A dataset provided by the European Space Agency

Proposal ID 050121
Title XMM-Newton observations of candidate Swift-BAT Compton-thick sources
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DOI https://doi.org/10.5270/esa-4ea06xr
Principal Investigator, PI Mr Marco Ajello
Abstract We propose to perform sensitive X-ray observations with XMM-Newton of 7candidate Compton-thick AGN detected by Swift-BAT in the ongoing all-sky survey(15-200 keV). The BAT spectra reveal, through the detection of the photoelectriccut-off (10-20 keV), that these objects are obscured by intervening matter whichis Compton-thick. Sensitive X-ray observations are needed to confirm and tostudy the nature of these sources. A powerful diagnostic for the presence ofCompton-thick matter is provided by the intensity and equivalent width of theiron line. XMM-Newton is the most suitable observatory to study such objects asits sensitivity is 10x larger than Swift-XRT at 6 keV.
Publications
Instrument EMOS1, EMOS2, EPN, OM, RGS1, RGS2
Temporal Coverage 2007-05-25T14:55:05Z/2007-11-21T15:39:59Z
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 2009-01-12T00:00:00Z
Keywords "compton thick matter", "swift xrt", "sensitive xray", "iron line", "bat spectra", "XMM", "compton thick", "xmm newton", "photoelectric cut", "10x larger", "suitable observatory", "perform sensitive xray", "sky survey", "powerful diagnostic", "XMM-Newton", "swift bat", "equivalent width", "intervening matter"
Publisher And Registrant European Space Agency
Credit Guidelines European Space Agency, Mr Marco Ajello, 2009, 'XMM-Newton observations of candidate Swift-BAT Compton-thick sources', 17.56_20190403_1200, European Space Agency, https://doi.org/10.5270/esa-4ea06xr