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Chemically peculiar stars

Peculiar stars in globular clusters

The existence of peculiar stars at the Blue Horizontal Branch was already shown by Behr et al. 1999. He used high resolution spectra to determine elemental abundances of individual objects to prove the peculiarity. Our technique is capable to cover simultaneously all members of a globular cluster. A preliminary result of our photometric survey by means of M30, where a few peculiar stars were found with the aid of a photometry, is shown in this Figure.