Alhena

Alhena:

Chemical Make-Up: Hydrogen 

Location: Right Ascension: 06h37m42.71050s and Declination: +16° 23′ 57.4095″

Spectrum Analysis:

Stellar Classification: A1.5 IV

Picture:

Source of the Picture:

 https://it.wikipedia.org/wiki/Alhena

Sources:

    https://en.wikipedia.org/wiki/Gamma_Geminorum 

  http://chemistry.bd.psu.edu/jircitano/periodic4.html