S Coronae Australis

S Coronae Australis (S CrA), is a young binary star system estimated to be around 2 million years old located in the constellation Corona Australis. ^[1]

5 relations: Binary star, Constellation, Corona Australis, Epoch (astronomy), International Celestial Reference System.

Binary star

A binary star is a star system consisting of two stars orbiting around their common barycenter.

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A constellation is a group of stars that are considered to form imaginary outlines or meaningful patterns on the celestial sphere, typically representing animals, mythological people or gods, mythological creatures, or manufactured devices.

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Corona Australis

Corona Australis is a constellation in the Southern Celestial Hemisphere.

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Epoch (astronomy)

In astronomy, an epoch is a moment in time used as a reference point for some time-varying astronomical quantity, such as the celestial coordinates or elliptical orbital elements of a celestial body, because these are subject to perturbations and vary with time.

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International Celestial Reference System

The International Celestial Reference System (ICRS) is the current standard celestial reference system adopted by the International Astronomical Union (IAU).

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References

[1] https://en.wikipedia.org/wiki/S_Coronae_Australis

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