Journal
ASTROPHYSICAL JOURNAL
Volume 835, Issue 2, Pages -Publisher
IOP PUBLISHING LTD
DOI: 10.3847/1538-4357/835/2/136
Keywords
galaxies: starburst; galaxies: star clusters: general; ISM: general; stars: winds, outflows
Categories
Funding
- CONACYT [167611, 167625]
- DGAPA-UNAM [IA 103115, IN 109715]
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We present results from models of galactic winds driven by energy injected from nuclear (at the galactic center) and non- nuclear starbursts. The total energy of the starburst is provided by very massive young stellar clusters, which can push the galactic interstellar medium and produce an important outflow. Such outflow can be a well or partially mixed wind, or a highly metallic wind. We have performed adiabatic 3D N- Body/ Smooth Particle Hydrodynamics simulations of galactic winds using the GADGET- 2 code. The numerical models cover a wide range of parameters, varying the galaxy concentration index, gas fraction of the galactic disk, and radial distance of the starburst. We show that an off- center starburst in dwarf galaxies is the most effective mechanism to produce a significant loss of metals (material from the starburst itself). At the same time, a non- nuclear starburst produces a high efficiency of metal loss, in spite of having a moderate to low mass loss rate.
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