AAS 207th Meeting, 8-12 January 2006
Session 106 Measuring Cosmological Parameters
Invited, Tuesday, 3:40-4:30pm, January 10, 2006, Ballroom/Salon 2

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[106.01] Measuring Cosmological Parameters

W.L. Freedman (Carnegie Observatories)

It is an unparalleled time in the history of cosmology. The precision in cosmological parameters continues to increase, and a new generation of facilities promises to provide even tighter constraints on cosmological models. The biggest challenge to the accuracy of these measurements is systematic errors. I will review current progress in cosmology, with particular focus on measurements of the Hubble constant and dark energy, and give an update on the status of the Carnegie Supernova Program. I will also discuss future plans for improving the accuracy in these measurements. Finally, I will briefly describe current plans for building a 24.5-meter optical telescope, the Giant Magellan Telescope.

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