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The Free-Fall time of finite Sheets and Filaments
Jesús A. Toalá, Enrique Vázquez-Semadeni, Gilberto C. Gómez
Molecular clouds often exhibit filamentary or sheet-like shapes. We compute the free-fall time ($\tff$) for finite, uniform, self-gravitating circular sheets and filamentary clouds…
An Evolutionary Model for Collapsing Molecular Clouds and Their Star Formation Activity
Manuel Zamora-Aviles, Enrique Vázquez-Semadeni, Pedro Colín
We present an idealized, semi-empirical model for the evolution of gravitationally contracting molecular clouds (MCs) and their star formation rate (SFR) and efficiency (SFE). The…
Radiation-magnetohydrodynamic simulations of HII regions and their associated PDRs in turbulent molecular clouds
S. J. Arthur, W. J. Henney, G. Mellema +2
We present the results of radiation-magnetohydrodynamic simulations of the expansion of HII regions and surrounding photodissociation regions in turbulent, magnetised, molecular cl…