By Jelle Kaastra
This ebook offers a overview in regards to the physics of clusters of galaxies past the traditional thermal view. The ebook first offers a common creation to clusters of galaxies. It discusses the houses of the recent, virialised fuel in those clusters. however the major concentration is upon what's past this thermal fuel: the encircling warm-hot intergalactic medium, non-thermal emission elements and the chemical enrichment of the clusters and their environments. what's the evolution of the new fuel in clusters and the encompassing cosmic net? How does it succeed in equilibrium? what's the function of magnetic fields and shocks? Has the WHIM been detetected? Are there non-thermal parts in clusters? How does the metallicity evolve? those questions and so on are addressed from 3 various issues of view: observations, conception of the actual strategies and numerical simulations.
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Extra info for Clusters of Galaxies: Beyond the Thermal View
J. 130, 1482 (2005) K. Rines, R. Finn, A. Vikhlinin, Astrophys. J. 665, L9 (2007) P. Rosati, in Clusters of Galaxies: Probes of Cosmological Structure and Galaxy Evolution, ed. S. Mulchaey, A. Dressler, A. Oemler. Carnegie Obs. Astrophys. Ser. (Cambridge Univ. Press, Cambridge, 2004), p. 72 24 A. Diaferio et al. P. Rosati, S. Borgani, C. Norman, Annu. Rev. Astron. Astrophys. 40, 539 (2002) M. Rossetti, S. Molendi, Astron. Astrophys. F. J. A. Peterson, B. Rocca-Volmerange, Mon. Not. R. Astron. Soc.
014 Å. 019 Å (Schmidt et al. 2004). Likewise, the lower ionisation stages of Fe could in principle produce n = 2−3 absorption. The thermal widths of all these transitions will be very small, requiring resolving powers of order R ∼ 10 000 (C, N, O, Ne) for gas temperatures of order 106 K to be resolved; for Fe, the requirement is even higher, by a factor ∼ 2. As we will see, for practical reasons, these requirements exceed the current capabilities of astrophysical X-ray spectroscopy by a large factor.
J. 120, 1579 (2000) S. M. P. Schneider, J. Brinkmann, Mon. Not. R. Astron. Soc. 358, 949 (2005) F. Zwicky, Helv. Phys. Acta 6, 110 (1933) F. Zwicky, Astrophys. J. 86, 217 (1937) F. Zwicky, E. Herzog, P. Wild, M. T. Kowal, Catalogue of Galaxies and Clusters of Galaxies (Pasadena, California Institute of Technology, 1961–1968) Chapter 3 FUV and X-Ray Absorption in the Warm-Hot Intergalactic Medium P. S. S. Kaastra Originally published in the journal Space Science Reviews, Volume 134, Nos 1–4. V. 2008 Abstract The Warm-Hot Intergalactic Medium (WHIM) arises from shock-heated gas collapsing in large-scale filaments and probably harbours a substantial fraction of the baryons in the local Universe.