A dataset provided by the European Space Agency

Name 011066
Title X-ray shadow experiments with XMM
URL

https://nxsa.esac.esa.int/nxsa-sl/servlet/data-action-aio?obsno=0110660101
https://nxsa.esac.esa.int/nxsa-sl/servlet/data-action-aio?obsno=0110660201
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https://nxsa.esac.esa.int/nxsa-sl/servlet/data-action-aio?obsno=0110660701
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https://nxsa.esac.esa.int/nxsa-sl/servlet/data-action-aio?obsno=0110661301
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DOI https://doi.org/10.5270/esa-wgocnx0
Author Dr Fred Jansen
Description GT- X-ray shadow experiments are important, because they help us to determine
the distribution of the X-ray plasma in our Galaxy. Recent results (Kerp et al.
1997, Pietz et al. 1997) indicate that our Galaxy has an extended X-ray halo.
This halo plasma accounts for the 1/4 keV as well as for the 3/4 keV background
radiation. The aim of this proposal is to improve our view of the X-ray backgr.
Based on our experience with the ROSAT PSPC, we will use EPIC imaging spectra to
derive the 3-D composition of X-ray mietting and absorbing matter distributed
along the line of sight by analysing X-ray colours and to determine whether the
Galactic halo plasma or a steepening of the extragalactic power law causes the
observed increase in the background intensity towards lower photon energies.
Publication No observations found associated with the current proposal
Instrument EMOS1, EMOS2, EPN, OM, RGS1, RGS2
Temporal Coverage 2000-08-19T22:37:08Z/2002-10-16T12:10:07Z
Version PPS_NOT_AVAILABLE
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 2003-11-14T00:00:00Z
Publisher And Registrant European Space Agency
Credit Guidelines European Space Agency, Dr Fred Jansen, 2003, 011066, PPS_NOT_AVAILABLE, European Space Agency, https://doi.org/10.5270/esa-wgocnx0