Constellation
Triangulum Australe
Triangulum Australe (TrA) is one of the 88 constellations recognised by the International Astronomical Union. Its brightest star is Atria (magnitude 1.91).
| Latin name | Triangulum Australe |
|---|---|
| Abbreviation | TrA |
| Brightest star | Atria |
| Stars in this encyclopedia | 40 |
| Stars with exoplanets | 3 |
| Deep-sky objects | 16 |
| Galaxies | 6 |
In the sky
Visible from the whole Southern Hemisphere and north to latitude 24° N. South of latitude 24° S it never sets. It stands highest at midnight in May, the best time to observe it.
Its brightest stars
- Atria 1.91 · 390.6 light-years
- β TrA 2.83 · 40.5 light-years
- γ TrA 2.87 · 189.8 light-years
- δ TrA 3.86 · 712.7 light-years
- ε TrA 4.11 · 214.6 light-years
- ζ TrA 4.90 · 39.4 light-years
- HIP 82129 5.10 · 657.2 light-years
- κ TrA 5.11 · 1,106 light-years
- HIP 80874 5.19 · 847.5 light-years
- ι TrA 5.28 · 130.0 light-years
- θ TrA 5.50 · 345.1 light-years
- HIP 77390 5.54 · 350.5 light-years
- HIP 75665 5.71 · 660.9 light-years
- HIP 78279 5.74 · 748.2 light-years
- HIP 74582 5.75 · 1,141 light-years
- HIP 78045 5.76 · 227.0 light-years
- HIP 83150 5.79 · 624.7 light-years
- HIP 75565 5.89 · 327.2 light-years
- η¹ TrA 5.89 · 749.2 light-years
- HIP 79797 5.95 · 179.3 light-years
- HIP 81873 6.02 · 312.7 light-years
- HIP 82517 6.12 · 861.2 light-years
- HIP 77927 6.14 · 2,975 light-years
- HIP 80455 6.14 · 432.7 light-years
- HIP 74047 6.18 · 623.3 light-years
Its stars with exoplanets
Deep-sky objects
- PSR J1623-6936 Pulsar
- PSR B1641-68 (J1646-6831) Pulsar
- PSR B1503-66 (J1507-6640) Pulsar
- PSR J1622-6617 Pulsar
- ASCC 78 Star cluster
- ESO 099-06 Star cluster
- FSR 1693 Star cluster
- ASCC 82 Star cluster
- ESO 137-23 Star cluster
- ASCC 84 Star cluster
- He 2-185 Planetary nebula
- He 2-138 Planetary nebula
- He 2-119 Planetary nebula
- He 2-182 Planetary nebula
- He 2-136 Planetary nebula
- NGC 5979 Planetary nebula