Matches in SemOpenAlex for { <https://semopenalex.org/work/W2949817877> ?p ?o ?g. }
Showing items 1 to 77 of
77
with 100 items per page.
- W2949817877 abstract "In this paper, we introduce PICACS, a physically-motivated, internally consistent model of scaling relations between galaxy cluster masses and their observable properties. This model can be used to constrain simultaneously the form, scatter (including its covariance) and evolution of the scaling relations, as well as the masses of the individual clusters. In this framework, scaling relations between observables (such as that between X-ray luminosity and temperature) are modelled explicitly in terms of the fundamental mass-observable scaling relations, and so are fully constrained without being fit directly. We apply the PICACS model to several observational datasets, and show that it performs as well as traditional regression methods for simply measuring scaling relation parameters, but presents several significant advantages. For clusters with available X-ray hydrostatic masses, PICACS gives a modest improvement of the precision of the mass estimates, while consistently constraining the mass-observable scaling relations. For a sample of clusters without prior mass estimates, we derive self-consistent constraints on the cluster masses and scaling relations, and find a minor improvement in precision on cluster mass estimates compared with a single scaling relation. We are also able to deconstruct the slope of the luminosity-temperature (LT) relation and show that the steepening compared to self-similar expectations is due to contributions from heating and depletion of the gas within the reference radius R500, and not due to a mass dependence of the gas structure within that radius. Finally, we use PICACS to illustrate the dependence of the expected self-similar evolution of the LT relation on the slopes of the mass scaling relations, and show that our self-consistent modelling predicts self-similar evolution significantly weaker than is commonly assumed." @default.
- W2949817877 created "2019-06-27" @default.
- W2949817877 creator A5064347857 @default.
- W2949817877 date "2012-12-04" @default.
- W2949817877 modified "2023-09-27" @default.
- W2949817877 title "PICACS: a tool for self-consistent modelling of galaxy cluster scaling relations" @default.
- W2949817877 hasPublicationYear "2012" @default.
- W2949817877 type Work @default.
- W2949817877 sameAs 2949817877 @default.
- W2949817877 citedByCount "0" @default.
- W2949817877 crossrefType "posted-content" @default.
- W2949817877 hasAuthorship W2949817877A5064347857 @default.
- W2949817877 hasConcept C105795698 @default.
- W2949817877 hasConcept C121332964 @default.
- W2949817877 hasConcept C121864883 @default.
- W2949817877 hasConcept C124101348 @default.
- W2949817877 hasConcept C156055797 @default.
- W2949817877 hasConcept C164866538 @default.
- W2949817877 hasConcept C178635117 @default.
- W2949817877 hasConcept C178650346 @default.
- W2949817877 hasConcept C199360897 @default.
- W2949817877 hasConcept C2524010 @default.
- W2949817877 hasConcept C25343380 @default.
- W2949817877 hasConcept C32848918 @default.
- W2949817877 hasConcept C33923547 @default.
- W2949817877 hasConcept C38652104 @default.
- W2949817877 hasConcept C41008148 @default.
- W2949817877 hasConcept C44870925 @default.
- W2949817877 hasConcept C62520636 @default.
- W2949817877 hasConcept C98444146 @default.
- W2949817877 hasConcept C99844830 @default.
- W2949817877 hasConceptScore W2949817877C105795698 @default.
- W2949817877 hasConceptScore W2949817877C121332964 @default.
- W2949817877 hasConceptScore W2949817877C121864883 @default.
- W2949817877 hasConceptScore W2949817877C124101348 @default.
- W2949817877 hasConceptScore W2949817877C156055797 @default.
- W2949817877 hasConceptScore W2949817877C164866538 @default.
- W2949817877 hasConceptScore W2949817877C178635117 @default.
- W2949817877 hasConceptScore W2949817877C178650346 @default.
- W2949817877 hasConceptScore W2949817877C199360897 @default.
- W2949817877 hasConceptScore W2949817877C2524010 @default.
- W2949817877 hasConceptScore W2949817877C25343380 @default.
- W2949817877 hasConceptScore W2949817877C32848918 @default.
- W2949817877 hasConceptScore W2949817877C33923547 @default.
- W2949817877 hasConceptScore W2949817877C38652104 @default.
- W2949817877 hasConceptScore W2949817877C41008148 @default.
- W2949817877 hasConceptScore W2949817877C44870925 @default.
- W2949817877 hasConceptScore W2949817877C62520636 @default.
- W2949817877 hasConceptScore W2949817877C98444146 @default.
- W2949817877 hasConceptScore W2949817877C99844830 @default.
- W2949817877 hasLocation W29498178771 @default.
- W2949817877 hasOpenAccess W2949817877 @default.
- W2949817877 hasPrimaryLocation W29498178771 @default.
- W2949817877 hasRelatedWork W1552290780 @default.
- W2949817877 hasRelatedWork W1556271725 @default.
- W2949817877 hasRelatedWork W1926980659 @default.
- W2949817877 hasRelatedWork W1986409033 @default.
- W2949817877 hasRelatedWork W1997089041 @default.
- W2949817877 hasRelatedWork W2054171851 @default.
- W2949817877 hasRelatedWork W2164723393 @default.
- W2949817877 hasRelatedWork W2468556543 @default.
- W2949817877 hasRelatedWork W2568348487 @default.
- W2949817877 hasRelatedWork W2951050437 @default.
- W2949817877 hasRelatedWork W2953202401 @default.
- W2949817877 hasRelatedWork W3091983576 @default.
- W2949817877 hasRelatedWork W3098293496 @default.
- W2949817877 hasRelatedWork W3100429683 @default.
- W2949817877 hasRelatedWork W3102955259 @default.
- W2949817877 hasRelatedWork W3104741259 @default.
- W2949817877 hasRelatedWork W3106199916 @default.
- W2949817877 hasRelatedWork W3185748840 @default.
- W2949817877 hasRelatedWork W3208505506 @default.
- W2949817877 hasRelatedWork W89659679 @default.
- W2949817877 isParatext "false" @default.
- W2949817877 isRetracted "false" @default.
- W2949817877 magId "2949817877" @default.
- W2949817877 workType "article" @default.