Triangulum Australe facts for kids
| Constellation | |
|
|
| Abbreviation | TrA |
|---|---|
| Genitive | Trianguli Australis |
| Pronunciation | genitive |
| Symbolism | the Southern Triangle |
| Right ascension | 14h 56.4m to 17h 13.5m |
| Declination | −60.26° to −70.51° |
| Quadrant | SQ3 |
| Area | 110 sq. deg. (83rd) |
| Main stars | 3 |
| Bayer/Flamsteed stars |
10 |
| Stars with planets | 1 |
| Stars brighter than 3.00m | 3 |
| Stars within 10.00 pc (32.62 ly) | 0 |
| Brightest star | α TrA (Atria) (1.91m) |
| Messier objects | None |
| Meteor showers | None |
| Bordering constellations |
Norma Ara Circinus Apus |
| Visible at latitudes between +25° and −90°. Best visible at 21:00 (9 p.m.) during the month of July. |
|
Triangulum Australe is a small but bright constellation in the southern sky. Its name means "the Southern Triangle" in Latin. It looks like a triangle and can be seen from the Southern Hemisphere.
Contents
What is Triangulum Australe?
Triangulum Australe is one of the 88 modern constellations. It was first drawn on maps in the late 1500s. It is a group of stars that form a triangle shape. This constellation is located far south in the sky.
Where can you see it?
You can only see Triangulum Australe if you are in the Southern Hemisphere. It is best seen during the month of July. It is near other constellations like Norma and Ara.
Stars of the Southern Triangle
This constellation has three main stars that form its triangle shape. These stars are quite bright.
Atria: The Brightest Star
The brightest star in Triangulum Australe is called Alpha Trianguli Australis. It is also known as Atria. Atria is a very bright star. It shines with a reddish-orange light. It is about 39.5 light-years away from Earth.
Other Stars
The other two main stars are Beta Trianguli Australis and Gamma Trianguli Australis. Together with Atria, they make the clear triangle shape. There are also other fainter stars in the constellation.
Images for kids
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ESO 69-6 is a pair of galaxies merging together. The Hubble Space Telescope took this amazing picture.
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See also
In Spanish: Triangulum Australe para niños
