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--- tests:collision:challenge2 [2014/10/31 14:32] – v.henault-brunet
+++ tests:collision:challenge2 [2015/08/31 12:23] (current) – removed v.henault-brunet
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-====== Challenge 2 ======
-===== Clusters with a mass function =====
-Leader: Miklos Peuten\\
-Other active participants: Mark Gieles, Adriano Agnello, Alice Zocchi, Antonio Sollima, Vincent Henault-Brunet, Anna Lisa Varri
-Questions to address:
-  - Can the mass segregation be reproduced by multi-mass King models?
-  - How important is the effect of mass segregation?
-  - How correct is the assumption of energy equipartition?
-Example of comparison between isotropic multi-mass model and N-body model with 100% retention fraction of stellar BHs:\\
-{{:multi-mass.png}}
-==== Effect of metallicity ====
-Density and velocity profiles of clusters with different mass function:\\
-{{:density-velocity-mm.png}}
-Importance for mass-to-light ratio: (Shanahan et al. to be submitted):\\
-{{:mass-to-light-m31.png}}
-The relevant snapshots from simulations with a mass function are available in [[:tests:collision:mock_data|section B of the Mock data page]].
-The definition of the stellar types (KSTAR) used in the ''NBODY6'' snapshots can be found in the [[:tests:collision:mock_data|Appendix section of the Mock data page]].
-==== Anisotropy in multi-mass models ====
-{{:multi-mass_michie_df.png}}
-Anisotropy profile of different components in multi-mass clusters. Left: N-body simulation with 10% retention fraction of black holes. Right: Three-component multi-mass Michie model.
-{{:beta_multi-mass.png}}
-Anisotropy profile of different mass components in Michie-King multi-mass model constructed with a dependence of the anisotropy radius on stellar mass.
-{{:beta_multi-mass_eta.png}}
-Anisotropy profile of different components in multi-mass cluster, N-body simulation with 100% retention fraction of black holes.
-{{:beta0p5gyr.png}}