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The ionized gas in nearby galaxies as traced by the [NII] 122 and 205 μm transitions

Abstract:

The [N ii] 122 and 205 μm transitions are powerful tracers of the ionized gas in the interstellar medium. By combining data from 21 galaxies selected from the Herschel KINGFISH and Beyond the Peak surveys, we have compiled 141 spatially resolved regions with a typical size of ∼1 kpc, with observations of both [N ii] far-infrared lines. We measure [N ii] 122/205 line ratios in the ∼0.6-6 range, which corresponds to electron gas densities of n e ∼ 1-300 cm-3, with a median value of n e = 30 cm-...

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Publication status:
Published
Peer review status:
Peer reviewed
Version:
Publisher's Version

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Publisher copy:
10.3847/0004-637X/826/2/175

Authors


Herrera-Camus, R. More by this author
Bolatto, A. More by this author
Smith, J. D. More by this author
Draine, B. More by this author
Pellegrini, E. More by this author
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Publisher:
American Astronomical Society Publisher's website
Journal:
The Astrophysical Journal Journal website
Volume:
826
Issue:
2
Pages:
1-17
Publication date:
2016-07-29
Acceptance date:
2016-05-10
DOI:
EISSN:
1538-4357
ISSN:
0004-637X
Pubs id:
pubs:641041
URN:
uri:f761fefb-7489-435b-9cd1-2f3205f5dbc6
UUID:
uuid:f761fefb-7489-435b-9cd1-2f3205f5dbc6
Local pid:
pubs:641041

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