Abstract.
We present preliminary results from the first hydrodynamic calculation to follow the collapse and fragmentation of a large-scale turbulent molecular cloud into a stellar cluster while resolving beyond the opacity limit for fragmentation. The calculation produces a mixture of single and binary stars with comparable numbers of stars and brown dwarfs. Without exception, the brown dwarfs are formed by ejection from unstable multiple systems. The calculation produces a stellar initial mass function in agreement with observations. However, at this stage in the calculation, no high-mass (> 0.03 M\(_\odot\)) brown dwarfs have been formed because they are ejected too soon after formation to have accreted much mass.
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Bate, M.R., Bonnell, I.A., Bromm, V. The Formation of a Cluster of Stars and Brown Dwarfs in a Turbulent Molecular Cloud. In: Alves, J.F., McCaughrean, M.J. (eds) The Origin of Stars and Planets: The VLT View. ESO ASTROPHYSICS SYMPOSIA. Springer, Berlin, Heidelberg. https://doi.org/10.1007/10856518_18
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DOI: https://doi.org/10.1007/10856518_18
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Publisher Name: Springer, Berlin, Heidelberg
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