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Instability of supersonic cold streams feeding galaxies - I. Linear Kelvin-Helmholtz instability with body modes

Mandelker, Nir; Padnos, Dan; Dekel, A; Birnhoim, Yuval; Burkert, Andreas; Krumholz, Mark; Steinberg, Elad


Massive galaxies at high redshift are predicted to be fed from the cosmic web by narrow, dense streams of cold gas that penetrate through the hot medium encompassed by a stable shock near the virial radius of the dark-matter halo. Our long-term goal is to explore the heating and dissipation rate of the streams and their fragmentation and possible breakup, in order to understand how galaxies are fed, and how this affects their star formation rate and morphology. We present here the first step,...[Show more]

CollectionsANU Research Publications
Date published: 2016
Type: Journal article
Source: Monthly Notices of the Royal Astronomical Society
DOI: 10.1093/mnras/stw2267
Access Rights: Open Access


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