magnitude (V) | 4.78 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.002 |
Observed B Magnitude | 5.71 |
Observed B-V Colour | +0.927 |
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 | 4.1 |
Observed Photographic Magnitude | 5.7 |
Morgan Keenan (MK) Spectral Type | G8III |
One-Dimensional Spectral Class | G5 |
Position Angle | 10 |
Year of Observation | 1960. AD |