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The Sunyaev-Zel'dovich effect due to hyperstarburst galaxy winds

Abstract : We construct a simple, spherical blast wave model to estimate the pressure structure of the intergalactic medium surrounding hyperstarburst galaxies, and argue that the effects of interaction with star-forming galaxy winds may be approximated at early times by an adiabatically expanding, self-similar ‘bubble’ as described by Weaver et al. and Ostriker & McKee. This model is used to make observational predictions for the thermal Sunyaev-Zel'dovich effect in the shocked bubble plasma. Radiative cooling losses are explored, and it is found that bremsstrahlung will limit the epoch of adiabatic expansion to 107- 108 yr: comparable to total hyperstarburst lifetimes. Prospects for making a first Sunyaev-Zel'dovich detection of galaxy wind bubbles using the Atacama Large Millimeter Array are examined for a number of active hyperstarburst sources in the literature.
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Submitted on : Thursday, April 21, 2022 - 3:13:54 PM
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Barnaby Rowe, Joseph Silk. The Sunyaev-Zel'dovich effect due to hyperstarburst galaxy winds. Monthly Notices of the Royal Astronomical Society, 2011, 412, pp.905-910. ⟨10.1111/j.1365-2966.2010.17953.x⟩. ⟨insu-03646008⟩



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