Fig. C.1

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Filamentary structures identified from Spitzer 8 µm and 13CO(1-0) data. Top Panel: Filamentary structures identified using Spitzer IRAC 8 µm emission with the FilFinder algorithm. Middle Panel: Filamentary structures identified using 13CO (1-0) data in the velocity range of 17.93–18.76 km s−1. Bottom Panel: Manually refined filament paths overlaid on the 13CO(1-0) integrated intensity map (17.93–18.76 km s−1), with HFS-1 and HFS-2 marked.
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