Identification Data |
Common Name | |
Constellation | Hydra |
Star Name | 32tau2Hya |
Skymap Number | 9310194 |
Henry Draper (HD) Number | 82446 |
Harvard Revised (HR) Number | 3787 |
SAO Number | 136932 |
Durchmusterung (DM) Number | BD-00 2211 |
Washington Double Stars (WDS) Number
|
|
Positional Data |
Position and Proper Motion (PPM) Number | 177895 |
Right Ascension (RA) J2000 | 9h 31m 58.928s |
Declination (Dec) J2000 | -1° 11' 4.790" |
Position Uncertainty | 0.0116s |
Proper Motion in RA (J2000)/cos(Dec) | -0.00076 |
Proper Motion in Dec (J2000) | -0.003966 |
Radial Velocity | +005.6km s-1 |
Trigonometric Parallax | +0.00711s |
Trigonometric Parallax Uncertainty | 0.00099s |
GCI Unit Vector in X (J2000) | -0.798418 |
GCI Unit Vector in Y (J2000) | 0.601749 |
GCI Unit Vector in Z (J2000) | -0.020675 |
Galactic Longitude | 235.16° |
Galactic Latitude
| 34.34°
|
Observational Data |
Observed Visual Magnitude (V) | 4.55 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.003 |
Observed B Magnitude | 4.66 |
Observed B-V Colour | +0.107 |
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 | 4.5 |
Observed Photographic Magnitude | 4.2 |
Morgan Keenan (MK) Spectral Type | A3V |
One-Dimensional Spectral Class | A3 |
Position Angle | 206 |
Year of Observation | 1994. AD |