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MG II AND FE II FLUXES OF LUMINOUS QUASARS AT Z ∼ 2.7 AND THE EVALUATION OF THE BALDWIN EFFECT IN THE FLUX-TO-ABUNDANCE CONVERSION METHOD FOR QUASARS

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(AGENPARL) – GARCHING (GERMANY), sab 23 gennaio 2021 First Author: Sameshima, HiroakiInstruments: SpecialNTTProgramIDs: 0100.B-0939BibCode: 2020ApJ…904..162S To investigate the chemical abundance of broad-line region clouds in quasars at high redshifts, we performed near-infrared spectroscopy of six luminous quasars at z ∼ 2.7 with the WINERED spectrograph mounted on the New Technology......

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