University of Birmingham > Talks@bham > Astrophysics Talks Series > Time-delay cosmography: the present and the future

Time-delay cosmography: the present and the future

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The arrival time delays of multiply imaged strong gravitationally lensed sources provides a one-step cosmological distance measurement. The methodology, known as time-delay cosmography, rose to prominence to provide precise measurements of the Hubble constant, independent of the local distance ladder and the cosmic microwave background. I introduce the methodology and key ingredients, as well as possible systematics. I will then highlight the progress made in the last decade, present the recent results obtained, and present an outlook in the near future.

This talk is part of the Astrophysics Talks Series series.

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