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- Title
A Herschel Spectroscopic Survey of Warm Molecular Gas in Local Infrared Luminous Galaxies.
- Authors
Lu, N.; Zhao, Y.; Xu, C. K.; Gao, Y.
- Abstract
We describe an on-going 194-671 μm spectroscopic survey of a flux-limited sample of 125 local luminous infrared galaxies (LIRGs) with Herschel SPIRE Fourier Transform Spectrometer (FTS). The survey targets primarily the CO spectral line energy distribution (SLED), from J = 4-3 up to J = 13-12, to probe dense and warm molecular gas that should play an intimate role in star formation and/or active galactic nuclear activities in these galaxies. The program is about 75% finished. At S/N > 5, besides the CO lines, we also detected [N ii] 205 μm and [C i] 370 μm (3P2 − 3P1) lines in every target observed. In about half of the observed targets, we also detected [C i] 609 μm (3P1 – 3P0).
- Publication
Proceedings of the International Astronomical Union, 2012, Vol 8, Issue S292, p249
- ISSN
1743-9213
- Publication type
Article
- DOI
10.1017/S1743921313001245