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Title: A series of shocks and edges in Abell 2219

Abstract

Here, we present deep, 170 ks, Chandra X-ray observations of Abell 2219 (z = 0.23), one of the hottest and most X-ray luminous clusters known, and which is experiencing a major merger event. We discover a ‘horseshoe’ of high-temperature gas surrounding the ram-pressure-stripped, bright, hot, X-ray cores. We confirm an X-ray shock front located north-west of the X-ray centroid and along the projected merger axis. We also find a second shock front to the south-east of the X-ray centroid making this only the second cluster where both the shock and reverse shock are confirmed with X-ray temperature measurements. We also present evidence for a possible sloshing cold front in the ‘remnant tail’ of one of the sub-cluster cores. The cold front and north-west shock front geometrically bound the radio halo and appear to be directly influencing the radio properties of the cluster.

Authors:
 [1];  [2];  [3];  [4];  [5];  [6];  [7];  [2];  [8]
  1. Stanford Univ., Stanford, CA (United States)
  2. Stanford Univ., Stanford, CA (United States); SLAC National Accelerator Lab., Menlo Park, CA (United States)
  3. Argelander-Institut fur Astronomie, Bonn (Germany)
  4. Univ. of California, Berkeley, CA (United States)
  5. Univ. of Copenhagen Juliane Maries Vej 30, Copenhagen (Denmark); Stanford Univ., Stanford, CA (United States)
  6. Univ. of Chicago, Chicago, IL (United States)
  7. Johns Hopkins Univ., Baltimore, MD (United States)
  8. Institute of Astronomy, Cambridge (United Kingdom)
Publication Date:
Research Org.:
SLAC National Accelerator Lab. (SLAC), Menlo Park, CA (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1360217
Grant/Contract Number:
GO2-13143X; AC02-76SF00515
Resource Type:
Journal Article: Accepted Manuscript
Journal Name:
Monthly Notices of the Royal Astronomical Society
Additional Journal Information:
Journal Volume: 464; Journal Issue: 3; Journal ID: ISSN 0035-8711
Publisher:
Royal Astronomical Society
Country of Publication:
United States
Language:
English
Subject:
79 ASTRONOMY AND ASTROPHYSICS; galaxies: clusters: individual: A2219; galaxies: clusters: intracluster medium

Citation Formats

Canning, R. E. A., Allen, S. W., Applegate, D. E., Kelly, P. L., von der Linden, A., Mantz, A., Million, E., Morris, R. G., and Russell, H. R. A series of shocks and edges in Abell 2219. United States: N. p., 2016. Web. doi:10.1093/mnras/stw2384.
Canning, R. E. A., Allen, S. W., Applegate, D. E., Kelly, P. L., von der Linden, A., Mantz, A., Million, E., Morris, R. G., & Russell, H. R. A series of shocks and edges in Abell 2219. United States. doi:10.1093/mnras/stw2384.
Canning, R. E. A., Allen, S. W., Applegate, D. E., Kelly, P. L., von der Linden, A., Mantz, A., Million, E., Morris, R. G., and Russell, H. R. 2016. "A series of shocks and edges in Abell 2219". United States. doi:10.1093/mnras/stw2384. https://www.osti.gov/servlets/purl/1360217.
@article{osti_1360217,
title = {A series of shocks and edges in Abell 2219},
author = {Canning, R. E. A. and Allen, S. W. and Applegate, D. E. and Kelly, P. L. and von der Linden, A. and Mantz, A. and Million, E. and Morris, R. G. and Russell, H. R.},
abstractNote = {Here, we present deep, 170 ks, Chandra X-ray observations of Abell 2219 (z = 0.23), one of the hottest and most X-ray luminous clusters known, and which is experiencing a major merger event. We discover a ‘horseshoe’ of high-temperature gas surrounding the ram-pressure-stripped, bright, hot, X-ray cores. We confirm an X-ray shock front located north-west of the X-ray centroid and along the projected merger axis. We also find a second shock front to the south-east of the X-ray centroid making this only the second cluster where both the shock and reverse shock are confirmed with X-ray temperature measurements. We also present evidence for a possible sloshing cold front in the ‘remnant tail’ of one of the sub-cluster cores. The cold front and north-west shock front geometrically bound the radio halo and appear to be directly influencing the radio properties of the cluster.},
doi = {10.1093/mnras/stw2384},
journal = {Monthly Notices of the Royal Astronomical Society},
number = 3,
volume = 464,
place = {United States},
year = 2016,
month = 9
}

Journal Article:
Free Publicly Available Full Text
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