I picked the star Sirius because it is the brightest star in the Earth's night sky, and it will be the brightest star to us for the next 210,000 years. It is part of the Canis Major ( the big dog) constellation.Star: Sirius
Chemical components: high iron and contains some elements heavier than helium
Location: right ascension: 6 hours 45 minutes 08.917 seconds
declination: -16 degrees 42' 58.02"
Spectrum for most abundant chemical: Iron
Stellar classification: A1V faint white dwarf
links:
https://deepnessdawn.wordpress.com/deepness-dawn/the-tear-of-sirius/
http://www.astronomy.ohio-state.edu/~pogge/Ast350/Labs/Lamps/
https://en.wikipedia.org/wiki/Sirius
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