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Investigation into the origin of the soft excess in Ark 564 using principal component analysis

M. Lyu, Z. Y. Fei, G. B. Zhang and X. J. Yang

A&A, 689 (2024) A116

Published online: 06 September 2024

DOI: 10.1051/0004-6361/202348783

M. Lyu

Z. Y. Fei

G. B. Zhang

X. J. Yang

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