Mass segregation in young stellar clusters

Details Mass segregation in young stellar clusters Mass segregation in young stellar clusters

Apr 1998

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998mnras.295..691b&link_type=abstract

Monthly Notices of the Royal Astronomical Society, vol. 295, p. 691

Astronomy and Astrophysics

Astronomy

186

Star Clusters, Mass Distribution, Stellar Evolution, Massive Stars, Dynamic Characteristics, Relaxation Time, Orion Nebula, Star Formation

Scientific paper

We investigate the evolutionary effect of dynamical mass segregation in young stellar clusters. Dynamical mass segregation acts on a time scale of the order of the relaxation time of a cluster. Although some degree of mass segregation occurs earlier, the position of massive stars in rich young clusters generally reflects the cluster's initial conditions. In particular, the positions of the massive stars in the Trapezium cluster in Orion cannot be due to dynamical mass segregation but indicate that they formed in, or near, the center of the cluster. Implications of this for cluster formation and for the formation of high-mass stars are discussed.

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