Sigma Sagittari

• Name: Sigma Sagittari
• Chemical makeup:Large amounts of iron 
• Location:
• Right ascension: 18 hours 55 minutes 15.92650 seconds
• Declination: -26 degrees 17' 48.2068"
• Sprectrum analysis of iron:
• 
• Stellar classification: 
• B2.5V
• B-type main sequence star
• Photograph: 
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• References:
• https://en.wikipedia.org/wiki/Sigma_Sagittarii
• http://stars.chromeexperiments.com/
• http://chemistry.bd.psu.edu/jircitano/Fe.gif