Prestellar cores in turbulent-cloud simulations collapse on roughly twice the freefall timescale, while observed lifetime slopes and coherent-core kinematics are reproduced as beam-smearing and projection artifacts.
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Prestellar Cores in Turbulent Clouds: Observational Perspectives on Structure, Kinematics, and Lifetime
Prestellar cores in turbulent-cloud simulations collapse on roughly twice the freefall timescale, while observed lifetime slopes and coherent-core kinematics are reproduced as beam-smearing and projection artifacts.