Image of Alice in Wonderland at the Mad Hatter's tea party You are cordially invited to afternoon tea and biscuits wine and chocolate

Astronomy Tea Talks at Caltech

Mondays, Hameetman auditorium (Cahill)
Tea:  4.00pm
Talk: 4.15pm

Organized by:

2011 - 2012 season:
30 April 2012 Joaquin Vieira (Caltech)

High Redshift Strongly Lensed Submillimeter Galaxies

The South Pole Telescope has systematically identified large numbers of high-redshift strongly gravitationally lensed systems. These sources are selected by their extreme mm flux, which is largely independent of redshift and lensing configuration. We are undertaking a comprehensive and systematic followup campaign to use these "cosmic magnifying glasses" to study the cosmic infrared background in unprecedented detail, conduct detailed investigations of the properties of massive galaxies at z~1, inform the condition of the interstellar medium in massive galaxies close to the end of the epoch of reionization, and place limits on dark matter substructure. I will discuss the scientific context and potential for these strongly lensed SMGs, give an overview of our team's extensive followup efforts, and describe our preliminary science results, including recent observations with HST and ALMA.
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Last modified on 26th Apr 2012 by Marco Viero.  

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