Paper:	Total Contribution of the Warm/Hot Intergalactic Medium to the X-ray Background
Volume:	390, Pathways Through an Eclectic Universe
Page:	364
Authors:	Soltan, A.M.
Abstract:	The interaction of the infalling and escaping matter around galaxies generates areas of the warm/hot intergalactic medium with temperatures of 105–107 K. These high temperature regions emit X-rays that enhance the fluc- tuating component of the background. Variations in the background at angular scales of 0.5–8 arcmin are analyzed using XMM–Newton observations. The amplitude of the autocorrelation function generated by a non-uniform distribution of sources contributing to the background is discussed. An upper limit for the fluctuations due to the warm/hot component is obtained.

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