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Dense Molecular Gas: A Sensitive Probe of Stellar Feedback Models
Philip F. Hopkins, Desika Narayanan, Norman Murray +1
We show that the mass fraction of GMC gas (n>100 cm^-3) in dense (n>>10^4 cm^-3) star-forming clumps, observable in dense molecular tracers (L_HCN/L_CO(1-0)), is a sensitive probe…
Variations in the Galactic star formation rate and density thresholds for star formation
S. N. Longmore, J. Bally, L. Testi +11
The conversion of gas into stars is a fundamental process in astrophysics and cosmology. Stars are known to form from the gravitational collapse of dense clumps in interstellar mol…
Milky Way Star Forming Complexes and the Turbulent Motion of the Galaxy's Molecular Gas
E. J. Lee, N. Murray, M. Rahman
We analyze Spitzer GLIMPSE, MSX, and WMAP images of the Milky Way to identify 8 micron and free-free sources in the Galaxy. Seventy-two of the eighty-eight WMAP sources have covera…