University of Cambridge > Talks.cam > Institute of Astronomy Seminars > Life after death: evidence of dry minor-merger driven growth of massive quiescent galaxies

Life after death: evidence of dry minor-merger driven growth of massive quiescent galaxies

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The average size of quiescent galaxies grows with cosmic time due to both population effects as well as evolution of individual galaxies. Theoretically, individual evolution is thought to occur through a large number of minor dry mergers, necessary to reproduce the kinematic properties of galaxies. This hypothesis is difficult to test with photometric surveys, but new, large and ultra-deep spectroscopic surveys of the early Universe enable us, for the first time, to investigate the kinematic signatures of minor mergers. I report on current work leveraging this new data to gain insight into structural evolution of galaxies after quiescence.

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

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