NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: 2019-06-18 T12:22:38 PDT
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For refcode 2012MNRAS.422.1384F:
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Copyright by Royal Astronomical Society. 2012MNRAS.422.1384F Dust and ionized gas association in E/S0 galaxies with dust lanes: clues to their origin Finkelman, Ido; Brosch, Noah; Funes, Jose G.; Barway, Sudhanshu; Kniazev, Alexei; Vaisanen, Petri Abstract. We present results from an ongoing programme to study the dust and ionized gas in E/S0 galaxies with dust lanes. Our data, together with results from previous studies of E/S0 galaxies, are used to demonstrate the close relationship between these two components. This relationship is discussed in light of our current understanding of the nature and origin of the interstellar medium (ISM), and in particular in the context of the interplay between the different multi-temperature components. We show that focusing on dust obscured regions as tracers of the ISM, and on their properties, serves as independent evidence for the external origin of the dust and ionized gas. Key words: dust, extinction, H II regions, galaxies: elliptical and lenticular, cD, galaxies: ISM
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