XMM-Newton High resolution spectroscopy of NGC 3516

Details XMM-Newton High resolution spectroscopy of NGC 3516 XMM-Newton High resolution spectroscopy of NGC 3516

Sep 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009hrxs.confe..26m&link_type=abstract

"High Resolution X-ray Spectroscopy: Towards IXO, Proceedings of the international workshop held at the Mullard Space Science La

Physics

Scientific paper

We present a new analysis of the soft and medium X-ray spectrum of the Seyfert 1 galaxy NGC 3516 taken with the RGS and the EPIC-PN camera on board XMM-Newton. We examine four observations (total exposure time of 256 ks) made by XMM-Newton in October of 2006. The source shows significant flux variability between observations. Using the SPEX fitting package, we examine the spectra to uncover how much of the observed variability is due to absorption by the warm absorber regions. The warm absorber is found to consist of three phases of ionisation, two of which have outflow velocities of more than 1000 km/s. The identified absorption lines by the RGS are also presented. Intrinsic changes in the source continuum are found to play a more significant role than previously thought in explaining the observed flux and spectral variability.

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