|Title||Mass and Dynamical Structure of the Lensing Clusters Cl0024+17 and Cl2244-02|
|Author||Dr Hans Boehringer|
|Description||For the two of the most intersting distant galaxy cluster featuring spectacular lensing effects, Cl0024+17 and Cl2244-02 there is still an unsolved mass dis- crepancy between X-ray and lensing mass determinations. While the previous ROSAT HRI and ASCA observations don.t provide the means for an analysis of the tempe- rature structure of the clusters and the surface brightness at larger radii, the proposed XMM observations are ideally suited to probably resolve this discre- pancy. We will also be able to probe the core region of the clusters in detail for a more refined comparison to the lensing models. CL0024+17 has the richest strong lensing features and weak lensing shear has been detected out to the largest radius in any cluster. Cl2244-02 displays the largest arc curvature.|
|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, 2002-08-01T00:00:00Z, 005014, 17.56_20190403_1200. https://doi.org/10.5270/esa-3u3nqy4|