ESO 438-G 9 - A Seyfert galaxy with unusual properties

Astronomy and Astrophysics – Astrophysics

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Astronomical Spectroscopy, Galactic Clusters, Seyfert Galaxies, Continuous Spectra, Emission Spectra, H Alpha Line, H Beta Line, Iron, Optical Emission Spectroscopy, Ultraviolet Spectroscopy

Scientific paper

The authors discuss optical and UV spectroscopic data of the 1.5 Seyfert galaxy ESO 438-G9 found from a survey of barred galaxies. Its spectrum shows strong Fe II emission. A very steep continuum gradient in the UV is reflected in the absence of higher ionization lines. A double absorption feature is present shortward of the Hα and Hβ emission line centers at relative velocities 2500 and 3500 km s-1. This Seyfert galaxy is a member of a cluster of galaxies.

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