Astronomical Data The Astronomical Data group develops and maintains advanced tools for the astrophysics community, especially ones for building probabilistic models and making precise measurements. It builds these tools by carrying out in-house data analysis projects that answer important scientific questions.

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Cosmology X Data Science The Cosmology X Data Science group develops novel algorithms and ways of thinking to apply to datasets to answer fundamental questions about the cosmos.

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Galactic Dynamics The Galactic Dynamics Group explores how structures in the universe, such as dark matter and stellar halos, galaxy disks, and satellite galaxies and streams, are shaped by gravitational interactions and collective dynamics.

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Galaxy Formation The Galaxy Formation group is developing the numerical tools and physical insights necessary to understand how galaxies form and evolve within a cosmological context.

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Gravitational Wave Astronomy The detection of gravitational waves from the merging binary black hole GW150914, followed by the (likely) binary black hole mergers LVT151012, GW151226, and GW170104, means the era of gravitational wave astronomy is upon us.

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Planet Formation The Planet Formation group studies the origin and evolution of planetary systems, as well as related problems in star formation, protoplanetary disks, exoplanets and our Solar System.

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Stars and Compact Objects The Stars and Compact Objects group develops the theoretical framework and computational methods needed to study the life and death of stars, and the astrophysics of neutron stars and black holes.

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