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On the relationship between cooling flows and bubbles

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dc.contributor.authorMcCarthy, IG
dc.contributor.authorBabul, A
dc.contributor.authorKatz, N
dc.contributor.authorBalogh, ML
dc.contributor.departmentUniversity of Massachusetts - Amherst
dc.date2023-09-22T23:45:49.000
dc.date.accessioned2024-04-26T08:27:44Z
dc.date.available2024-04-26T08:27:44Z
dc.date.issued2003-01-01
dc.description<p>This is the pre-published version harvested from ArXiv. The published version is located at <a href="http://iopscience.iop.org/1538-4357/587/2/L75/">http://iopscience.iop.org/1538-4357/587/2/L75/</a></p>
dc.description.abstractA common feature of the X-ray bubbles observed in Chandra images of some "cooling flow" clusters is that they appear to be surrounded by bright, cool shells. Temperature maps of a few nearby luminous clusters reveal that the shells consist of the coolest gas in the clusters—much cooler than the surrounding medium. Using simple models, we study the effects of this cool emission on the inferred cooling flow properties of clusters. We find that the introduction of bubbles into model clusters that do not have cooling flows results in temperature and surface brightness profiles that resemble those seen in nearby "cooling flow" clusters. They also approximately reproduce the recent XMM-Newton and Chandra observations of a high minimum temperature of ~1-3 keV. Hence, bubbles, if present, must be taken into account when inferring the physical properties of the intracluster medium. In the case of some clusters, bubbles may account entirely for these observed features, calling into question their designation as clusters with cooling flows. However, since not all nearby "cooling flow" clusters show bubble-like features, we suggest that there may be a diverse range of physical phenomena that give rise to the same observed features.
dc.description.pagesL75-L78
dc.identifier.doihttps://doi.org/10.1086/375336
dc.identifier.urihttps://hdl.handle.net/20.500.14394/3007
dc.relation.ispartofASTROPHYSICAL JOURNAL
dc.relation.urlhttps://scholarworks.umass.edu/cgi/viewcontent.cgi?article=1338&amp;context=astro_faculty_pubs&amp;unstamped=1
dc.source.issue2
dc.source.issue587
dc.source.statuspublished
dc.subjectcooling flows
dc.subjectgalaxies : clusters : general
dc.subjectX-rays : galaxies : clusters
dc.subjectAstrophysics and Astronomy
dc.titleOn the relationship between cooling flows and bubbles
dc.typearticle
dc.typearticle
digcom.contributor.authorMcCarthy, IG
digcom.contributor.authorBabul, A
digcom.contributor.authorisAuthorOfPublication|email:nsk@astro.umass.edu|institution:University of Massachusetts - Amherst|Katz, N
digcom.contributor.authorBalogh, ML
digcom.identifierastro_faculty_pubs/339
digcom.identifier.contextkey1683026
digcom.identifier.submissionpathastro_faculty_pubs/339
dspace.entity.typePublication
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