Identification Data |
Common Name | |
Constellation | Lupus |
Star Name | tau2Lup |
Skymap Number | 14260031 |
Henry Draper (HD) Number | 126354 |
Harvard Revised (HR) Number | 5396 |
SAO Number | 224920 |
Durchmusterung (DM) Number | CD-44 9323 |
Washington Double Stars (WDS) Number
| 14262-4523
|
Positional Data |
Position and Proper Motion (PPM) Number | 319522 |
Right Ascension (RA) J2000 | 14h 26m 10.814s |
Declination (Dec) J2000 | -45° 22' 45.418" |
Position Uncertainty | 0.0197s |
Proper Motion in RA (J2000)/cos(Dec) | +0.00136 |
Proper Motion in Dec (J2000) | -0.014267 |
Radial Velocity | -001.2km s-1 |
Trigonometric Parallax | +0.01038s |
Trigonometric Parallax Uncertainty | 0.00072s |
GCI Unit Vector in X (J2000) | -0.564309 |
GCI Unit Vector in Y (J2000) | -0.418254 |
GCI Unit Vector in Z (J2000) | -0.711772 |
Galactic Longitude | 319.87° |
Galactic Latitude
| 14.35°
|
Observational Data |
Observed Visual Magnitude (V) | 4.35 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.002 |
Observed B Magnitude | 4.78 |
Observed B-V Colour | +0.431 |
Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.003 |
Observed U Magnitude | |
Observed U-B Colour | |
Observed U Magnitude or (U-B) Magnitude Uncertainty | |
Observed Photovisual Magnitude | 4.0 |
Observed Photographic Magnitude | 5.0 |
Morgan Keenan (MK) Spectral Type | F4IV+A7: |
One-Dimensional Spectral Class | F8 |
Position Angle | 189 |
Year of Observation | 1991. AD |