The Bimodal Absorption System Imaging Campaign (BASIC). I. A Dual Population of Low-metallicity Absorbers at z < 1

The Bimodal Absorption System Imaging Campaign (BASIC). I. A Dual Population of Low-metallicity Absorbers at z < 1

The bimodal absorption system imaging campaign (BASIC) aims to characterize the galaxy environments of a sample of 36 H i -selected partial Lyman limit systems (pLLSs) and Lyman limit systems (LLSs) in 23 QSO fields at z ≲ 1. These pLLSs/LLSs provide a unique sample of absorbers with unbiased and we...

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Bibliographic Details
Main Authors: Michelle A. Berg, Nicolas Lehner, J. Christopher Howk, John M. O’Meara, Joop Schaye, Lorrie A. Straka, Kathy L. Cooksey, Todd M. Tripp, J. Xavier Prochaska, Benjamin D. Oppenheimer, Sean D. Johnson, Sowgat Muzahid, Rongmon Bordoloi, Jessica K. Werk, Andrew J. Fox, Neal Katz, Martin Wendt, Molly S. Peeples, Joseph Ribaudo, Jason Tumlinson
Format: Article
Language:English
Published: IOP Publishing 2023-01-01
Series:The Astrophysical Journal
Subjects:
Circumgalactic medium
Galaxy spectroscopy
Intergalactic medium
Lyman limit systems
Metallicity
Quasar absorption line spectroscopy
Online Access:https://doi.org/10.3847/1538-4357/acb047

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