A dataset provided by the European Space Agency

Name: Unveiling a Mysterious Nearby Cool-Core Cluster Lacking a Central BCG
Published: 2017-07-12T22:00:00Z

Proposal ID	078233
Title	Unveiling a Mysterious Nearby Cool-Core Cluster Lacking a Central BCG
Download Data Associated to the proposal	https://nxsa.esac.esa.int/nxsa-sl/servlet/data-action-aio?obsno=0782330101 https://nxsa.esac.esa.int/nxsa-sl/servlet/data-action-aio?obsno=0782330301
DOI	https://doi.org/10.5270/esa-lwqtvhy
Principal Investigator, PI	Dr Yuanyuan Su
Abstract	The nearby cluster Abell 1142 is experiencing an off-axis merger between twosubclusters of roughly equal masses. Each subcluster contains a BrightestCluster Galaxy (BCG). Abell 1142 appears to harbor a cool core with a metalabundance gradient declining outward. This cool core is offset from each BCG by~100 kpc. We propose a moderately deep XMM observation of this unique object toobtain its detailed metal distributions in the central region and probe itsglobal gas properties out to 0.5 R_500. The requested observation will enable usto (1) study the enrichment processes of cluster centers (to distinguish betweenthe BCG and the sub-group infall origins) and (2) understand the role of mergersin the formation and destruction of cluster cool cores.
Publications	Classification of 4XMM-DR9 sources by machine learning \|Zhang Yanxia Zhao Yongheng \| MNRAS \| 503-5263 \| 2021 \| 2021MNRAS.503.5263Z \| http://ui.adsabs.harvard.edu/#abs/2021MNRAS.503.5263Z The composition and thermal properties of a cool core lacking a brightest cluster galaxy \|Su Yuanyuan Combes Francoise et al. \| MNRAS \| 526-6052 \| 2023 \| 2023MNRAS.526.6052S \| http://ui.adsabs.harvard.edu/#abs/2023MNRAS.526.6052S From Active Stars to Black Holes: A Discovery Tool for Galactic X-Ray Sources \|Rodriguez Antonio C. \| PASP \| 136-054201 \| 2024 \| 2024PASP..136e4201R \| http://ui.adsabs.harvard.edu/#abs/2024PASP..136e4201R Robust constraints on feebly interacting particles using XMM-Newton \|Luque Pedro De la Torre Balaji Shyam \| PhRvD \| 109-L101305 \| 2024 \| 2024PhRvD.109j1305L \| http://ui.adsabs.harvard.edu/#abs/2024PhRvD.109j1305L Multimessenger search for electrophilic feebly interacting particles from supernovae \|Luque Pedro De la Torre Balaji Shyam \| PhRvD \| 109-103028 \| 2024 \| 2024PhRvD.109j3028L \| http://ui.adsabs.harvard.edu/#abs/2024PhRvD.109j3028L Importance of Cosmic-Ray Propagation on Sub-GeV Dark Matter Constraints \|De la Torre Luque Pedro Balaji Shyam \| ApJ \| 968-46 \| 2024 \| 2024ApJ...968...46D \| http://ui.adsabs.harvard.edu/#abs/2024ApJ...968...46D
Instrument	EMOS1, EMOS2, EPN, OM, RGS1, RGS2
Temporal Coverage	2016-06-05T03:56:15Z/2016-06-20T02:48:14Z
Version	17.56_20190403_1200
Mission Description	The European Space Agencys (ESA) X-ray Multi-Mirror Mission (XMM-Newton) was launched by an Ariane 504 on December 10th 1999. XMM-Newton is ESAs second cornerstone of the Horizon 2000 Science Programme. It carries 3 high throughput X-ray telescopes with an unprecedented effective area, and an optical monitor, the first flown on a X-ray observatory. The large collecting area and ability to make long uninterrupted exposures provide highly sensitive observations. Since Earths atmosphere blocks out all X-rays, only a telescope in space can detect and study celestial X-ray sources. The XMM-Newton mission is helping scientists to solve a number of cosmic mysteries, ranging from the enigmatic black holes to the origins of the Universe itself. Observing time on XMM-Newton is being made available to the scientific community, applying for observational periods on a competitive basis.
Creator Contact	https://www.cosmos.esa.int/web/xmm-newton/xmm-newton-helpdesk
Date Published	2017-07-12T22:00:00Z
Last Update	2025-01-27
Keywords	"central bcg", "cluster cool cores", "axis merger", "abell 1142 appears", "cluster centers", "central region", "Abell 1142", "metal distributions", "enrichment processes", "infall origins", "cool core", "global gas properties", "moderately deep xmm", "XMM", "roughly equal masses"
Publisher And Registrant	European Space Agency
Credit Guidelines	European Space Agency, Dr Yuanyuan Su, 2017, 'Unveiling a Mysterious Nearby Cool-Core Cluster Lacking a Central BCG', 17.56_20190403_1200, European Space Agency, https://doi.org/10.5270/esa-lwqtvhy