Bent-Double Radio Sources as Probes of Intergalactic Gas

Details Bent-Double Radio Sources as Probes of Intergalactic Gas Bent-Double Radio Sources as Probes of Intergalactic Gas

Jan 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009aas...21334302f&link_type=abstract

American Astronomical Society, AAS Meeting #213, #343.02; Bulletin of the American Astronomical Society, Vol. 41, p.478

Astronomy and Astrophysics

Astronomy

Scientific paper

As the most common environment in the universe, groups of galaxies are likely to contain a significant fraction of the missing baryons in the form of intergalactic gas. The density of this gas is an important factor in whether ram pressure stripping and strangulation affect the evolution of galaxies in these systems. We present a method for measuring the density of intergalactic gas using bent-double radio sources. We use this method to probe intergalactic gas in different environments and find significant reservoirs of baryons. We use archival X-ray observations to place an upper limit on the temperature of the intergalactic gas in one group of galaxies. EF would like to acknowledge the support of a Wisconsin Space Grant Consortium Graduate Fellowship. EW was supported by NSF grant AST-0506628.

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