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arxiv: astro-ph/0005145 · v1 · submitted 2000-05-08 · 🌌 astro-ph

FOS Observations of Four NLS1s

classification 🌌 astro-ph
keywords absorptionfournls1sabsorbedabsorberfeatureshigh-ionizationlines
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Ultraviolet through optical spectroscopy of four NLS1s shows strong absorption features in the high-ionization UV resonance lines such as C IV, N V, and Si IV. Mg II is not absorbed. The absorption could originate in the warm absorber.

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