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The physics of the star formation process in M51

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Infrared Emission, ISM and Star Formation!<br />

Dumas Gaelle, February 24 th 2010!<br />

24µm vs 3.6cm<br />

24µm vs 6cm<br />

24µm vs 20cm<br />

12” ~ 500pc<br />

Wavelet cross-correlation!<br />

• 24µm vs 3.6cm ~ TR/IR<br />

high correlation<br />

• 24µm vs 20cm ~ NTR/IR<br />

correlation down to 50% for<br />

scales < 500pc<br />

• Local extrema role <strong>of</strong><br />

<strong>the</strong> structures: spiral<br />

arms…

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