X-ray-emitting filaments in the cooling flow cluster A2029

Details X-ray-emitting filaments in the cooling flow cluster A2029 X-ray-emitting filaments in the cooling flow cluster A2029

Apr 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992apj...389l..59s&link_type=abstract

Astrophysical Journal, Part 2 - Letters (ISSN 0004-637X), vol. 389, April 20, 1992, p. L59-L62.

Astronomy and Astrophysics

Astrophysics

51

Cooling Flows (Astrophysics), Galactic Clusters, Intergalactic Media, Interstellar Magnetic Fields, Radio Galaxies, X Ray Astronomy, Emission Spectra, Faraday Effect, Line Spectra, Star Formation

Scientific paper

High-resolution X-ray observations of the cluster A2029 are presented which confirm the presence of a cooling flow, despite the lack of optical line emission or evidence for recent star formation. The cooling rate and radius are about 370 solar mass/yr and 230 kpc, respectively. Emission from the inner cooling flow is dominated by a number of X-ray-emitting filaments. This may be the first case where such inhomogeneities are clearly resolved. The filaments are theorized to be supported in part by magnetic fields and may be connected with the filaments of very strong Faraday rotation seen in several nearly cooling flows.

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