SFHs Across the Merging Disks of Arp 244 - from FUV to MIR

Details SFHs Across the Merging Disks of Arp 244 - from FUV to MIR SFHs Across the Merging Disks of Arp 244 - from FUV to MIR

Apr 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010iaus..262..454z&link_type=abstract

Stellar Populations – Planning for the Next Decade, Proceedings of the International Astronomical Union, IAU Symposium, Volume 2

Astronomy and Astrophysics

Astronomy

Galaxies: The “Anennae” Galaxies–Galaxies: Interactions– Galaxies: Stellar Content

Scientific paper

Including MIPS 24 μm dust emission in the multi-band stellar population analysis, we roughly constrain the star formation histories (SFHs) of MIPS 24 μm selected star-forming regions across the merging disks of the Antennae galaxies. While the overlap regions hold the highest ratios of young over intermediate populations, the western-loop regions have the highest ratios of intermediate to old populations. We find two sequential star formation (SF) paths in the overlap regions, which we interpret as the imprint of the interpenetrating process of the two merging disks following their second close encounter.

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