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XMM-Newton RGS spectra of four Seyfert 1 galaxies

Published online by Cambridge University Press:  01 August 2006

M. V. Cardaci ,
M. Santos-Lleó  and
A. I. Díaz
M. V. Cardaci
Affiliation:
Universidad Autónoma de Madrid, Cantoblanco, 28049-Madrid, Spain email: [email protected] XMM-Newton Science Operation Centre, ESAC, ESA, PO Box 50727, 28080 Madrid, Spain
M. Santos-Lleó
Affiliation:
XMM-Newton Science Operation Centre, ESAC, ESA, PO Box 50727, 28080 Madrid, Spain
A. I. Díaz
Affiliation:
Universidad Autónoma de Madrid, Cantoblanco, 28049-Madrid, Spain email: [email protected]
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Abstract

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Using the spectral fitting technique we have studied the components contributing to the soft X-ray spectra of four AGN. The selected objects are the Seyfert 1 galaxies: HE 1143-1810, Mkn 110, CTS A08.12 and ESO 359-G19. The high-resolution X-ray spectra analysed were taken with the Reflection Grating Spectrometers on board the XMM-Newton satellite. In contrast to the results for other well-studied Seyfert 1 galaxies, we have found that the spectra of the four galaxies lack of significant absorption features. Hence, there are no signs of high-column-density partially-ionised absorbing material in the vicinity of the active nucleus in these galaxies.

Keywords

galaxies: Seyfert – galaxies: individual (HE 1143-1810, CTS A08.12, ESO 359-G19, Mkn 110) – X-rays: galaxies
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 2 , Symposium S238: Black Holes from Stars to Galaxies – Across the Range of Masses , August 2006 , pp. 335 - 336
Copyright
Copyright © International Astronomical Union 2007

References

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