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Vibrationally Excited HC3N in NGC 4418

Published online by Cambridge University Press:  21 October 2010

F. Costagliola  and
S. Aalto
F. Costagliola
Affiliation:
Department of Radio and Space Science, Chalmers University of Technology, Onsala Space Observatory, SE-439 92 Onsala, Sweden email: francesco.costagliola@chalmers.se, saalto@chalmers.se
S. Aalto
Affiliation:
Department of Radio and Space Science, Chalmers University of Technology, Onsala Space Observatory, SE-439 92 Onsala, Sweden email: francesco.costagliola@chalmers.se, saalto@chalmers.se
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Luminous infrared galaxies (LIRGs) emit most of their radiation in the infrared region of the spectrum in the form of dust thermal continuum, with typical luminosities of LIR > 1010 L⊙. The central power source responsible for the total energy output is deeply buried in the dusty central regions of these objects and its origin still unclear. Recent studies by Spoon et al. (2007) and Aalto et al. (2007) suggest that some LIRGs might represent early obscured stages of active galaxies, either AGNs or starbursts, and thus play a fundamental role in galaxy formation and evolution.

Keywords

galaxies: evolutiongalaxies: individual: NGC 4418galaxies: starburstgalaxies: activeradio lines: ISMISM: molecules
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 5 , Highlights H15: Highlights of Astronomy , November 2009 , pp. 421 - 422
Copyright
Copyright © International Astronomical Union 2010

References

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