The Spitzer Interacting Galaxies Survey : Investigating the connection between activity and galaxy interactions

Details The Spitzer Interacting Galaxies Survey : Investigating the connection between activity and galaxy interactions The Spitzer Interacting Galaxies Survey : Investigating the connection between activity and galaxy interactions

Jun 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005sptz.prop20140z&link_type=abstract

Spitzer Proposal ID #20140

Computer Science

Scientific paper

We propose a sensitive, coherent study of a representative sample of 110 nearby interacting galaxies. Our goal is to investigate, using a large statistically meaningful sample, how galaxy interactions induce galactic activity either in the form of widespread star-formation or AGN activity. We will use deep IRAC, IRS and MIPS observations to penetrate the obscuration that characterizes galactic nuclei and star-forming regions in order to map the star-forming activity throughout the galaxies and detect and measure AGN activity. This in concert with simulations of galaxy interactions will allow us to address questions like : (1) how do interactions trigger star-formation; (2) how large concentrations of gas and dust in the central regions may promote or hide AGN activity and (3) if and how star-forming and AGN activity relates with the parameters of the interaction. Our team includes experts in Spitzer post-pipeline data reduction, analysis and theoretical modeling. Although we plan an extensive analysis and modeling effort, we intend the release the data to the community with no proprietary period once the sample is completed.

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