Computer Science
Scientific paper
Dec 1999
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999pyuno......314x&link_type=abstract
Publications of the Yunnan Observatory, Suppl. 1999, p. 314 - 317
Computer Science
Seyfert Galaxies: Forbidden Lines, Seyfert Galaxies: Iron Lines, Seyfert Galaxies: Balmer Lines
Scientific paper
The author presents the discovery of 18 narrow line Seyfert 1 galaxies.
The optical spectra show the Balmer lines only slightly broader than the
forbidden lines and contain strong Fe II emisson. No particularly soft
X-ray spectral slopes can be seen compared to a normal Seyfert 1
galaxies sample.
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