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Soft X-ray observations of the complex warm absorber in MCG-6-30-15 with BeppoSAX

Astrid Orr·S. Molendi·F. Fiore·P. Grandi·A. N. Parmar·Alan Owens
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Abstract

We report on soft X-ray observations of the Seyfert 1 galaxy MCG-6-30-15 with the Low and Medium Energy Concentrator Spectrometers on board BeppoSAX. The time averaged 0.1-4 keV spectrum shows evidence for a complex warm absorber. K-edges of highly ionized oxygen (O vii and O viii) can only partly describe the soft X-ray spectrum below 2 keV. A spectral variability study reveales large and rapid changes in absorption at the energy of the O viii K-edge and in the continuum shape and count rate. These fluctuations are not simply correlated.

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Astrid Orr, S. Molendi, F. Fiore, P. Grandi, A. N. Parmar, Alan Owens. 1997-07-01. Soft X-ray observations of the complex warm absorber in MCG-6-30-15 with BeppoSAX. https://arxiv.org/abs/astro-ph/9706133

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