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IUE Spectra of the Seyfert 1 Galaxies Mrk 335 and NGC 4051

Hyung, Siek; Kim, Hyouk; Lee, Woo Baik +3 more

The international ultraviolet explorer (IUE) spectra of a low dispersion ~6 A, have been investigated for two Seyfert 1 galaxies, Mrk 335 and NGC 4051, well known for the line variability. The electron densities of broad line region (BLR) of these variable Seyfert 1 galaxies have been derived, which showed a non-linear abrupt variation from 1e+8 t…