The Dynamical Evolution of Globular Clusters

Details The Dynamical Evolution of Globular Clusters The Dynamical Evolution of Globular Clusters

Jul 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007hst..prop11125b&link_type=abstract

HST Proposal ID #11125. Cycle 16

Computer Science

Scientific paper

Globular clusters evolve through dynamical interactions, with primordial binaries extending the time until core collapse by up to an order of magnitude, depending on the initial binary fraction. These dynamical interactions plus mass segregation causes the binary fraction to rise in the core but fall at larger radii. We hope to eventually test these broad predictions by comparing them to the binary properties for globular clusters at different states of evolution, defined by the ratio of their age to the dynamical relaxation time at the half-light radius. The most important unknown aspects in the modeling process are the initial conditions of binaries in the cluster. Here we propose to determine the initial binary fraction as a function of radius by studying three of the dynamically youngest globular clusters NGC 5053, NGC 5466, and NGC 5897. The presence of binaries thickens the Main Sequence in a color-magnitude diagram, which can be detected with deep multicolor images.;

Affiliated with

Also associated with

No associations

Rating

The Dynamical Evolution of Globular Clusters does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with The Dynamical Evolution of Globular Clusters, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and The Dynamical Evolution of Globular Clusters will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-780576