Ultraviolet-optical observations of the Seyfert 2 galaxies NGC 7130, NGC 5135, and IC 3639: implication for the starburst-active galactic nucleus connection

摘要

We present and discuss Hubble Space Telescope(HST)(WFPC2 and FOC) images and ultraviolet (GHRS) spectra plus ground-based optical spectra of three Seyfert 2 nuclei(NGC 7130 NGC 5135 and IC 3639). These galaxies, together with Mrk 477 (Heckman et al.), were selected on the basis of ultravio- let brightness from a bigger sample that comprises the 20 brightest Seyfert 2 nuclei, with the goal of Studying the starburst-active galactic nucleus (AGN) connection and the origin of the so-called "featureless continuum" in Seyfert 2 nuclei.