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Paper: Star Formation and Interstellar Medium Evolution in Galaxies
Volume: 396, Formation and Evolution of Galaxy Disks
Page: 97
Authors: Koda, J.
Abstract: I review recent studies of star formation in galaxies, and discuss the underlying structure of the interstellar medium (ISM). Studies of star formation in galaxies have been limited by spatial resolution, and focused mostly on empirical correlations between star formation rate and gas properties averaged over large areas. With recent and upcoming facilities (e.g., Spitzer, GALEX, CARMA, Herschel, and ALMA), studies of star formation are transitioning to the regime in which the star forming regions and their local environment are well-resolved. With this in mind, I re-consider classical arguments for star formation (e.g., Toomre criterion) by taking into account the underlying gas structure. With new CO(1-0) data from CARMA and Nobeyama 45-m telescope, I show the evolution of the ISM in M 51, and argue that the evolution is largely triggered by global galactic dynamics.
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