Galaxy chemical abundaces trace their history of star-fromation, as well as the cumulative effects of gas flows into and out of the galaxy. To better understand the processes driving galaxy evolution, I employ the use of integral field spectrograps (e.g., Keck-KCWI, VLT-MUSE, and now JWST-MIRI/MRS), to map the distribution of chemical abundances and ionized gas within galaxies.
We compare the different Te measurements with H II region and ISM environmental properties such as electron density, ionization parameter, molecular gas velocity dispersion, and stellar association/cluster mass and age obtained from PHANGS.
We observed IZw18 using the Keck Cosmic Web Imager. These observations reveal, for the first time, two additional He II emitting regions that are potentially powered by the galaxy's ULX source
We perform a Very Large Telescope FOcal Reducer and low-dispersion Spectrograph 2 narrowband imaging search around five star-forming galaxies at redshift z = 0.67-0.69 in the Great Observatories Origins Deep Survey South field to constrain the radial extent of large-scale outflows traced by resonantly scattered Mg II emission
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