dc.contributor.author Krause, M. dc.date.accessioned 2017-04-20T08:33:00Z dc.date.available 2017-04-20T08:33:00Z dc.date.issued 2005-06-03 dc.identifier.citation Krause , M 2005 , ' Galactic wind shells and high redshift radio galaxies. On the nature of associated absorbers ' , Astronomy & Astrophysics , vol. 436 , no. 3 , pp. 845-851 . https://doi.org/10.1051/0004-6361:20042450 dc.identifier.issn 0004-6361 dc.identifier.other PURE: 10546086 dc.identifier.other PURE UUID: d52ffac6-2c47-4575-b614-7d5317152a6e dc.identifier.other Bibtex: urn:1c3a2260948052a47a2389b0e201287f dc.identifier.other Scopus: 21244464723 dc.identifier.uri http://hdl.handle.net/2299/17975 dc.description M. Krause, 'Galactic windn shells and high redshift radio galaxies', Astronomy & Astrophysics, vol. 436 (3): 845-851, June 2005, available online at DOI https://doi.org/10.1051/0004-6361:20042450. © ESO 2005 dc.description.abstract A jet is simulated on the background of a galactic wind headed by a radiative bow shock. The wind shell, which is due to the radiative bow shock, is effectively destroyed by the impact of the jet cocoon, thanks to Rayleigh-Taylor instabilities. Associated strong HI absorption, and possibly also molecular emission, in high redshift radio galaxies which is observed preferentially in the smaller ones may be explained by that model, which is an improvement of an earlier radiative bow shock model. The model requires temperatures of $\approx$106 K in the proto-clusters hosting these objects, and may be tested by high resolution spectroscopy of the Ly$\alpha$ line. The simulations show that - before destruction - the jet cocoon fills the wind shell entirely for a considerable time with intact absorption system. Therefore, radio imaging of sources smaller than the critical size should reveal the round central bubbles, if the model is correct. en dc.format.extent 7 dc.language.iso eng dc.relation.ispartof Astronomy & Astrophysics dc.subject hydrodynamics dc.subject instabilities dc.subject shock waves dc.subject galaxies: active dc.subject radio continuum: galaxies dc.title Galactic wind shells and high redshift radio galaxies. On the nature of associated absorbers en dc.contributor.institution School of Physics, Astronomy and Mathematics dc.contributor.institution Centre for Astrophysics Research dc.description.status Peer reviewed dc.relation.school School of Physics, Astronomy and Mathematics dcterms.dateAccepted 2005-06-03 rioxxterms.versionofrecord https://doi.org/10.1051/0004-6361:20042450 rioxxterms.type Journal Article/Review herts.preservation.rarelyaccessed true
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