Spatially-Resolved Spectroscopic Properties of Low-Redshift Star-Forming Galaxies
Sebastian F. Sanchez
TL;DR
This review discusses the spatially-resolved spectroscopic properties of low-redshift star-forming galaxies, highlighting local-global relations, star formation, and chemical enrichment histories to understand galaxy evolution.
Contribution
It synthesizes recent integral field spectroscopy results, emphasizing the connection between local and global galaxy properties and their implications for galaxy growth.
Findings
Global relations are reflected in local properties.
Resolved star formation and metallicity patterns support inside-out growth.
Local properties depend on overall galaxy characteristics.
Abstract
I review here the spatially-resolved spectroscopic properties of low-redshift star-forming galaxies (and their retired counter-parts), using results from the most recent Integral Field Spectroscopy galaxy surveys. First, I briefly summarise the global spectroscopic properties of these galaxies, discussing the main ionization processes, and the global relations described between the star-formation rates, oxygen abundances, and average properties of their stellar populations (age and metallicity) with the stellar mass. Second, I present the local distribution of the ionizing processes, down to kiloparsec scales, and I show how the global scaling relations found between integrated parameters (like the star-formation main sequence, mass-metallicity relation and Schmidt-Kennicutt law) present local/resolved counter-parts, with the global ones being just integrated/average versions of the…
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