Star Formation And Galaxy Evolution In A Compact Group Environment: A Multi-wavelength Study Of Stephan's Quintet.

Details Star Formation And Galaxy Evolution In A Compact Group Environment: A Multi-wavelength Study Of Stephan's Quintet. Star Formation And Galaxy Evolution In A Compact Group Environment: A Multi-wavelength Study Of Stephan's Quintet.

Jan 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010aas...21533004k&link_type=abstract

American Astronomical Society, AAS Meeting #215, #330.04; Bulletin of the American Astronomical Society, Vol. 42, p.428

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Galaxies in the local universe evolve mostly through encounters, interactions and mergers. In compact groups, these common events drive the conversion of gas into stars and therefore the morphological transformation of disk-dominated galaxies from bright and star-forming, to quiescent and featureless (bulge-dominated). Stephan's Quintet represents an intermediate stage in this process, exhibiting striking tidal features and highly star forming, evolving galaxies. This intense activity is evident in all wavelengths, from X-rays all the way to radio. Here we present results from spectroscopy of young clusters across the system, that we use to draw the star formation history of this early stage multiple merger. These results are combined with a B, V, I, Halpha study of more clusters and star forming regions from HST/WFC3 to probe star formation activity as well as Chandra observations of the shock fronts and diffuse glow, telling of the more intricate details of gas excitation in this compact group.

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