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

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

1997-06-13

arxiv.org/abs/astro-ph/9706133v2

Astronomy and Astrophysics

Astrophysics

4 pages. Accepted for publication in A&A (Letters). Minor LaTeX change for figure orientation

Scientific paper

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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