Alpha Centauri system


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Related to Alpha Centauri system: Proxima Centauri, Milky Way System

Alpha Centauri system

(sɛnˈtɔːrɪ)
n
(Astronomy) a star system comprising the binary star Alpha Centauri A and B and Proxima Centauri (also called Alpha Centauri C), which is 0.1 light years closer to the sun. Visual magnitude: 0.01 (A), 1.33 (B); spectral type: G2V (A); distance from earth: 4.3 light years. Also called: Rigil Kent See also Proxima
References in periodicals archive ?
Proxima Centauri, a red dwarf star, is the smallest of the three stars in the Alpha Centauri system about four light-years away, and it also hosts an exoplanet called Proxima b.
My first guess was that it's due to the orbital motion of the Proxima Centauri system within the Alpha Centauri system, but I wasn't sure that this would be so noticeable in a period of just 90 days.
It orbits Proxima Centauri, the closest star to the sun and a member of the triple-star Alpha Centauri system.
First discovered in 1915, the Alpha Centauri System is part of the Centaurus constellation and is so close to one another that its two stars, Alpha Centauri A and Alpha Centauri B, can actually be seen in the night sky.
Until astronomers build such telescopes, the team aims to search for photosynthetic footprints in the light of the Alpha Centauri system.
There's a good chance that astronomers will find misalignment in the Alpha Centauri system," Batygin predicted.
Out of this world An Earth-mass planet has been found by German astronomers orbiting a star in the Alpha Centauri system, the Sun's neighbour in space.
The Alpha Centauri system -- composed of three stars orbiting one another -- is only 4.
Apart from the sun and the Alpha Centauri system, which star - so faint it was not discovered until 1916 - is closest to the Earth?
A study has shown that habitable rocky planets are likely to have formed in the Alpha Centauri system, a trio of stars 4.