A dataset provided by the European Space Agency

Proposal ID 069161
Title Understanding the Physics and Dynamics of the NGC4839 Group as it Falls into the
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https://nxsa.esac.esa.int/nxsa-sl/servlet/data-action-aio?obsno=0691610201
https://nxsa.esac.esa.int/nxsa-sl/servlet/data-action-aio?obsno=0691610301

DOI https://doi.org/10.5270/esa-qnm9wlf
Principal Investigator, PI Dr William Forman
Abstract We propose to complete our investigation of the massive group centered on the cDgalaxy NGC4839, which is falling into the Coma cluster. The completedobservations will allow the physics and dynamics of this merger to be studied inunprecedented detail. Our 112 ks (80 ks plus 40% overhead) XMM-Newtonobservation was badly flared. To complete our program, we request an additional58 ks (which includes 40% overhead). With a complete data set, we will determinethe nature of the shock/sheath region at the interface between the Coma ICM andthe group gas, investigate the newly identified (120x75 kpc) cocoon surroundingNGC4839, and study the 400 kpc ram pressure stripped tail behind NGC4839 todetermine the importance of mixing of cluster gas with stripped group gas.
Publications
Instrument EMOS1, EMOS2, EPN, OM, RGS1, RGS2
Temporal Coverage 2012-06-02T03:09:51Z/2012-06-04T12:59:17Z
Version 17.56_20190403_1200
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.
Creator Contact https://www.cosmos.esa.int/web/xmm-newton/xmm-newton-helpdesk
Date Published 2013-06-16T00:00:00Z
Keywords "complete data set", "NGC4839", "XMM", "coma icm", "cd galaxy ngc4839", "XMM-Newton", "sheath region", "badly flared", "coma cluster", "overhead xmm newton", "cluster gas"
Publisher And Registrant European Space Agency
Credit Guidelines European Space Agency, Dr William Forman, 2013, 'Understanding the Physics and Dynamics of the NGC4839 Group as it Falls into the', 17.56_20190403_1200, European Space Agency, https://doi.org/10.5270/esa-qnm9wlf