Evolution of the globular cluster system of a triaxial galaxy

Details Evolution of the globular cluster system of a triaxial galaxy Evolution of the globular cluster system of a triaxial galaxy

Dec 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997mnras.292..808c&link_type=abstract

Monthly Notices of the Royal Astronomical Society, vol. 292, p. 808

Astronomy and Astrophysics

Astronomy

21

Globular Clusters, Galactic Structure, Star Distribution, Astronomical Models, Kinematics, Dynamics

Scientific paper

Dynamical friction and tidal disruption are effective mechanisms of evolution of globular cluster systems, especially in nonaxisymmetric galaxies with a central compact nucleus. With a semi-analytical approach based on a knowledge of the dependence of the dynamical friction and tidal disruption effects on the relevant parameters, we are able to follow the time evolution of the globular cluster system in a model or a triaxial galaxy and give its observable properties to compare with observational data. An important result is that the flatter distribution of the globular cluster system compared with that of the stellar bulge, as observed in many galaxies, can be explained by the evolution of the globular cluster system, starting from the same density profile.

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