The local and global relations between ${\Sigma }_{\star }$ , ${\Sigma }_{\mathrm{SFR}}$ and ${\Sigma }_{\mathrm{mol}}$ that regulate star-formation

Abstract

Star-formation is one of the main processes that shape galaxies, defining its stellar population and metallicity production and enrichment. It is nowadays known that this process is ruled by a set of relations that connect three parameters: the molecular gas mass, the stellar mass and the star-formation rate itself. These relations are fulfilled at a wide range of scales in galaxies, from galaxy wide to kpc-scales. At which scales they are broken, and how universal they are (i.e., if they change at different scales or for different galaxy types) it is still an open question. We explore here how those relations compare at different scales using as proxy the new analysis done using Integral Field Spectroscopy data and CO observations data from the EDGE-CALIFA survey and the AMUSSING++ compilation.

arXiv comment8 pages, 3 figures, 1 table, proceedings of the IAU Symposium 373: Resolving the Rise and Fall of Star Formation in Galaxies

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