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2011MNRAS.416.2712D - Mon. Not. R. Astron. Soc., 416, 2712-2724 (2011/October-1)
The reliability of [C II] as an indicator of the star formation rate.
DE LOOZE I., BAES M., BENDO G.J., CORTESE L. and FRITZ J.
Abstract (from CDS):
We provide two possible explanations for the origin of the tight correlation between the [C II] emission and the star formation activity on a global galaxy-scale. A first interpretation could be that the [C II] emission from photodissociation regions (PDRs) arises from the immediate surroundings of star-forming regions. Since PDRs are neutral regions of warm dense gas at the boundaries between H II regions and molecular clouds and they provide the bulk of [C II] emission in most galaxies, we believe that a more or less constant contribution from these outer layers of photon-dominated molecular clumps to the [C II] emission provides a straightforward explanation for this close link between the [C II] luminosity and SFR. Alternatively, we consider the possibility that the [C II] emission is associated with the cold interstellar medium, which advocates an indirect link with the star formation activity in a galaxy through the Schmidt law.
Abstract Copyright: 2011 The Authors Monthly Notices of the Royal Astronomical Society2011 RAS
Journal keyword(s): ISM: lines and bands - galaxies: star formation - infrared: galaxies - ultraviolet: galaxies
Simbad objects: 40
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