|Title||X-ray observation of a massive strong-lensing galaxy group HSC J1441-0053|
|Author||Mr Keigo Tanaka|
|Description||The dark matter self-interaction cross-section depends on velocity and their model claims to explain observations from dwarfs to massive clusters. We need to test these models at galaxy group scales, where no usable data exist. Analysis from even a single system will be valuable. We propose a 40 ksec observation of a massive galaxy group HSC J1441-0053 to put the first constraints in this mass range. This is no ordinary (lensing) galaxy-group -it has lensed images of different sources at varying angular radii which allows us to get more accurate constraints on the inner density profile than any other (non-) lensing galaxy groups at similar masses and redshift. The accurate centroid determination and independent mass estimation with XMM are vital to derive accurate mass model.|
|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, 2022-02-27T00:00:00Z, 086396, 18.02_20200221_1200. https://doi.org/10.57780/esa-bms6zhf|