| 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 |
