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LITTLE THINGS and other things: probing star formation near and far

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If you have a question about this talk, please contact David Titterington.

LITTLE THINGS is a Large VLA Project to map in HI some 40 dwarf irregular galaxies in the nearby universe. The HI data are supplemented by a wealth of ancillary data ranging from the FUV to the sub-millimetre. One of its key scientific drivers is to study the star formation process in the low-mass, low-metallicity regime where star formation is episodic and seems to deviate from the relations, such as the Schmidt-Kennicutt star formation “law” that has been established in larger, spiral galaxies. I will report on various projects within the LITTLE THINGS effort, focussing on the Schmidt-Kennicutt relation in dlrrs, the effect low metallicity and low dust have on the properties of molecular clouds in these systems, and out attempts to use the radio continuum at cm-wavelengths as a star formation rate indicator.

This talk is part of the Cavendish Astrophysics Seminars series.

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