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Dwarf spheroidal galaxies are regarded as the basic building blocks in theformation of larger galaxies and are believed to be the most dark matterdominated systems known in the Universe. There are several models that attemptto explain their formation and evolution, but they have problems to model theformation of isolated dwarf spheroidal galaxies. Here, we will explain apossible formation scenario in which star clusters form inside the dark matterhalo of a dwarf spheroidal galaxy. Those star clusters suffer from low starformation efficiency and dissolve while orbiting inside the dark matter halo.Thereby, they build the faint luminous components that we observe in dwarfspheroidal galaxies. In this paper we study this model by adding different starformation histories to the simulations to compare the results with our previouswork and observational data to show that we can explain the formation of dwarfspheroidal galaxies.

A possible formation scenario for dwarf spheroidal galaxies - III. Adding star formation histories to the fiducial model