A dataset provided by the European Space Agency

Proposal ID 067035
Title A Complete X-ray Selected Sample of Galaxy Groups
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DOI https://doi.org/10.5270/esa-g0a4wyx
Principal Investigator, PI Dr John Mulchaey
Abstract We propose an XMM-Newton survey of a complete X-ray selected sample of nearbygalaxy groups. The groups have been selected to overlap with the Sloan DigitalSky Survey. The XMM observations will provide a vital comparison sample to X-rayselected group samples being studied at high redshift. We will use the XMMobservations to: 1) Determine the properties of the intragroup medium in arepresentative sample of X-ray groups; 2) Study the evolution of the galaxypopulation in X-ray groups from z=1 to the present; 3) Determine the formationtimescales of brightest group galaxies and 4) Compare the AGN populations inX-ray groups to clusters.
Publications
Instrument EMOS1, EMOS2, EPN, OM, RGS1, RGS2
Temporal Coverage 2011-12-27T14:38:37Z/2012-02-27T15:39:57Z
Version 21.51_20241115_1113
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 2013-03-27T00:00:00Z
Last Update 2026-07-09
Keywords "agn populations", "complete xray", "XMM-Newton", "formation timescales", "intragroup medium", "XMM", "xmm newton survey", "galaxy population", "nearby galaxy", "vital comparison sample"
Publisher And Registrant European Space Agency
Credit Guidelines European Space Agency, Dr John Mulchaey, 2013, 'A Complete X-ray Selected Sample of Galaxy Groups', 21.51_20241115_1113, European Space Agency, https://doi.org/10.5270/esa-g0a4wyx
Rights Data hosted in the ESA Space Science Archives are distributed under the CC BY-NC 3.0 IGO license.