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CANDELS in the high redshift Universe
27.06.2011 - 02.07.2011
Conferences 2011


SESTO_POSTERCANDELS is the largest project in the history of the Hubble Space Telescope, with 902 assigned orbits of observing time. This is the equivalent of four months of Hubble time if executed consecutively, but in practice CANDELS will take three years to complete (2010-2013).

The core of CANDELS is the revolutionary near-infrared WFC3 camera, installed on Hubble in May 2009. WFC3 is sensitive to longer, redder wavelengths, which permits it to follow the stretching of lightwaves caused by the expanding Universe. This enables CANDELS to detect and measure objects much farther out in space and nearer to the Big Bang than before. Together with the ACS camera this will give an unprecedented panchromatic coverage of galaxies from optical wavelengths to the near-IR.

CANDELS will exploit this new lookback power to construct a "cosmic movie" of galaxy evolution that follows the life histories of galaxies from infancy to the present time. In particular one of the principal science goals of CANDELS is to explore the cosmic dawn i.e. the period less than 1 billion years after the Big Bang when the first seeds of cosmic structure began to take shape. CANDELS will compile the first definitive census of primeval galaxies and measure their key properties such as size, star formation rate, and stellar mass. It will allow scientist to measure the evolution of the bright end of the luminosity function at redshift ~ 6, 7 and 8. By mapping the positions of infant galaxies in space it will allow scientists to assess their clustering, one of the best ways to measure their dark-matter halo masses, which are otherwise invisible to telescopes.

This workshop is aimed at bringing together all scientists within the CANDELS collaboration, that are actively working in the various areas related to the study of the high redshift Universe.

We plan to have sessions devoted to the following topics:

-High-redshift galaxy evolution: star-formation rates, ages, metallicities, stellar-masses and dust content of galaxies at the end of the reionization era z ~ 6 - 10;
-The bright end of the luminosity function at redshift ~ 6, 7 and 8;
-The evolution of stellar mass, dust and metallicity at z = 4 - 8;
-Clustering of high redshift galaxies;
-High redshift AGNs;
-Galaxy structure and morphology.


Here you can find the first announcement for this workshop.

Here you can browse the list of participants.



Laura Pentericci
Adriano Fontana
Andrea Grazian
Marco Castellano



Laura Pentericci
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