High-redshift objects as probes of nearby cosmic voids |
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| Authors: | Noah Brosch J Mayo Greenberg |
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| Institution: | 1. Laboratory Astrophysics, Huygens Laboratorium, University of Leiden, The Netherlands
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| Abstract: | We show that present day observational techniques make it possible to detect diffuse gas masses down to ～1010 M ⊙ in cosmic voids with linear sizes of ～1 Mpc or larger. The observations consist of searches for absorption lines, similar in character to those produced in galactic interstellar clouds, in the spectra of high-redshift objects located beyond previously identified voids adjoining nearby superclusters. |
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