| Identification Data |
| Common Name | |
| Constellation | Pavo |
| Star Name | tau Pav |
| Skymap Number | 19160107 |
| Henry Draper (HD) Number | 179009 |
| Harvard Revised (HR) Number | 7274 |
| SAO Number | 254508 |
| Durchmusterung (DM) Number | CP-69 2962 |
Washington Double Stars (WDS) Number
|
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 363870 |
| Right Ascension (RA) J2000 | 19h 16m 28.612s |
| Declination (Dec) J2000 | -69° 11' 26.969" |
| Position Uncertainty | 0.0059s |
| Proper Motion in RA (J2000)/cos(Dec) | +0.00131 |
| Proper Motion in Dec (J2000) | -0.028766 |
| Radial Velocity | -018.km s-1 |
| Trigonometric Parallax | +0.00527s |
| Trigonometric Parallax Uncertainty | 0.00069s |
| GCI Unit Vector in X (J2000) | 0.116359 |
| GCI Unit Vector in Y (J2000) | -0.335660 |
| GCI Unit Vector in Z (J2000) | -0.934769 |
| Galactic Longitude | 326.38° |
Galactic Latitude
| -27.43°
|
| Observational Data |
| Observed Visual Magnitude (V) | 6.26 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.003 |
| Observed B Magnitude | 6.44 |
| Observed B-V Colour | +0.183 |
| 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 | 6.8 |
| Observed Photographic Magnitude | |
| Morgan Keenan (MK) Spectral Type | A6IV-V |
| One-Dimensional Spectral Class | A3 |
| Position Angle | |
| Year of Observation | AD |
