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The Kinematic Assembly of Disk Galaxies

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If you have a question about this talk, please contact Martin Haehnelt.

One of the most important open issues in astronomy is the assembly of galactic disks. I approach this subject from an observational perspective, tracing the kinematic evolution of star-forming galaxies since a redshift of 1, or over the last 8 billion years of the Universe. I will discuss recent results that show the progressive (and mass-dependent) assembly of disk galaxies over this time period. I will also introduce a mass threshold, below which disk formation is not guaranteed in today’s universe. These results strongly challenge the traditional analytic model of galaxy formation and provide an important benchmark for simulations.

This talk is part of the Galaxies Discussion Group series.

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