Galaxy Star Formation and Assembly

How do galaxies convert gas into stars, grow in mass, and stop forming stars, and how do those processes depend on the dark matter halos the galaxies live in? My work on these questions spans nearby galaxies to some of the most distant galaxies known.

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  Galaxy Demographics and Assembly

  The growth of the galaxy population, the quenching of star formation, and the galaxy-halo connection.

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  Star Formation and Feedback

  How stars and black holes regulate the growth of galaxies.

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  Chemical Evolution

  Tracing the buildup of heavy elements in galaxies.

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  The First Galaxies

  Finding the earliest galaxies with gravitational lensing.