University of Cambridge > > Institute of Astronomy Seminars > Stellar Mass Assembly of Galaxy Populations up to z = 4 with pop-cosmos

Stellar Mass Assembly of Galaxy Populations up to z = 4 with pop-cosmos

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If you have a question about this talk, please contact Hannah Uebler.

In a recent paper we presented pop-cosmos, a state-of-the-art stellar population synthesis (SPS) framework. We described the details of how we fitted this framework to a large, deep, flux-limited (r < 25) sample of galaxies from the Cosmic Evolution Survey (COSMOS), enabling investigation of the full web of dependencies between different galaxy properties for the first time. In this talk I will present my recent work investigating the star formation histories (SFHs) of galaxy populations up to z=4 utilising the pop-cosmos model. I will begin by summarizing the details of our model and the SFH prescription employed in it. I will then present key galaxy evolution results such as the mean stellar mass assembly histories of galaxy populations through cosmic time. Further, by defining star-forming and quiescent subpopulations based on recent star formation activity (i.e. last 100 Myr), these relations will highlight how these subpopulations build up their stellar mass.

This talk is part of the Institute of Astronomy Seminars series.

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