Star Formation in Violent and Normal Evolutionary Phases

Details Star Formation in Violent and Normal Evolutionary Phases Star Formation in Violent and Normal Evolutionary Phases

2001-12-18

arxiv.org/abs/astro-ph/0112421v1

Astrophys.Space Sci. 281 (2002) 379-382

Astronomy and Astrophysics

Astrophysics

4 pages To appear in The Evolution of Galaxies. II. Basic building blocks, eds. M. Sauvage, G. Stasinska, L. Vigroux, D. Schae

Scientific paper

10.1023/A:1019577316573

Mergers of massive gas-rich galaxies trigger violent starbursts that - over timescales of $> 100$ Myr and regions $> 10$ kpc - form massive and compact star clusters comparable in mass and radii to Galactic globular clusters. The star formation efficiency is higher by 1 - 2 orders of magnitude in these bursts than in undisturbed spirals, irregulars or even BCDs. We ask the question if star formation in these extreme regimes is just a scaled-up version of the normal star formation mode of if the formation of globular clusters reveals fundamentally different conditions.

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