Astronomy and Astrophysics – Astrophysics
Scientific paper
1996-07-17
Astronomy and Astrophysics
Astrophysics
16 pages LaTeX file with 12 figures incorporated (120K). Also available by e-mailing spg
Scientific paper
The results of N-body simulations of the expulsion of residual gas from young globular clusters are presented. Globular clusters with a variety of initial masses, Galactocentric radii, concentration and initial mass function slope with star formation efficiencies (SFEs) below 50% were investigated. The residual gas in the clusters was simply treated as an external potential acting upon the star particles which was reduced in a number of ways to simulate the loss of the gas. The states of the clusters after ~50 Myr was compared to the results of Chernoff & Shapiro (1987) in order to estimate if the clusters would be able to survive for a Hubble time or would be disrupted. The rapid expulsion of large amounts of a cluster's initial mass is found to considerably effect the structures of clusters, but they may be able to survive with SFEs far lower than 50%. It is suggested that the Galactic globular cluster population could have formed from a proto-cluster populations with SFEs ~40% and central densities approximately the same as those found in giant molecular clouds.
No associations
LandOfFree
Residual gas expulsion from young 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 Residual gas expulsion from young globular clusters, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Residual gas expulsion from young globular clusters will most certainly appreciate the feedback.
Profile ID: LFWR-SCP-O-395341