Stellar Population Properties in the Nuclei and Bulges of the Nearby Lenticular Galaxies
Abstract
The properties of stellar populations in the centers of 54 nearby lenticular galaxies are investigated by means of 2D spectroscopy, with the Multi-Pupil Spectrograph of the 6m telescope of SAO RAS; the unresolved nuclei and their surrounding bulges are analysed separately. All the galaxies are divided into four subgroups depending on the environments type. Clear distinctions between the mean stellar ages and abundance ratios of the nuclei and of the bulges, both, are found for the S0s in clusters and group centers, on the one hand, and in field, on the other hand.
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