13 CO/C 18 O gradients across the disks of nearby spiral galaxies
We use the IRAM Large Program EMPIRE and new high-resolution ALMA data to measure 13CO(1-0)/C18O(1-0) intensity ratios across nine nearby spiral galaxies. These isotopologues of CO are typically optically thin across most of the area in galaxy disks, and this ratio allows us to gauge their relative...
Gespeichert in:
| Hauptverfasser: | , , |
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| Dokumenttyp: | Article (Journal) Kapitel/Artikel |
| Sprache: | Englisch |
| Veröffentlicht: |
2017
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| In: |
Arxiv
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| Online-Zugang: | Verlag, kostenfrei, Volltext: http://arxiv.org/abs/1701.01734
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| Verfasserangaben: | María J. Jiménez-Donaire, Diane Cormier, Frank Bigiel, Adam K. Leroy, Molly Gallagher, Mark R. Krumholz, Antonio Usero, Annie Hughes, Carsten Kramer, David Meier, Eric Murphy, Jérôme Pety, Eva Schinnerer, Andreas Schruba, Karl Schuster, Kazimierz Sliwa, Neven Tomicic |
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