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We have searched for lines of the radioactive element technetium (Tc) in the spectrum of Przybylski's star (HD 101065). The nuclei of this chemical element are formed in the slow process of capturing thermalized neutrons. The possible lines of Tc I are heavily blended. We have synthesized the profile of one resonance line at 4297.06 Å , which is also a part of the complex blend, and we arrived at...
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