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MAPPING the MOST MASSIVE OVERDENSITY THROUGH HYDROGEN (MAMMOTH). I. METHODOLOGY

Bian, Fuyan; Cai, Zheng; Fan, Xiaohui; Peirani, S; Frye, Brenda; McGreer, Ian; Prochaska, J. Xavier; Lau, Marie Wingyee; Tejos, Nicolas; Ho, Shirley; Schneider, D P

Description

Modern cosmology predicts that a galaxy overdensity (e.g., protocluster) will be associated with a large intergalactic medium gas reservoir, which can be traced by Lyα forest absorption. We have undertaken a systematic study of the relation between Coherently Strong intergalactic Lyα Absorption systems (CoSLAs), which have the highest optical depth (τ) in the τ distribution, and mass overdensities on the scales of ~10–20 h −1 comoving Mpc. On such large scales, our cosmological simulations show...[Show more]

CollectionsANU Research Publications
Date published: 2016
Type: Journal article
URI: http://hdl.handle.net/1885/152244
Source: The Astrophysical Journal
DOI: 10.3847/1538-4357/833/2/135
Access Rights: Open Access

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