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The challenge of measuring and mapping the missing baryons

Nature Astronomy volume 5, pages 852–854 (2021)Cite this article

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The missing baryon problem may now be resolved, but the exact location and physical properties of the diffuse component remains unclear. This problem could be tractable, but requires a combination of new galaxy redshift surveys and new X-ray and radio facilities.

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Fig. 1: Recent estimates of the local baryon census.
Fig. 2: The underlying structures that surveys such as DESI-BGS and WAVES will reveal.

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Authors and Affiliations

  1. International Centre for Radio Astronomy Research (ICRAR), University of Western Australia, Perth, Western Australia, Australia

    Simon Driver

  2. International Space Centre (ISC), University of Western Australia, Perth, Western Australia, Australia

    Simon Driver

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  1. Simon Driver
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Correspondence to Simon Driver.

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Driver, S. The challenge of measuring and mapping the missing baryons. Nat Astron 5, 852–854 (2021). https://doi.org/10.1038/s41550-021-01441-w

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