On the Metallicities and Kinematics of the Circumgalactic Media of Damped Lyα Systems at z ∼ 2.5

On the Metallicities and Kinematics of the Circumgalactic Media of Damped Lyα Systems at z ∼ 2.5

We use medium- and high-resolution spectroscopy of close pairs of quasars to analyze the circumgalactic medium (CGM) surrounding 32 damped Ly α absorption systems (DLAs). The primary quasar sightline in each pair probes an intervening DLA in the redshift range 1.6 < z _abs < 3.5, such that the...

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Bibliographic Details
Main Authors: Stephanie M. Urbano Stawinski, Kate H. R. Rubin, J. Xavier Prochaska, Joseph F. Hennawi, Nicolas Tejos, Michele Fumagalli, Marc Rafelski, Evan N. Kirby, Elisabeta Lusso, Zachary Hafen
Format: Article
Language:English
Published: IOP Publishing 2023-01-01
Series:The Astrophysical Journal
Subjects:
Circumgalactic medium
Damped Lyman-alpha systems
Quasar absorption-line spectroscopy
Online Access:https://doi.org/10.3847/1538-4357/acd34a

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