The Interstellar Medium and Star Formation in Dwarf Galaxies
Alberto D. Bolatto
TL;DR
This review summarizes current knowledge on the interstellar medium in dwarf galaxies and its connection to star formation, highlighting recent observational advances and open questions.
Contribution
It synthesizes recent observational findings to improve understanding of ISM properties and star formation processes in dwarf galaxies.
Findings
ISM phases vary with galaxy properties
Cold gas content correlates with star formation activity
Feedback processes influence ISM and star formation
Abstract
This is a brief review of our understanding of the properties of the interstellar medium (ISM) in dwarf galaxies in connection to their star formation activity. What are the dominant phases of the ISM in these objects? How do the properties of these phases depend on the galaxy properties? What do we know about their cold gas content and its link to star formation activity? Does star formation proceed differently in these galaxies? How does star formation feedback operate in dwarf galaxies? The availability of observations from space-based facilities such as FUSE, Spitzer, Herschel, and Fermi, as well as observatories such as SOFIA and ALMA, is allowing us to make significant strides in our understanding of these questions.
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