406 research outputs found
The New Frontier: Galactic-Scale Star Formation
The arena of investigation of star formation and its scaling laws is slowly,
but consistently, shifting from the realm of luminous galaxies to that of faint
ones and to sub--galactic regions, as existing and new facilities enable
investigators to probe regions of the combined parameter space of surface
brightness, wavelength, and angular resolution that were inaccessible until a
few years ago. We summarize what has been accomplished, and what remain as
challenges in the field of galactic--scale star formation.Comment: accepted for publication on PASP, short review for the IYA2009, 12
pages, no figure
Global effects of interactions on galaxy evolution
Recent observations of the evolutionary properties of paired and interacting galaxies are reviewed, with special emphasis on their global emission properties and star formation rates. Data at several wavelengths provide strong confirmation of the hypothesis, proposed originally by Larson and Tinsley, that interactions trigger global bursts of star formation in galaxies. The nature and properties of the starbursts, and their overall role in galactic evolution are also discussed
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