A dataset provided by the European Space Agency

Proposal ID 078056
Title Mapping the inner accretion flow: dynamic reverberation in IRAS 13224-3809
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DOI https://doi.org/10.5270/esa-gfb8qrt
Principal Investigator, PI Prof Andrew Fabian
Abstract The Narrow-Line Seyfert 1 galaxy IRAS13224-3809 shows strong iron-K and L broadlines and high-frequency soft X-ray time lags indicating reflection from theinnermost regions about a rapidly spinning black hole. It persistently varieswith high amplitude changes every 2 to 3 days. The peak frequency and energyspectrum of the lags varies with flux, probably due to changes in size of thecorona. We propose a Very Large Programme consisting of a 1.5Ms observation ofthis object, which will enable the full range of flux levels to be studied,yielding a dynamic picture of the changing height and size of the corona andtransforming our understanding of how luminous black hole accretion operates.
Publications
Instrument EMOS1, EMOS2, EPN, OM, RGS1, RGS2
Temporal Coverage 2016-07-08T19:33:33Z/2016-07-26T09:35:08Z
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 2016-08-26T22:00:00Z
Keywords "innermost region", "dynamic reverberation", "spinning black hole", "inner accretion flow", "energy spectrum", "dynamic picture", "iras 13224 3809", "changing height", "broad lines", "flux levels", "narrow line seyfert", "programme consisting", "persistently varies", "peak frequency", "galaxy iras13224 3809", "lags varies"
Publisher And Registrant European Space Agency
Credit Guidelines European Space Agency, Prof Andrew Fabian, 2016, 'Mapping the inner accretion flow: dynamic reverberation in IRAS 13224-3809', 17.56_20190403_1200, European Space Agency, https://doi.org/10.5270/esa-gfb8qrt