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Mapping the interstellar medium in galaxies with Herschel
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posted on 2023-06-08, 09:59 authored by S A Eales, M W L Smith, C D Wilson, G J Bendo, L Cortese, M Pohlen, A Boselli, H L Gomez, Seb OliverSeb Oliver, et alThe standard method of mapping the interstellar medium in a galaxy, by observing the molecular gas in the CO 1-0 line and the atomic gas in the 21-cm line, is largely limited with current telescopes to galaxies in the nearby universe. In this letter, we use SPIRE observations of the galaxies M99 and M100 to explore the alternative approach of mapping the interstellar medium using the continuum emission from the dust. We have compared the methods by measuring the relationship between the star-formation rate and the surface density of gas in the galaxies using both methods. We find the two methods give relationships with a similar dispersion, confirming that observing the continuum emission from the dust is a promising method of mapping the interstellar medium in galaxies
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Publication status
- Published
Journal
Astronomy and AstrophysicsISSN
0004-6361External DOI
Volume
518Department affiliated with
- Physics and Astronomy Publications
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There are other external co-authors not added in et alFull text available
- No
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- Yes
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2012-02-06Usage metrics
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