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What is the nearest star in the constellation of Triangulum Australe?

Zeta Trianguli Australis (Zeta Trianguli Australis) is the nearest star to our solar system in the constellation of Triangulum Australe. It is located at a distance of about 39.5 light years from our Solar System. It would take a spaceship 1 year per light year distance at the speed of light. A light year is the distance that light travels in a year which is about 5.88 trillion miles.

We currently do not have any spaceship that is capable of travelling that fast. The fastest man made object is the New Horizons probe which would take 54,000 years to reach the nearest star, 4.3 light years away.

As a general rule, the brightest star in the constellation has a Bayer classification of Alpha but it is not the case for the amentioned constellation. The system was devised by Johann Bayer in 1802. When the Greek alphabet is used up, the Latin alphabet is used afterwards.

Zeta Trianguli Australis has an apparent magnitude of 4.9. Apparent magnitude is a measure of how bright the object is as seen on Earth. The smaller the number, the brighter the star is. for comparison reasons, the Sun's apparent magnitude is -26.74. The dimmest star that we can see without the help of a pair of binoculars or telescope for the record is 6/6.5

The star is a blue to white main sequence dwarf star star based on the spectral type of the star.


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