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2010MNRAS.406.2000M - Mon. Not. R. Astron. Soc., 406, 2000-2012 (2010/August-2)
Initial conditions for globular clusters and assembly of the old globular cluster population of the Milky way.
MARKS M. and KROUPA P.
Abstract (from CDS):
Since the oldest GCs are early residuals from the formation of the Milky Way (MW) and the derived initial conditions probe the environment in which the clusters formed, we use the results as a new tool to study the formation of the inner GC system of the Galaxy. We achieve time-resolved insight into the evolution of the pre-MW gas cloud on short time-scales (a few hundred Myr) via cluster metallicities. The results are shown to be consistent with a contracting and self-gravitating cloud in which fluctuations in the pre-MW potential grow with time. An initially relatively smooth tidal field evolved into a grainy potential within a dynamical time-scale of the collapsing cloud.
Abstract Copyright: © 2010 The Authors. Journal compilation © 2010 RAS
Journal keyword(s): Galaxy: formation - globular clusters: general - Galaxy: halo
Simbad objects: 24
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