A dataset provided by the European Space Agency

Name 040621
Title The X-ray properties of optically-selected clusters at z > 0.6


DOI https://doi.org/10.5270/esa-bbkkg65
Author Dr Olivia Johnson
Description The ESO Distant Cluster Survey (EDisCS) comprises an extremely well-studied sample of optically-selected cluster fields, including eight spectroscopically-confirmed clusters at z > 0.6 for which velocity dispersions and weak lensing maps have already been derived. We have studied three fields with XMM to date and here propose a completion of the sample. The proposed observations will allow us to: i) significantly expand the high-redshift L_X - sigma and T - sigma relations; ii)study the X-ray properties of the progenitors of typical present-day clusters; iii) examine the inherent biases in X-ray-selected high-redshift cluster surveys; and iv) test the validity of various mass estimation methods at high redshift.
Publication No observations found associated with the current proposal
Instrument EMOS1, EMOS2, EPN, OM, RGS1, RGS2
Temporal Coverage 2006-07-21T02:54:33Z/2006-12-02T00:34:36Z
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 2008-01-04T00:00:00Z
Publisher And Registrant European Space Agency
Credit Guidelines European Space Agency, 2008-01-04T00:00:00Z, 040621, 17.56_20190403_1200. https://doi.org/10.5270/esa-bbkkg65