Gamma Sagittarii

Sagittarius Constellation

Gamma Sagittarii   

I chose the Sagittarius Constellation (The Centaur/Archer) as my first celestial body because it is my birth sign, as I was born in December. I am absolutely, annoyingly independent, thus, I identify with this star sign a lot.

This constellation was categorized by 2nd-century astronomer Ptolemy with 48 other constellations. It remains one of the 88 modern constellations. This constellation (nicknamed The Teapot for its shape) can be seen by the naked eye.

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This star, Gamma Sagittarii (γ Sgr/Alnasl) forms the tip in the bow of Sagittarius the Centaur. It is the seventh brightest star in the constellation. It is a giant star, it is an estimated 12 times the Sun's radius, having exhausted the hydrogen in its core. It is named after Arabic word, Alnasl- The Arrowhead.

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Star: Gamma Sagitarii (γ Sgr/Alnasl)

Chemical Components: Internal Helium

Large amounts of iron

Spectrum Analysis (of most abundant component: Helium):

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Location: Right Ascension-  18h 05m 48.48810s

                 Declination- –30° 25′ 26.7235″

Stellar Classification: K1 III

Giant Star

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References: https://en.wikipedia.org/wiki/Gamma_Sagittarii

                     http://stars.astro.illinois.edu/sow/alnasl.html