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Date and Time of the Query: 2019-06-18 T14:55:51 PDT
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For refcode 1988ApJ...332L..55S:
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Copyright by American Astronomical Society. Reproduced by permission
1988ApJ...332L..55S EXTENDED BROAD-LINE EMISSION IN THE OBSCURED SEYFERT 1 NUCLEUS OF NGC 4388 JOSEPH C. SHIELDS AND ALEXEI V. FILIPPENKO Department of Astronomy, University of California at Berkeley Received 1988 May 25; accepted 1988 June 17 ABSTRACT We present spectroscopic observations of extended, off-nuclear broad H{alpha} emission (FWZI~ 4000 km s^-1^) in NGC 4388, a galaxy often classified as a type 2 Seyfert. These features are interpreted as scattered radiation from a Seyfert 1 nucleus that is obscured along our line of sight, possibly by the normal interstellar medium in this galaxy. NGC 4388 strongly resembles NGC 1068, another object with a hidden broad-line region, and may be useful for understanding the relationship between Seyfert 1 and Seyfert 2 galaxies. A scattering origin for the off-nuclear broad emission may be tested by spectropolarimetric observations. Subject headings: galaxies: individual (NGC 4388) - galaxies: nuclei - galaxies: Seyfert
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