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Star-Forming Complexes in Galaxies
Bruce G. Elmegreen
Star complexes are the largest globular regions of star formation in galaxies. If there is a spiral density wave, nuclear ring, tidal arm, or other well-defined stellar structure,…
Formation of Young Star Clusters
Bruce G. Elmegreen
Turbulence, self-gravity, and cooling convert most of the interstellar medium into cloudy structures that form stars. Turbulence compresses the gas into clouds directly and it move…
Gravity, Turbulence, and Star Formation
Bruce G. Elmegreen
The azimuthal power spectra of optical emission from star formation and dust in spiral galaxies resembles the azimuthal power spectra of HI emission from the LMC. These and other p…
Triggering the Formation of Massive Clusters
Bruce G. Elmegreen
There are at least 2 distinct mechanisms for the formation of young massive clusters (YMC), all of which require galactic-scale processes. One operates in harrassed fragile galaxie…
Probing Kolmogorov turbulence beyond the Magellanic Clouds: The Power of Southern Hemisphere's largest optical telescope (11m), SALT
D. L. Block, B. G. Elmegreen, D. M. Elmegreen +1
The Hubble classification scheme of galaxies is based on blue-light appearance. Atlases reveal the rich variety of responses of the Population I component (`the mask') of gas and d…
Theory of star formation in the central kiloparsec
Bruce G. Elmegreen
Star formation by gravitational instabilities, sequential triggering, and turbulence triggering are briefly reviewed in order to compare the various mechanisms that are observed in…