A dataset provided by the European Space Agency

Proposal ID 050205
Title Exploring the energetic outflow and strong soft excess in the QSO PG1211+143
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DOI https://doi.org/10.5270/esa-a4lfrst
Principal Investigator, PI Prof Ken Pounds
Abstract A short XMM-Newton observation of the luminous narrow line QSO PG1211+143 hasprovided perhaps the best evidence yet for a massive and energetic outflow in anAGN, a property that may be characteristic of Eddington-limited accretion. Inaddition, the unusually strong soft X-ray spectrum of PG1211+143 has been afocus of recent attempts to understand the origin of the soft excess in AGN. Werequest an extended study of PG1211+143 in AO6, to obtain improved quality EPICand RGS spectra, with better coverage of the anticipated spectral variabilitytimescales, to allow the X-ray spectrum to be de-convolved and the ionisationstructure and dynamics of the outflow better understood.
Publications
Instrument EMOS1, EMOS2, EPN, OM, RGS1, RGS2
Temporal Coverage 2007-12-21T13:41:32Z/2007-12-24T08:48:15Z
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 2009-01-30T00:00:00Z
Keywords "short xmm newton", "XMM", "qso pg1211", "xray spectrum", "soft excess", "ionisation structure", "de convolved", "energetic outflow", "eddington limited accretion", "soft xray spectrum", "XMM-Newton", "EPIC", "rgs spectra", "improved quality epic"
Publisher And Registrant European Space Agency
Credit Guidelines European Space Agency, Prof Ken Pounds, 2009, 'Exploring the energetic outflow and strong soft excess in the QSO PG1211+143', 17.56_20190403_1200, European Space Agency, https://doi.org/10.5270/esa-a4lfrst