Sunyaev-Zel.dovich (SZ) surveys are currently the most powerful and consistentmethod of detecting high mass, high redshift galaxy clusters, whose dynamic,thermodynamic, and chemical properties serve as unique probes of the compositionand growth of structure in our Universe. The Atacama Cosmlogy Telescope (ACT)has surveyed >13000 sq. deg of sky, and the resulting ACTPol survey has detectedthousands of clusters (hundreds at z>1) based on their SZ signal. This proposaltargets the most massive high-z ACTPol clusters without X-ray follow-up,allowing us to obtain detailed measurements of cluster masses, morphologies, andthermodynamic properties, while nearly doubling the number of X-ray observedclusters in this redshift range for which these measurement are possible.
Instrument
EMOS1, EMOS2, EPN, OM, RGS1, RGS2
Temporal Coverage
2022-10-12T12:43:43Z/2023-02-12T16:15:32Z
Version
20.09_20221024_1724
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.
European Space Agency, Dr Anthony Flores, 2024, 'Chandra and XMM-Newton Observations of the Most Extreme z > 1.25 ACTPol Survey C', 20.09_20221024_1724, European Space Agency, https://doi.org/10.57780/esa-0bf8sl8
