|Title||Cosmological Evolution of Metallicity SSC_43|
|Author||Dr Michael Watson|
|Description||GT-Clusters accumulate processed and primordial material within the atmospheres held in their deep potential wells. The variation of metal content with position in a single cluster is an indicator of the balance between stellar processing and mass infall. The variation of the total metal content of clusters with redshift measures the stellar evolution history of the Universe as a whole, and can provide new cosmological data to test theories of structure formation. XMM is uniquely able to make powerful observations of cluster metallicities, and here we propose EPIC observations of a z = 0.5 cluster to provide high-quality metallicity measurements at a large look-back time.|
|Publication||No observations found associated with the current proposal|
|Instrument||EMOS1, EMOS2, EPN, OM, RGS1, RGS2|
|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.
|Publisher And Registrant||European Space Agency|
|Credit Guidelines||European Space Agency, 2002-07-13T00:00:00Z, 011100, 17.56_20190403_1200. https://doi.org/10.5270/esa-f12u8nc|