The Lifetimes of Phases in High-mass Star-forming Regions

  title={The Lifetimes of Phases in High-mass Star-forming Regions},
  author={Cara Battersby and J. M. Bally and Brian E. Svoboda},
  journal={The Astrophysical Journal},
High-mass stars form within star clusters from dense, molecular regions (DMRs), but is the process of cluster formation slow and hydrostatic or quick and dynamic? We link the physical properties of high-mass star-forming regions with their evolutionary stage in a systematic way, using Herschel and Spitzer data. In order to produce a robust estimate of the relative lifetimes of these regions, we compare the fraction of DMRs above a column density associated with high-mass star formation, N(H2… 

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