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Dusty Starbursts within a z=3 Large Scale Structure revealed by ALMA

Published online by Cambridge University Press:  17 August 2016

Hideki Umehata
Hideki Umehata*
Affiliation:
European Southern Observatory, Karl-Schwarzschild-Str. 2, D-85748 Garching, Germany email: humehata@eso.org Institute of Astronomy, School of Science, The University of Tokyo, 2-21-1 Osawa, Mitaka, Tokyo 181-0015, Japan
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Abstract

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The role of the large-scale structure is one of the most important theme in studying galaxy formation and evolution. However, it has been still mystery especially at z>2. On the basis of our ALMA 1.1 mm observations in a z ~ 3 protocluster field, it is suggested that submillimeter galaxies (SMGs) preferentially reside in the densest environment at z ~ 3. Furthermore we find a rich cluster of AGN-host SMGs at the core of the protocluster, combining with Chandra X-ray data. Our results indicate the vigorous star-formation and accelerated super massive black hole (SMBH) growth in the node of the cosmic web.

Keywords

galaxies: evolutioncosmology: large-scale structure of universe

References

Umehata, H., Tamura, Y., Kohno, K., et al. 2014, MNRAS, 440, 3462 Google Scholar