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Searching for the Missing Baryons in the Warm-Hot Intergalactic Medium

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dc.creator Barcons, Xavier
dc.date 2008-04-24T01:34:14Z
dc.date 2008-04-24T01:34:14Z
dc.date 2007-11-30
dc.date.accessioned 2017-01-31T01:03:24Z
dc.date.available 2017-01-31T01:03:24Z
dc.identifier arXiv:0711.4888v1 [astro-ph]
dc.identifier Astron. Nachr. / AN 999, No. 88, 789 – 792 (2006)
dc.identifier http://dx.doi.org/10.1002/asna.200710893
dc.identifier 0004-6337
dc.identifier http://hdl.handle.net/10261/3714
dc.identifier 10.1002/asna.200710893
dc.identifier.uri http://dspace.mediu.edu.my:8181/xmlui/handle/10261/3714
dc.description Proceedings of the "XMM-Newton: the next decade", to appear in Astronomische Nachrichten.
dc.description At low redshift (z<2), almost half of the baryons in the Universe are not found in bound structures like galaxies and clusters and therefore most likely reside in a Warm-Hot Intergalactic Medium (WHIM), as predicted by simulations. Attempts to detect WHIM filaments at cosmological distances in absorption towards bright background sources have yielded controversial results that I review here. I argue that a secure detection of absorption features by the WHIM is at the limit of the XMM-Newton capabilities, but feasible. A proper characterisation of the whole WHIM belongs to the realm of future X-ray missions.
dc.description Financial support for this work has been provided by the Spanish Ministry of Education and Science under project ESP2006-13608-C02-01.
dc.description Peer reviewed
dc.format 76501 bytes
dc.format application/pdf
dc.language eng
dc.relation Preprint
dc.rights openAccess
dc.subject Galaxies: intergalactic medium
dc.subject Quasars: absorption lines
dc.subject Astrophysics
dc.title Searching for the Missing Baryons in the Warm-Hot Intergalactic Medium
dc.type Pre-print


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