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Far-infrared line deficits in galaxies with extreme LFIR/M H2 ratios

Abstract:

We report initial results from the far-infrared fine structure line observations of a sample of 44 local starbursts, Seyfert galaxies, and infrared luminous galaxies obtained with the PACS spectrometer on board Herschel. We show that the ratio between the far-infrared luminosity and the molecular gas mass, LFIR/MH2, is a much better proxy for the relative brightness of the far-infrared lines than LFIR alone. Galaxies with high LFIR/MH2 ratios tend to have weaker fine structure lines relative ...

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Publisher copy:
10.1088/2041-8205/728/1/L7

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Journal:
Astrophysical Journal Letters
Volume:
728
Issue:
1 PART II
Publication date:
2011-02-10
DOI:
EISSN:
2041-8213
ISSN:
2041-8205
URN:
uuid:9725a35f-e8ae-4402-9737-e73c3fd06a0b
Source identifiers:
444433
Local pid:
pubs:444433

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