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Highlights of Spanish Astrophysics V pp 27–38Cite as

Gravitational Lenses: An Update

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Part of the book series: Astrophysics and Space Science Proceedings ((ASSSP))

Abstract

The impact of gravitational lenses on our knowledge of the Universe is inversely proportional to their scarcity. In the weak-field limit, lensing studies are based on well-established physics and thus offer a direct, simple approach to address many pressing problems of astrophysics and cosmology. Examples of these are the significance of dark matter and the density, age and size of the Universe. I describe examples of these applications. I also present new developments in cosmological applications of gravitational lenses, regarding estimates of the Hubble constant using strong lensing of quasars. I describe our recent measurements of time delays for the images of SDSS J1004+4112, and discuss prospects for the future utilizing synoptic telescopes, planned, under construction, and beginning operations.

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Acknowledgements

I acknowledge support from the Smithsonian Institution and from HST grants in support of CASTLES. I would also like to thank the CASTLES team, Janine Fohlmeister and Joachim Wambsganss for always interesting discussions. I am very grateful to the SOC, as well as Xavier Barcons and Luis Goicoechea for the invitation to present a talk at SEA 2008 in Santander.

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Authors and Affiliations

  1. F. L. Whipple Observatory, Smithsonian Institution, 6369, Amado, AZ, 85645, USA

    Emilio E. Falco

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  1. Emilio E. Falco
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Corresponding author

Correspondence to Emilio E. Falco .

Editor information

Editors and Affiliations

  1. Instituto de Física de Cantabria, Avda. de Los Castros s/n, Santander, 39005, Cantabria, Spain

    Jose M. Diego

  2. Depto. Física Moderna, Universidad de Cantabria, Avda. de Los Castros s/n, Santander, 39005, Cantabria, Spain

    Luis J. Goicoechea

  3. Instituto de Física de Cantabria, Avda. de Los Castros s/n, Santander, 39005, Cantabria, Spain

    J. Ignacio González-Serrano

  4. Depto. Astrofísica, Universidad Complutense de Madrid, Ciudad Universitaria s/n, Madrid, 28040, Spain

    Javier Gorgas

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Falco, E.E. (2010). Gravitational Lenses: An Update. In: Diego, J., Goicoechea, L., González-Serrano, J., Gorgas, J. (eds) Highlights of Spanish Astrophysics V. Astrophysics and Space Science Proceedings. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-11250-8_3

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  • DOI: https://doi.org/10.1007/978-3-642-11250-8_3

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  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-642-11249-2

  • Online ISBN: 978-3-642-11250-8

  • eBook Packages: Physics and AstronomyPhysics and Astronomy (R0)

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