Galactic Winds in the Intergalactic Medium | Zendy

Tom Theuns | Zendy; Matteo Viel | Zendy; Scott T. Kay | Zendy; Joop Schaye | Zendy; R. F. Carswell | Zendy; P. Tzanavaris | Zendy

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Galactic Winds in the Intergalactic Medium

Author(s) -

Tom Theuns,

Matteo Viel,

Scott T. Kay,

Joop Schaye,

R. F. Carswell,

P. Tzanavaris

Publication year - 2002

Publication title -

the astrophysical journal

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.376

H-Index - 489

eISSN - 1538-4357

pISSN - 0004-637X

DOI - 10.1086/344521

Subject(s) - physics , astrophysics , galaxy , redshift , absorption (acoustics) , intergalactic travel , astronomy , optics

We have performed hydrodynamical simulations to investigate the effects ofgalactic winds on the high-redshift (z=3) universe. Strong winds suppress theformation of low-mass galaxies significantly, and the metals carried by themproduce C IV absorption lines with properties in reasonable agreement withobservations. The winds have little effect on the statistics of the H Iabsorption lines, because the hot gas bubbles blown by the winds fill only asmall fraction of the volume and because they tend to escape into the voids,thereby leaving the filaments that produce these lines intact.Comment: 4 pages, 4 figures, typos corrected, refs updated, matches published versio

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