A dataset provided by the European Space Agency

Name 010646
Title The optically rich and young cluster Cl0939+472
URL

http://nxsa.esac.esa.int/nxsa-sl/servlet/data-action-aio?obsno=0106460101

DOI 10.5270/esa-tp1wv70
Author Dr Bernd Aschenbach
Description GT-CL0939+4713 at z=0.41 is an extremely rich, distant cluster of galaxies, possibly the richest cluster known. At the same time it is one of the optically best studied galaxy clusters at high redshift. As the cluster is extremely rich in the optical it is of preeminent interest to find out whether the total mass of the cluster is extraordinarily high as well: very massive clusters at high redshifts are a challenge for most cosmological models. The deficiency of metals together with the high galaxy content is a puzzle. The study of the deficiency of metals and their distribution will give information on the process of cluster formation. Furthermore, there are two other interesting sources in the pointing: a strongly variable, unknown source and a quasar at z=2.055
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Uncovering obscured luminous AGN with WISE . Mateos, S., Alonso-Herrero, A., et all. . MNRAS . 434-941 . 2013 . 2013MNRAS.434..941M ,
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AGN spectral states from simultaneous UV and X-ray observations by XMM-Newton . Svoboda, J., Guainazzi, M., . A&A . 603-127 . 2017 . 2017A&A...603A.127S ,
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Testing emergent gravity on galaxy cluster scales . Tamosiunas, Andrius, Bacon, David, et all. . JCAP . 5-53 . 2019 . 2019JCAP...05..053T ,
Chandra Follow-up of the SDSS DR8 Redmapper Catalog Using the MATCha Pipeline . Hollowood, Devon L., Jeltema, Tesla, et all. . ApJS . 244-22 . 2019 . 2019ApJS..244...22H ,
Stellar mass as a galaxy cluster mass proxy: application to the Dark Energy Survey redMaPPer clusters . Palmese, A., Annis, J., et all. . MNRAS . 493-4591 . 2020 . 2020MNRAS.493.4591P ,
X-ray properties of the X-CLASS-redMaPPer galaxy cluster sample: the luminosity-temperature relation . Molham, Mona, Clerc, Nicolas, et all. . MNRAS . 494-161 . 2020 . 2020MNRAS.494..161M ,
Accretion History of AGNs. II. Constraints on AGN Spectral Parameters Using the Cosmic X-Ray Background . Ananna, Tonima Tasnim, Treister, Ezequiel, et all. . ApJ . 889-17 . 2020 . 2020ApJ...889...17A ,
Multiwavelength classification of X-ray selected galaxy cluster candidates using convolutional neural networks . Kosiba, Matej, Lieu, Maggie, et all. . MNRAS . 496-4141 . 2020 . 2020MNRAS.496.4141K ,
The XMM Cluster Survey: new evidence for the 3.5-keV feature in clusters is inconsistent with a dark matter origin . Bhargava, S., Giles, P. A., et all. . MNRAS . 497-656 . 2020 . 2020MNRAS.497..656B ,
SPIDERS: overview of the X-ray galaxy cluster follow-up and the final spectroscopic data release . Clerc, N., Kirkpatrick, C. C., et all. . MNRAS . 497-3976 . 2020 . 2020MNRAS.497.3976C ,
Instrument EMOS1, EMOS2, EPN, OM
Temporal Coverage 2000-11-06T14:44:19Z/2000-11-07T06:15:31Z
Version 17.56_20190403_1200
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.
Creator Contact https://www.cosmos.esa.int/web/xmm-newton/xmm-newton-helpdesk
Date Published 2000-11-07T00:00:00Z
Publisher And Registrant European Space Agency
Credit Guidelines European Space Agency, 2000-11-07T00:00:00Z, 010646, 17.56_20190403_1200. https://doi.org/10.5270/esa-tp1wv70