Astronomy and Astrophysics – Astrophysics
Scientific paper
2000-05-08
Astronomy and Astrophysics
Astrophysics
Poster contribution presented at the Joint MPE,AIP,ESO workshop on NLS1s, Bad Honnef, Dec. 1999, to appear in New Astronomy Re
Scientific paper
Based on photoionization calculations we present a study of the NLR emission line ratios of Narrow-line Seyfert 1 (NLS1) galaxies. In particular, we investigate the influence of different EUV - soft-X-ray spectral shapes (a giant soft excess, a steep X-ray powerlaw, the presence of a warm absorber) and NLR cloud properties (density, abundances, distance from the continuum source) on the predicted optical emission-line ratios like [OIII] and [FeXIV].
Grupe Dirk
Janek M.
Komossa Stefanie
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