MIEOWS: The MIPS-IRAC Edge-on Wonder Survey

Details MIEOWS: The MIPS-IRAC Edge-on Wonder Survey MIEOWS: The MIPS-IRAC Edge-on Wonder Survey

Mar 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008sptz.prop50544w&link_type=abstract

Spitzer Proposal ID #50544

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Scientific paper

Many problems in galactic structure and evolution are uniquely addressed through the study of edge-on spirals. We request MIPS and IRAC imaging of nearby edge-ons, building on existing Spitzer observations to create a substantial, well-defined sample, limited only in K-band angular size. We describe three scientific applications enabled by such a sample that we will carry out by comparing with ancillary data. The first addresses the origin of gaseous halos, while the second tests the role of gravitational instabilities in star formation, and the third focuses on how cosmic rays diffuse into the halo. These are examples of the kind of work that such a sample can leverage, and we expect that it will serve as an important Spitzer legacy by providing a database for further comparative studies. Essential to this research on edge-ons is the use of MIPS 24um images as a high resolution, extinction-free star formation tracer, and IRAC imagery as tracers of the stellar and PAH distribution. The project exploits the unique capabilities of Spitzer which will not be available again in the near future.

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