Beta Trianguli Australis
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| Observation data Epoch J2000 |
|
|---|---|
| Constellation (pronunciation) |
Triangulum Australe |
| Right ascension | 15h 55m 08.5s |
| Declination | -63° 25′ 50″ |
| Apparent magnitude (V) | 2.83 |
| Characteristics | |
| Spectral type | F2 III |
| U-B color index | 0.05 |
| B-V color index | 0.29 |
| Variable type | ? |
| Astrometry | |
| Radial velocity (Rv) | 0.4 km/s |
| Proper motion (μ) | RA: -188.45 mas/yr Dec.: -401.92 mas/yr |
| Parallax (π) | 81.24 ± 0.62 mas |
| Distance | 40.1 ± 0.3 ly (12.31 ± 0.09 pc) |
| Absolute magnitude (MV) | 2.38 |
| Other designations | |
Beta Trianguli Australis (β TrA / β Trianguli Australis) is a binary star in the constellation Triangulum Australe. It is approximately 40.1 light years from Earth.
The primary component, Beta Trianguli Australis A, is a yellow-white F-type giant with an apparent magnitude of +2.83. It has a 14th magnitude companion separated from the primary by 155 arcseconds.
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