Identification Data |
Common Name | |
Constellation | Tucana |
Star Name | the Tuc |
Skymap Number | 330048 |
Henry Draper (HD) Number | 3112 |
Harvard Revised (HR) Number | 139 |
SAO Number | 255679 |
Durchmusterung (DM) Number | CP-71 20 |
Washington Double Stars (WDS) Number
|
|
Positional Data |
Position and Proper Motion (PPM) Number | 366965 |
Right Ascension (RA) J2000 | 0h 33m 23.358s |
Declination (Dec) J2000 | -71° 15' 58.487" |
Position Uncertainty | 0.0060s |
Proper Motion in RA (J2000)/cos(Dec) | +0.01526 |
Proper Motion in Dec (J2000) | -0.013066 |
Radial Velocity | +002.3km s-1 |
Trigonometric Parallax | +0.00665s |
Trigonometric Parallax Uncertainty | 0.00052s |
GCI Unit Vector in X (J2000) | 0.317769 |
GCI Unit Vector in Y (J2000) | 0.046626 |
GCI Unit Vector in Z (J2000) | -0.947021 |
Galactic Longitude | 305.01° |
Galactic Latitude
| -45.79°
|
Observational Data |
Observed Visual Magnitude (V) | 6.12 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.004 |
Observed B Magnitude | 6.38 |
Observed B-V Colour | +0.258 |
Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.005 |
Observed U Magnitude | |
Observed U-B Colour | |
Observed U Magnitude or (U-B) Magnitude Uncertainty | |
Observed Photovisual Magnitude | 6.1 |
Observed Photographic Magnitude | |
Morgan Keenan (MK) Spectral Type | A7IV |
One-Dimensional Spectral Class | A5 |
Position Angle | |
Year of Observation | AD |