Tau Librae
From Wikipedia, the free encyclopedia
| Observation data Epoch J2000.0 |
|
|---|---|
| Constellation (pronunciation) |
Libra |
| Right ascension | 15h 38m 39.38s |
| Declination | -29° 46' 39.7" |
| Apparent magnitude (V) | +3.66 |
| Absolute magnitude (V) | -2.01 |
| Distance | 445 ly (136.503 pc) |
| Spectral type | B2.5V |
| Other designations | |
Tau Librae (τ Lib / τ Librae) is a Class B2.5, fourth-magnitude star in the constellation Libra. It is occasionally called by the name Derakrab Australis, meaning "Southern One of the Scorpion's Arm"; the base name Derakrab being a contraction of the Arabic title Al-Dhira al-Akrab (الذراع العقرب), meaning "Arm of the Scorpion" + Latin australis for "southern".
Tau Librae is a stellar system located about 445 light-years from Earth.
[edit] References
- HD 139365 -- Star. SIMBAD Astronomical Database. Retrieved on 2007-01-22.
