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Proposal ID 050505
Title Investigating the peculiar X-ray spectral properties of the NLQ PG 1543+489
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DOI https://doi.org/10.5270/esa-g5a9b1d
Principal Investigator, PI Dr Cristian Vignali
Abstract We propose a 60 ks observation of the narrow-line QSO PG 1543+489 at z=0.40. Thesource is characterized by peculiar properties: the OIII emission line has themost extreme value of blueshift among AGN and a blue asymmetry in its profile,indicative of an outflow. This outflow can be related to the high accretion rateof the QSO, as suggested by the presence of an ultra-steep (Gamma=2.8) X-rayslope in a previous short XMM-Newton observation. The same observation revealedthe presence of a relativistic iron K alpha line, whose detailed analysis washowever limited by the poor photon statistics. The large EW of the line (2-3.9keV) suggests the presence of light-bending effects or amplification by microlensing, which can be tested only with a longer XMM-Newton exposure.
Publications
Instrument EMOS1, EMOS2, EPN, OM, RGS1, RGS2
Temporal Coverage 2007-06-09T16:00:18Z/2007-06-17T21:33:17Z
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 2008-06-28T00:00:00Z
Keywords "short xmm newton", "accretion rate", "XMM", "xmm newton exposure", "light bending effects", "xray spectral properties", "photon statistics", "emission line", "XMM-Newton", "blue asymmetry", "nlq pg 1543", "xray slope", "alpha line", "micro lensing", "relativistic iron"
Publisher And Registrant European Space Agency
Credit Guidelines European Space Agency, Dr Cristian Vignali, 2008, 'Investigating the peculiar X-ray spectral properties of the NLQ PG 1543+489', 17.56_20190403_1200, European Space Agency, https://doi.org/10.5270/esa-g5a9b1d