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Results from the EDGES Survey

Published online by Cambridge University Press:  21 March 2017

Liese van Zee  and
the EDGES Team
Liese van Zee
Affiliation:
Department of Astronomy, Indiana University, Bloomington, IN 47405 email: [email protected]
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Abstract

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Results are presented from a deep imaging survey with the Spitzer Space Telescope which was designed to identify and measure the faint stellar populations around nearby galaxies. The Extended Disk Galaxy Exploration Science (EDGES) Survey includes a sample of 92 nearby galaxies with a range of morphological types and environments. The observations include a field-of-view of at least 5 times the optical size and are deep enough to detect stellar mass surface densities of several hundredths of a solar mass per square parsec. The observations reveal extended stellar features, such as stellar disks and stellar streams, around many of the target galaxies, as expected from hierarchical galaxy formation scenarios.

Keywords

galaxies: evolutiongalaxies: halosgalaxies: spiralgalaxies: structure
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 11 , Symposium S321: Formation and Evolution of Galaxy Outskirts , March 2016 , pp. 183 - 185
Copyright
Copyright © International Astronomical Union 2017 

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