CHIMPS: Physical properties of molecular clumps across the inner Galaxy
- Rigby, A. J.
- Moore, T. J. T.
- Eden, D. J.
- Urquhart, J. S.
- Ragan, S. E.
- Peretto, N.
- Plume, R.
- Thompson, M. A.
- Currie, M. J.
- Park, G.
DOIAbstract
© ESO 2019.The latest generation of high-angular-resolution unbiased Galactic plane surveys in molecular-gas tracers are enabling the interiors of molecular clouds to be studied across a range of environments. The CHIMPS survey simultaneously mapped a sector of the inner Galactic plane, within 27.8 <l <46.2 deg and |b| <0.5 deg, in 13CO and C18O (3-2) at 15 arcsec resolution. The combination of CHIMPS data with 12CO (3-2) data from the COHRS survey has enabled us to perform a voxel-by-voxel local-thermodynamic-equilibrium analysis, determining the excitation temperature, optical depth, and column density of 13CO at each l,b,v position. Distances to discrete sources identified by FellWalker in the 13CO (3-2) emission maps were determined, al...
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