The Hot and Energetic Universe: The missing baryons and the warm-hot intergalactic medium
The backbone of the large-scale structure of the Universe is determined by processes on a cosmological scale and by the gravitational interaction of the dominant dark matter. However, the mobile baryon population shapes the appearance of these structures. Theory predicts that most of the baryons res...
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| creator | Kaastra, Jelle Finoguenov, Alexis Nicastro, Fabrizio Branchini, Enzo Schaye, Joop Cappelluti, Nico Nevalainen, Jukka Barcons, Xavier Bregman, Joel Croston, Judith Dolag, Klaus Ettori, Stefano Galeazzi, Massimiliano Ohashi, Takaya Piro, Luigi Pointecouteau, Etienne Pratt, Gabriel Reiprich, Thomas Roncarelli, Mauro Sanders, Jeremy Takei, Yoh Ursino, Eugenio |
| description | The backbone of the large-scale structure of the Universe is determined by processes on a cosmological scale and by the gravitational interaction of the dominant dark matter. However, the mobile baryon population shapes the appearance of these structures. Theory predicts that most of the baryons reside in vast unvirialized filamentary structures that connect galaxy groups and clusters, but the observational evidence is currently lacking. Because the majority of the baryons are supposed to exist in a large-scale, hot and dilute gaseous phase, X-rays provide the ideal tool to progress our understanding. Observations with the Athena+ X-ray Integral Field Unit will reveal the location, chemical composition, physical state and dynamics of the active population of baryons. |
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| source | Freely Accessible Journals |
| subjects | Baryons Chemical composition Dark matter Galactic clusters Galaxies Intergalactic media Large scale structure of the universe Organic chemistry Universe |
| title | The Hot and Energetic Universe: The missing baryons and the warm-hot intergalactic medium |
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