Self-interacting Dark Matter, Core Collapse, and the Galaxy–Galaxy Strong-lensing Discrepancy
Dutra I, Natarajan P, Gilman D. Self-interacting Dark Matter, Core Collapse, and the Galaxy–Galaxy Strong-lensing Discrepancy. The Astrophysical Journal 2024, 978: 38. DOI: 10.3847/1538-4357/ad9b09.Peer-Reviewed Original ResearchGalaxy–galaxy strong lensesCold dark matterCore collapseDark matterModel of self-interacting dark matterCold dark matter predictionsParadigm of structure formationSelf-interacting dark matterStandard cold dark matterContributions of baryonsInner density profileDark matter subhalosDense cluster environmentObserved cross sectionsGalaxy clustersGravitational lensingStrong lensingCross sectionDensity profileInner regionCluster environmentSubhalosStructure formationBaryonGalaxiesObservational Signatures of AGN Feedback in the Morphology and the Ionization States of Milky Way-like Galaxies
Qutob N, Emami R, Su K, Smith R, Hernquist L, Triani D, Hummels C, Fielding D, Hopkins P, Somerville R, Ballantyne D, Vogelsberger M, Tremblay G, Steiner J, Finkbeiner D, Narayan R, Park M, Grindlay J, Natarajan P, Hayward C, Kereš D, Ponnada S, Belli S, Davies R, Maheson G, Bugiani L, Li Y. Observational Signatures of AGN Feedback in the Morphology and the Ionization States of Milky Way-like Galaxies. The Astrophysical Journal 2024, 977: 72. DOI: 10.3847/1538-4357/ad8658.Peer-Reviewed Original ResearchCosmic ray jetsInterstellar mediumO VIIIMg IISignatures of AGN feedbackIsolated galaxy simulationsIsotropic ion distributionsLow-energy ionsHigh-energy ionsGalactic nucleiStellar feedbackAGN feedbackObservational signaturesHalo massGalaxy simulationsJet powerEnergy ionsJet modelHigh energyDensity profileIonization stateFlux levelsAGNIon distributionCore densityThe Galaxy–Galaxy Strong Lensing Cross Section and the Internal Distribution of Matter in ΛCDM Substructure
Tokayer Y, Dutra I, Natarajan P, Mahler G, Jauzac M, Meneghetti M. The Galaxy–Galaxy Strong Lensing Cross Section and the Internal Distribution of Matter in ΛCDM Substructure. The Astrophysical Journal 2024, 970: 143. DOI: 10.3847/1538-4357/ad51fd.Peer-Reviewed Original ResearchGalaxy–galaxy strong lensesSub-halosDistribution of matterDark matterStrong lensingParadigm of structure formationDeep high-resolution imagingAlternative DM modelsMassive galaxy clustersLensing cross sectionLensing mass reconstructionStrong gravitational lensingStrong-lensing eventsComplex dynamical stateBaryonic componentLensing eventsGalaxy clustersEnclosed massGravitational lensingGalaxy–galaxyBackground sourcesMass reconstructionMass profileCross sectionDensity profile
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