W Orionis

Star: W Orionis

Stellar Classification: C5-6 II-red giant 

Background: W Orionis belongs to the Orion constellation and is about 5,000 times brighter than our sun. In addition, the diameter of the star is about 1-2 times the distance from the Earth to our sun. The constellation Orion (the hunter) is recognized by three stars in a row that form Orion's belt. 

Chemical Composition:

Abundance of carbon

Spectrum Analysis of the most abundant chemical (carbon):

Location:

Right ascension: 05h 05m 23,72s

Declination: + 01º 10 '39.5' '

References:

W Orionis. (n.d.). Retrieved September 27, 2015, from https://it.wikipedia.org/wiki/W_Orionis

(n.d.). Retrieved September 27, 2015, from https://en.wikipedia.org/wiki/Orion_(constellation)

Spectra of Different Atoms. (n.d.). Retrieved September 27, 2015, from http://www.astronomy.ohio-state.edu/~pogge/Ast350/Labs/Lamps/

(n.d.). Retrieved September 27, 2015, from https://www.astroleague.org/files/obsclubs/CarbonStar/CarbonStar-List.pdf