Protostars and Planets VI, Heidelberg, July 15-20, 2013

Poster 1G019

The effect of stellar dynamics on the distribution of YSOs

Moeckel, Nickolas (University Observatory Munich)

Abstract:
Based on observations and simulations, our understanding of stellar birth sites is evolving from ’most stars form in clusters’ to something more akin to ’most stars form in a wide variety of clusterings and associations’. Determining what the observed distribution of YSOs tells us about the star formation process is the next question. In this poster I summarize some recent work that points out that collisional stellar dynamics can leave an early imprint (i.e. ages less than a few Myr) on YSO positions, with a simple toy model in which ’every star forms in a dense cluster’ quickly reproducing the observed distribution of YSO surface densities. The direct use of locations at a few Myr to determine stellar birth environments is not as straightforward as it might seem.

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