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Proceedings of the International Astronomical Union Proceedings of the International Astronomical Union

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Galaxies Unveiled: Rest-frame UV Clumps at 0.5 < z < 1.5

Published online by Cambridge University Press:  21 March 2017

Emmaris Soto ,
Duilia F. de Mello ,
Marc A. Rafelski ,
Jonathan P. Gardner  and
Anton M. Koekemoer
Emmaris Soto
Affiliation:
Dept. of Physics, The Catholic University of America, Washington, DC, USA NASA/Goddard Space Flight Center, Greenbelt, MD, USA
Duilia F. de Mello
Affiliation:
Dept. of Physics, The Catholic University of America, Washington, DC, USA NASA/Goddard Space Flight Center, Greenbelt, MD, USA
Marc A. Rafelski
Affiliation:
NASA/Goddard Space Flight Center, Greenbelt, MD, USA
Jonathan P. Gardner
Affiliation:
NASA/Goddard Space Flight Center, Greenbelt, MD, USA
Anton M. Koekemoer
Affiliation:
STScI, Baltimore, MD, USA
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Abstract

Studies of high redshift galaxies reveal compact sub-galactic regions of star formation, known as ‘clumps’. These ‘clumpy’ galaxies are useful for the study of galactic outskirts by enabling us to examine the radial progression of clumps over large time scales. We use the first deep high resolution NUV image from the Hubble Space Telescope covering intermediate redshifts to explore the implications this radial progression may have on galaxy evolution. From the analysis of 209 clumpy galaxies, we find that higher redshift clumps dominate the outer regions of galactic outskirts. This indicates that clumps may be migrating from the outskirts inward toward their galactic centers.

Keywords

galactocentric radius galaxies: evolution clump migration
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 11 , Symposium S321: Formation and Evolution of Galaxy Outskirts , March 2016 , pp. 364 - 365
Copyright
Copyright © International Astronomical Union 2017 

References

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Galaxies Unveiled: Rest-frame UV Clumps at 0.5 < z < 1.5
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