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The case for thermalization as a contributor to the [C ii] deficit

dc.contributor.authorSutter, J.
dc.contributor.authorDale, D.A.
dc.contributor.authorSandstrom, K.
dc.contributor.authorSmith, J.D.T.
dc.contributor.authorBolatto, A.
dc.contributor.authorBoquien, M.
dc.contributor.authorCalzetti, D.
dc.contributor.authorCroxall, K.V.
dc.contributor.authorDe Looze, I.
dc.contributor.authorGalametz, M.
dc.contributor.authorGroves, B.A.
dc.contributor.authorHelou, G.
dc.contributor.authorHerrera-Camus, R.
dc.contributor.authorHunt, L.K.
dc.contributor.authorKennicutt, R.C.
dc.contributor.authorPelligrini, E.W.
dc.contributor.authorWilson, C.
dc.contributor.authorWolfire, M.G.
dc.date.accessioned2021-07-17T02:52:58Z
dc.date.available2021-07-17T02:52:58Z
dc.date.issued2021
dc.identifier.citationSutter, J., Dale, D. A., Sandstrom, K., Smith, J. D. T., Bolatto, A., Boquien, M., Calzetti, D., Croxall, K. V., De Looze, I., Galametz, M., Groves, B. A., Helou, G., Herrera-Camus, R., Hunt, L. K., Kennicutt, R. C., Pelligrini, E. W., Wilson, C., & Wolfire, M. G. (2021). The case for thermalization as a contributor to the [C ii] deficit. Monthly Notices of the Royal Astronomical Society, 503(1), 911–919.
dc.identifier.issn0035-8711
dc.identifier.doi10.1093/mnras/stab490
dc.identifier.urihttp://hdl.handle.net/10150/660700
dc.description.abstractThe [C ii] deficit, which describes the observed decrease in the ratio of [C ii] 158 μm emission to continuum infrared emission in galaxies with high star formation surface densities, places a significant challenge to the interpretation of [C ii] detections from across the observable universe. In an attempt to further decode the cause of the [C ii] deficit, the [C ii] and dust continuum emission from 18 Local Volume galaxies has been split based on conditions within the interstellar medium where it originated. This is completed using the Key Insights in Nearby Galaxies: a Far-Infrared Survey with Herschel (KINGFISH) and Beyond the Peak (BtP) surveys and the wide-range of wavelength information, from UV to far-infrared emission lines, available for a selection of star-forming regions within these samples. By comparing these subdivided [C ii] emissions to isolated infrared emission and other properties, we find that the thermalization (collisional de-excitation) of the [C ii] line in H ii regions plays a significant role in the deficit observed in our sample. © 2021 The Author(s) Published by Oxford University Press on behalf of Royal Astronomical Society.
dc.language.isoen
dc.publisherOxford University Press
dc.rights© 2021 The Author(s) Published by Oxford University Press on behalf of Royal Astronomical Society.
dc.rights.urihttp://rightsstatements.org/vocab/InC/1.0/
dc.subject(ISM:) H ii Regions
dc.subject(ISM:) photodissociation regions
dc.subjectgalaxies: ISM
dc.titleThe case for thermalization as a contributor to the [C ii] deficit
dc.typeArticle
dc.typetext
dc.contributor.departmentSteward Observatory, University of Arizona
dc.identifier.journalMonthly Notices of the Royal Astronomical Society
dc.description.noteImmediate access
dc.description.collectioninformationThis item from the UA Faculty Publications collection is made available by the University of Arizona with support from the University of Arizona Libraries. If you have questions, please contact us at repository@u.library.arizona.edu.
dc.eprint.versionFinal published version
dc.source.journaltitleMonthly Notices of the Royal Astronomical Society
refterms.dateFOA2021-07-17T02:52:58Z


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