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:
-
- Stanford Univ., Stanford, CA (United States)
- Stanford Univ., Stanford, CA (United States); SLAC National Accelerator Lab., Menlo Park, CA (United States)
- Argelander-Institut fur Astronomie, Bonn (Germany)
- Univ. of California, Berkeley, CA (United States)
- Univ. of Copenhagen Juliane Maries Vej 30, Copenhagen (Denmark); Stanford Univ., Stanford, CA (United States)
- Univ. of Chicago, Chicago, IL (United States)
- Johns Hopkins Univ., Baltimore, MD (United States)
- 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:
- 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. https://doi.org/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. Thu .
"A series of shocks and edges in Abell 2219". United States. https://doi.org/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 = {Thu Sep 22 00:00:00 EDT 2016},
month = {Thu Sep 22 00:00:00 EDT 2016}
}
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