Appleton, P. N. and Armus, L. and Fadda, D. and Marleau, F. (2006) The IR Properties of Interacting and Merging Galaxies to z = 1.3. In: The Spitzer Space Telescope : new views of the cosmos. ASP Conference Series (357). Astronomical Society of the Pacific , San Francisco, pp. 250-253. ISBN 978-1-583812-25-9 http://resolver.caltech.edu/CaltechAUTHORS:20110128-135621960
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We attempt to understand the role of collisions and mergers on the IR-bright galaxy population since a redshift of ~1.5, where the median star formation rate is falling the most rapidly. Using over a thousand 24µm sources from the Extragalactic First Look Survey contained with 50 HST/ACS fields, we classify their morphologies using both the CAS automated method, and a subjective "human inspection" method. We conclude that out to z = 1.5, both the 24µm luminosity and the 24/6.8µm color is not strongly coupled to CAS morphology or merger state. Dusty AGN, on the other hand, seem both more luminous and more symmetrical than star formation-dominated systems.
|Item Type:||Book Section|
|Additional Information:||© 2006 Astronomical Society of the Pacific.|
|Usage Policy:||No commercial reproduction, distribution, display or performance rights in this work are provided.|
|Deposited By:||Tony Diaz|
|Deposited On:||04 Feb 2011 21:37|
|Last Modified:||24 Apr 2012 22:55|
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