Abstract
We present some highlights from the mid-infrared (5–16 µm) images of mergers of massive galaxies obtained with the Infrared Space Observatory (ISO). We have observed: 1) ultraluminous infrared nuclei, 2) luminous dust-enshrouded extranuclear starbursts, and 3) active galaxy nuclei (AGNs). In this contribution we discuss the observations of Arp 299, a prototype for very luminous infrared galaxies, the Antennae which is a prototype of mergers, and Centaurus A which is the closest AGN to Earth. From these observations we conclude the following: I) the most intense starbursts in colliding systems of galaxies and the most massive stars are dust-enshrouded in regions that appear inconspicuous at optical wavelengths, 2) the most intense nuclear infrared sources are a combination of AGN and starburst activity, 3) the hosts of radio loud AGNs that trigger giant double-lobe structures may be symbiotic galaxies composed of barred spirals inside ellipticals.
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Mirabel, I.F., Laurent, O. (2000). ISO Images of Starbursts and Active Galaxies. In: Block, D.L., Puerari, I., Stockton, A., Ferreira, D. (eds) Toward a New Millennium in Galaxy Morphology. Springer, Dordrecht. https://doi.org/10.1007/978-94-011-4114-7_26
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DOI: https://doi.org/10.1007/978-94-011-4114-7_26
Publisher Name: Springer, Dordrecht
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