A dataset provided by the European Space Agency

Name 020634
Title BARYON BUDGET IN 2 KEV GALAXY GROUPS
URL

https://nxsa.esac.esa.int/nxsa-sl/servlet/data-action-aio?obsno=0206340101
https://nxsa.esac.esa.int/nxsa-sl/servlet/data-action-aio?obsno=0206340201

DOI https://doi.org/10.5270/esa-r65uut2
Author Dr ALLAN HORNSTRUP
Description We propose XMM EPIC observations of 3 typical X-ray selected galaxy groups. Our
objects are both bright and sufficiently distant (z=0.10-0.13) so that they each
can be detected to their virial radius in a single pointing. The XMM
observations will provide accurate mass profiles to r_500. In combination with
the already obtained optical observations, we will be able to establish the
baryon budget in T = 2 keV groups, accurately calibrating the M-T relation at
group scale, and quantifying any trends in the baryon fraction from rich
clusters to groups. These data will have important implications for the thermal
history of the intergalactic medium and cluster-based cosmological tests,
complementing ongoing cluster surveys focusing on rich clusters.
Publication No observations found associated with the current proposal
Instrument EMOS1, EMOS2, EPN, OM, RGS1, RGS2
Temporal Coverage 2004-04-23T21:02:33Z/2004-10-27T14:00:45Z
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 2005-12-03T00:00:00Z
Publisher And Registrant European Space Agency
Credit Guidelines European Space Agency, Dr ALLAN HORNSTRUP, 2005, 020634, 17.56_20190403_1200, European Space Agency, https://doi.org/10.5270/esa-r65uut2