[105.02] Superwinds in Luminous Infrared Galaxies at $0 < z

AAS 203rd Meeting, January 2004
Session 105 Dwarf, Irregular, LUM IR and Starburst Galaxies
Oral, Wednesday, January 7, 2004, 2:00-3:30pm, Regency VII

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[105.02] Superwinds in Luminous Infrared Galaxies at 0 < z < 0.5

D. S. Rupke, S. Veilleux (University of Maryland), D. B. Sanders (Institute for Astronomy, University of Hawaii)

Galactic superwinds are a ubiquitous phenomenon in local and high-redshift star-forming galaxies. They may play a significant role in the evolution and formation of galaxies and the pollution of the intergalactic medium with metals and energy. I will present the results of my doctoral thesis study of massive outflows in a large sample of luminous and ultraluminous infrared galaxies at low to intermediate redshifts (z = 0 - 0.5). The technique is absorption-line spectroscopy and allows us to determine the basic parameters of the outflowing gas as well as look for trends in outflow properties with host galaxy properties. Ours is the first systematic, large-scale study of galactic winds in this redshift range. This work is supported by an NSF CAREER grant.

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