Contribution Of Starburst Regions In AGN Spectra

Astronomy and Astrophysics – Astronomy

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Scientific paper

We discuss the contribution of the starburst regions in AGN (Active Galactic Nuclei) spectra. We select a sample of 302 AGN spectra and we divide it into two subsamples concerning the narrow line [O III]/Hα NLR ratio, since we expect more starburst (H II) region contribution for R = log([O III]/Hα NLR) < 0.5. We find significant differences in correlations between spectral properties of objects with R < 0.5 and R > 0.5. The most interesting is the correlation between the continuum luminosity and FWHM Hα for R< 0.5 subsample (starburst dominant) that indicates connection between the Broad Line Region (BLR) kinematics and continuum source.

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