I have chosen 6 random points from my graphic and calculated the eV. All the results are between 0eV and 2,8eV which indicates that it is H because the next number in the periodic table is He (7,56eV).

I have found this article from Astronomy & Astrophysics. His study coincides with mine. We have found that the star is composed mainly of hydrogen. 

Also in their article they have attached this graph that shows age and central hydrogen mass abundance of the star.