Alpha Centauri

Star: Alpha Centauri. Also known as Rigil Kent or Toliman. In the constellation Centaurus. Consists of three stars: the pair Alpha Centauri A and Alpha Centauri B and a small and faint red dwarf, Alpha Centauri C.

Chemical Components: Like all stars, the main components of this star are mainly hydrogen, and also helium. "The abundance of iron, magnesium, calcium and sodium in α Centauri A (α Cen A) is determined from strong lines of these elements using the theory of collisional line broadening of alkali and other spectral lines by neutral hydrogen developed by Anstee & O’Mara [1] and the spectrum synthesis program of John Ross [2]" (Hathi, p 4).

Location: Right ascension: 14h 39m 36.49400s
Declination: –60° 50′ 02.3737″

Spectrum analysis of most abundant chemical: hydrogen

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Stellar Classification:Alpha Centauri B: an orange star with a spectral type of K1. Alpha Centauri A and B are stars like the Sun, Proxima is a dim red dwarf with a spectral type of M5.


http://aether.lbl.gov/www/classes/p139/speed/Alpha-Centauri.html


https://en.wikipedia.org/wiki/Alpha_Centauri#/media/File:The_bright_star_Alpha_Centauri_and_its_surroundings.jpg

Hathi, N. (n.d.). A Determination of the Chemical Composition of Alpha Centauri A from Strong Lines. Retrieved September 25, 2015, from http://www.researchgate.net/publication/1800867_A_Determination_of_the_Chemical_Composition_of_Alpha_Centauri_A_from_Strong_Lines  

 Alpha Centauri. (n.d.). Retrieved September 25, 2015, from http://aether.lbl.gov/www/classes/p139/speed/Alpha-Centauri.html