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The Sunyaev–Zel’dovich Effect of Simulated Jet-inflated Bubbles in Clusters

  • Authors: Kristian Ehlert, Christoph Pfrommer, Rainer Weinberger, Rüdiger Pakmor, and Volker Springel

2019 The Astrophysical Journal Letters 872 L8.

  • Provider: AAS Journals

Caption: Figure 1.

We show the electron density ne, total pressure Ptot (﹩{P}_{\mathrm{tot}}={P}_{\mathrm{th}}+{P}_{\mathrm{cr}}+{P}_{B}﹩), velocity v, X-ray emissivity integrated along the line of sight lX, and the SZ signal ﹩| \delta {i}_{{\nu }_{o}}| ﹩ of the fiducial run at times 80 Myr and 160 Myr (top and bottom row, respectively). For the SZ effect, we assume a bubble filled with relativistic electrons and an observing frequency ν0 = 30 GHz. The images correspond to projections of thin layers (1000 kpc × 750 kpc × 4 kpc) centered on the BH and weighted by cell volume except for the density-weighted velocity. The jet terminates at 150 Myr, after which buoyantly rising bubbles form that can be observed as cavities in X-ray and SZ images. The gray contour exemplifies our ellipsoidal bubble model.

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