Dissipation and dynamical friction effects on the number of star clusters in a galaxy

Details Dissipation and dynamical friction effects on the number of star clusters in a galaxy Dissipation and dynamical friction effects on the number of star clusters in a galaxy

May 1998

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998astl...24..343s&link_type=abstract

Astronomy Letters, Volume 24, Issue 3, May 1998, pp.343-349; Pis'ma v Astronomicheskii Zhurnal, Vol. 24, p. 407

Astronomy and Astrophysics

Astronomy

3

Scientific paper

The evolution of the number of globular clusters in a galaxy of arbitrary mass and constant circular velocity is investigated. Numerical simulations have led to the following principal conclusions: (a) if the initial number of clusters is proportional to the mass of the parent galaxy, the current specific frequency of clusters (S_N) must be higher in more massive galaxies; (b) S_N abruptly decreases with age for low-mass galaxies and can be virtually equal to zero in galaxies with M_g < 10^9M_solar; (c) reconstruction of the initial cluster population suggests that the initial specific frequency of clusters was the same in different galaxies.

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