A differential abundance analysis of the early-type halo star PHL 346

Astronomy and Astrophysics – Astronomy

Scientific paper

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Stars: Abundances, Stars: Early-Type, Stars: Individual: Phl 346, Stars: Kinematics

Scientific paper

A differential abundance analysis is presented of the faint halo star PHL 346 with respect to gammaPegasus, based on high-resolution optical spectra. PHL 346 is found to have absolute abundances consistent with Population I values, and a differential analysis also shows no significant peculiarities. The evolutionary status and kinematics of PHL 346 are considered, and we conclude that while formation in the halo remains a likely origin, it is also possible that PHL 346 could have been ejected from the disc.

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