A dataset provided by the European Space Agency

Proposal ID 050348
Title A Snapshot Survey of Isolated Elliptical Galaxies
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DOI https://doi.org/10.5270/esa-hu6s3gl
Principal Investigator, PI Dr David Buote
Abstract The properties of dark matter halos on galactic scales remain a largely untappedresource for cosmological studies. X-ray observations offer potentially the mostpromising means to study dark matter in isolated elliptical galaxies, but thereis presently a lack of known suitable candidates for study. Therefore, wepropose a snapshot survey of 11 systems to identify isolated elliptical galaxieswith X-ray properties similar to the best examples currently known. Deepfollow-up exposures with XMM and Chandra of promising targets will then besought for detailed analysis of their dark matter distributions.
Publications
Instrument EMOS1, EMOS2, EPN, OM, RGS1, RGS2
Temporal Coverage 2007-05-17T10:11:27Z/2008-03-24T23:21:10Z
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 2009-04-11T00:00:00Z
Keywords "promising means", "xray properties", "isolated elliptical galaxy", "XMM", "promising targets", "untapped resource", "dark matter distributions", "galactic scales", "dark matter halos", "dark matter", "snapshot survey", "suitable candidates"
Publisher And Registrant European Space Agency
Credit Guidelines European Space Agency, Dr David Buote, 2009, 'A Snapshot Survey of Isolated Elliptical Galaxies', 17.56_20190403_1200, European Space Agency, https://doi.org/10.5270/esa-hu6s3gl