A dataset provided by the European Space Agency

Name 003214
Title Chasing quasar 2 with XMM
URL

http://nxsa.esac.esa.int/nxsa-sl/servlet/data-action-aio?obsno=0032140101
http://nxsa.esac.esa.int/nxsa-sl/servlet/data-action-aio?obsno=0032140201
http://nxsa.esac.esa.int/nxsa-sl/servlet/data-action-aio?obsno=0032140401
http://nxsa.esac.esa.int/nxsa-sl/servlet/data-action-aio?obsno=0032140501
http://nxsa.esac.esa.int/nxsa-sl/servlet/data-action-aio?obsno=0032140701
http://nxsa.esac.esa.int/nxsa-sl/servlet/data-action-aio?obsno=0032140801
http://nxsa.esac.esa.int/nxsa-sl/servlet/data-action-aio?obsno=0032141001
http://nxsa.esac.esa.int/nxsa-sl/servlet/data-action-aio?obsno=0032141101
http://nxsa.esac.esa.int/nxsa-sl/servlet/data-action-aio?obsno=0032141201

DOI 10.5270/esa-bvcdzbq
Author Dr Fabrizio Fiore
Description Highly obscured quasar~2 have been proposed as the main contributors to the hard X-ray background. Despite years of searches only an handful of such sources is known. We propose to observe with XMM a sample of 9 relatively bright (F(5-10 keV)=2-10E-13 cgs) 'High Energy LLarge Area Survey. (HELLAS) X-ray sources, discovered by the BeppoSAX MECS in the hard X-ray band 5-10 keV. We selected the sources according to two criteria: a) highest hardness ratio in the 2-10 keV band; highest ratio between the MECS 5-10 band and the ROSAT 0.5-2 keV band. This should select obscured sources in which the nucleus
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The x-ray luminous galaxy cluster...
Instrument EMOS1, EMOS2, EPN, OM, RGS1, RGS2
Temporal Coverage 2001-02-28T23:52:04Z/2002-01-03T18:53:24Z
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 2003-02-01T00:00:00Z
Publisher And Registrant European Space Agency
Credit Guidelines European Space Agency, 2003-02-01T00:00:00Z, 003214, 17.56_20190403_1200. https://doi.org/10.5270/esa-bvcdzbq