X-ray broad line emission in Seyfert galaxies: Mrk 766 and NGC 4051

Details X-ray broad line emission in Seyfert galaxies: Mrk 766 and NGC 4051 X-ray broad line emission in Seyfert galaxies: Mrk 766 and NGC 4051

Jan 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004adspr..34.2610m&link_type=abstract

Advances in Space Research, Volume 34, Issue 12, p. 2610-2613.

Physics

3

Scientific paper

Long (>100 ks) observations of the bright Seyfert galaxies Mrk 766 and NGC 4051 have been obtained using XMM-Newton. The RGS 5 38 Å spectra reveal evidence of broad features. These can be modelled with relativistic emission lines coming from the immediate vicinity of a massive rotating black hole. Lines of OVIII, NVII and CVI are required to reproduce the spectrum of Mrk 766, whereas the spectrum of NGC 4051 can be modelled using a single, even broader OVIII line. Both Seyferts also exhibit broad iron line emission in the 2 8 keV range, and the data available thus far suggest that the strength of the low-energy emission lines and the strength of the iron line may be correlated.

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