Simulating nearly edge-on sloshing in the galaxy cluster Abell 2199

Abstract

Off-axis collisions between galaxy clusters may induce the phenomenon of sloshing, causing dense gas to be dragged from the cool core of a cluster, resulting in a spiral of enhanced X-ray emission. Abell 2199 displays signatures of sloshing in its core and it is possible that the orbital plane of the collision is seen nearly edge-on. We aim to evaluate whether the features of Abell 2199 can be explained by a sloshing spiral seen under a large inclination angle. To address this, we perform tailored hydrodynamical $N$-body simulations of a non-frontal collision with a galaxy group of $M_{200}=1.6\times 10^{13}{\mathrm{M}}_{\odot }$. We obtain a suitable scenario in which the group passed by the main cluster core 0.8 Gyr ago, with a pericentric separation of 292 kpc. Good agreement is obtained from the temperature maps as well as the residuals from a $\beta$-model fit to the simulated X-ray emission. We find that under an inclination of $i=70^{\circ }$ the simulation results remain consistent with the observations.

13 pages, 14 figures, accepted for publication in MNRAS; replaced Fig. 2

References in corpus (21)

• Shocks and cold fronts in galaxy clusters
• The origin of cold fronts in the cores of relaxed galaxy clusters
• Scaling Properties of a Complete X-ray Selected Galaxy Group Sample
• How Rare is the Bullet Cluster?
• Star formation efficiency in galaxy clusters
• Gas Sloshing and Bubbles in the Galaxy Group NGC 5098
• The fate of the gaseous disks of galaxies that fall into clusters
• Metal distribution in sloshing galaxy clusters: the case of A496
• Isothermal shocks in Abell 2199 and 2A 0335+096?
• Galaxy evolution in the mid-infrared green valley: a case of the A2199 supercluster
• Physical properties of the X-ray gas as a dynamical diagnosis for galaxy clusters
• Simulations of gas sloshing in galaxy cluster Abell 2052
• Embedded Spiral Patterns in the Cool Core of the Massive Cluster of Galaxies Abell 1835
• Simulations of gas sloshing induced by a newly discovered gas poor substructure in galaxy cluster Abell 1644
• Revising the merger scenario of the galaxy cluster Abell 1644: a new gas poor structure discovered by weak gravitational lensing
• The dynamical state of Abell 2399: a bullet-like cluster
• Is there an enormous cold front at the virial radius of the Perseus cluster?
• Line-of-sight gas sloshing in the cool core of Abell 907
• A high coverage view of the thermodynamics and metal abundance in the outskirts of the nearby galaxy cluster Abell 2199
• The Galaxy Cluster 'Pypeline' for X-ray Temperature Maps: ClusterPyXT
• Two merging galaxy clusters with very hot shock fronts observed shortly before pericentric passage

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