A dataset provided by the European Space Agency

Name 014502
Title XMM observation of cool clusters: identifying the source of the entropy floor
URL

https://nxsa.esac.esa.int/nxsa-sl/servlet/data-action-aio?obsno=0145020101
https://nxsa.esac.esa.int/nxsa-sl/servlet/data-action-aio?obsno=0145020201

DOI https://doi.org/10.5270/esa-911415r
Author Dr Monique ARNAUD
Description We propose to do high throughput spatially resolved spectroscopy, with XMM, on a
sample of 4 cool clusters (1.5<T<3 keV) in the redshift range z=0.04-0.06. We
were granted time for the 2 first clusters, MKW9 and A1983 in AO1. The other
two clusters, A1991 and A2717, are now proposed for AO2. XMM/EPIC is the best
instrument to measure accurately, up to at least half the virial radius, the gas
entropy distribution, the relative content and distribution of the gas and dark
matter, the abundance of Iron and alpha elements and their gradients. This is
key information to identify the origin of the entropy floor observed in
clusters. This will allow a major step forward in our understanding of cluster
formation and evolution.
Publication No observations found associated with the current proposal
Instrument EMOS1, EMOS2, EPN, OM, RGS1, RGS2
Temporal Coverage 2002-12-26T13:13:38Z/2003-02-16T21:59:45Z
Version 17.56_20190403_1200
Mission Description The European Space Agency's (ESA) X-ray Multi-Mirror Mission (XMM-Newton) was launched by an Ariane 504 on December 10th 1999. XMM-Newton is ESA's 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 Earth's 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 2004-03-14T00:00:00Z
Publisher And Registrant European Space Agency
Credit Guidelines European Space Agency, Dr Monique ARNAUD, 2004, 014502, 17.56_20190403_1200, European Space Agency, https://doi.org/10.5270/esa-911415r