Identification Data |
Common Name | |
Constellation | Sculptor |
Star Name | tau Scl |
Skymap Number | 1360015 |
Henry Draper (HD) Number | 9906 |
Harvard Revised (HR) Number | 462 |
SAO Number | 193201 |
Durchmusterung (DM) Number | CD-30 540 |
Washington Double Stars (WDS) Number
| 01361-2954
|
Positional Data |
Position and Proper Motion (PPM) Number | 244126 |
Right Ascension (RA) J2000 | 1h 36m 8.509s |
Declination (Dec) J2000 | -29° 54' 26.341" |
Position Uncertainty | 0.0104s |
Proper Motion in RA (J2000)/cos(Dec) | +0.00920 |
Proper Motion in Dec (J2000) | +0.048067 |
Radial Velocity | +005.0km s-1 |
Trigonometric Parallax | +0.01613s |
Trigonometric Parallax Uncertainty | 0.00097s |
GCI Unit Vector in X (J2000) | 0.791673 |
GCI Unit Vector in Y (J2000) | 0.353063 |
GCI Unit Vector in Z (J2000) | -0.498598 |
Galactic Longitude | 231.34° |
Galactic Latitude
| -79.80°
|
Observational Data |
Observed Visual Magnitude (V) | 5.70 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.006 |
Observed B Magnitude | 6.04 |
Observed B-V Colour | +0.344 |
Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.008 |
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 | F2V |
One-Dimensional Spectral Class | F0 |
Position Angle | 154 |
Year of Observation | 1991. AD |