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The Formation of Substellar Objects Induced by the Collision of Protostellar Disks

Science  25 Sep 1998:
Vol. 281, Issue 5385, pp. 2025-2027
DOI: 10.1126/science.281.5385.2025

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Abstract

Simulations of a close encounter between two protostars, each surrounded by a relatively massive disk, resulted in the ejection of some of the disk material into a tidal tail. A portion of the tail condensed into an object with a mass in the range of 5 to 10 jovian masses. This mechanism may explain the existence of the single objects of substellar mass that have recently been discovered.

  • * To whom correspondence should be addressed. E-mail: gpl{at}astro.berkeley.edu

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