DETECTION OF STRUCTURE IN INFRARED-DARK CLOUDS WITH<i>SPITZER</i>: CHARACTERIZING STAR FORMATION IN THE MOLECULAR RING

ASTROPHYSICAL JOURNAL, no. 1 (2009): 324-349

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We have conducted a survey of a sample of infrared-dark clouds (IRDCs) with the Spitzer Space Telescope in order to explore their mass distribution. We present a method for tracing mass using dust absorption against the bright Galactic background at 8 mu m. The IRDCs in this sample are comprised of tens of clumps, ranging in sizes from 0....更多

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