203 citations · 1.9k across the 58 of their papers we have counts for
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astro-ph2003★ 17 cited
The Narrow Line Region of Ark 564
Marcella Contini, Alberto Rodriguez-Ardila, Sueli Viegas
The continuum and emission-line spectrum of the narrow-line Seyfert 1 galaxy Ark 564 is used to investigate, for the first time, the physical conditions and structure of its narrow…
astro-ph2003★ 52 cited
Hidden starburst in Seyfert 1 Galaxies
A. Rodriguez-Ardila, S. Viegas
We report the detection of the 3.3 mu Polycyclic Aromatic Hydrocarbon (PAH) feature in two Seyfert 1 galaxies - NGC 3227 and Mrk 766, and one QSO - Mrk 478, observed with SpeX at I…