galaxies-09-00097.pdf (2.49 MB)
A multiwavelength dynamical state analysis of ACT-CL J0019.6+0336
journal contribution
posted on 2023-06-10, 06:38 authored by Denisha S Pillay, David Turner, Matt Hilton, Kenda Knowles, Kabelo C Kesebonye, Kavilan Moodley, Tony Mroczkowski, Nadeem Oozeer, Christoph Pfrommer, Sinenhlanhla P Sikhosana, Edward J WollackIn our study, we show a multiwavelength view of ACT-CL J0019.6+0336 (which hosts a radio halo), to investigate the cluster dynamics, morphology, and ICM. We use a combination of XMM-Newton images, Dark Energy Survey (DES) imaging and photometry, SDSS spectroscopic information, and 1.16 GHz MeerKAT data to study the cluster properties. Various X-ray and optical morphology parameters are calculated to investigate the level of disturbance. We find disturbances in two X-ray parameters and the optical density map shows elongated and axisymmetric structures with the main cluster component southeast of the cluster centre and another component northwest of the cluster centre. We also find a BCG offset of ~950 km/s from the mean velocity of the cluster, and a discrepancy between the SZ mass, X-ray mass, and dynamical mass (MX,500 and MSZ,500 lies > 3s away from Mdyn,500), showing that J0019 is a merging cluster and probably in a post-merging phase.
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- Published
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- Published version
Journal
GalaxiesISSN
2075-4434Publisher
MDPI AGExternal DOI
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4Volume
9Page range
1-15Department affiliated with
- Physics and Astronomy Publications
Full text available
- Yes
Peer reviewed?
- Yes
Legacy Posted Date
2023-03-30First Open Access (FOA) Date
2023-03-30First Compliant Deposit (FCD) Date
2023-03-30Usage metrics
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