A dataset provided by the European Space Agency

Proposal ID 060389
Title SHOCK FRONT IN A521 AND NEW METHOD OF MEASURING INTRACLUSTER MAGNETIC FIELD
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https://nxsa.esac.esa.int/nxsa-sl/servlet/data-action-aio?obsno=0603890101
DOI https://doi.org/10.5270/esa-ej63axk
Principal Investigator, PI Dr Maxim Markevitch
Abstract Shock fronts provide a unique tool to study the cluster plasma. So far only twounambiguous examples have been discovered, those in 1E0657 and A520. We proposeto confirm and quantify another candidate, an X-ray brightness edge detected ina short Chandra observation of A521 at the location of a prominent radio relic.Owing to its geometry and the excellent multifrequency radio data on the relic,this shock front will enable a novel measurement of the intracluster magneticfield, based on the width of the radio relic and the gas velocities determinedfrom the X-ray data. The proposed observation will unambiguously confirm theexistence of the brightness edge and the fact that this is a shock front, anddetermine its Mach number.
Publications
Instrument EMOS1, EMOS2, EPN, OM, RGS1, RGS2
Temporal Coverage 2009-08-18T13:02:57Z/2009-08-19T14:53:59Z
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 2010-09-02T00:00:00Z
Keywords "intracluster magnetic field", "xray data", "novel measurement", "xray brightness edge", "brightness edge", "shock front", "cluster plasma", "radio relic", "short chandra", "shock fronts", "unambiguous examples", "multifrequency radio data", "prominent radio relic", "gas velocities"
Publisher And Registrant European Space Agency
Credit Guidelines European Space Agency, Dr Maxim Markevitch, 2010, 'SHOCK FRONT IN A521 AND NEW METHOD OF MEASURING INTRACLUSTER MAGNETIC FIELD', 17.56_20190403_1200, European Space Agency, https://doi.org/10.5270/esa-ej63axk