Matches in SemOpenAlex for { <https://semopenalex.org/work/W3190210154> ?p ?o ?g. }
Showing items 1 to 65 of
65
with 100 items per page.
- W3190210154 abstract "Galaxy redshift surveys are designed to map cosmic structures in three dimensions for large-scale structure studies. Nevertheless, limitations due to sampling and the survey window are unavoidable and degrade the cosmological constraints. We present an analysis of the VIMOS Public Extragalactic Redshift Survey (VIPERS) over the redshift range $0.6 < z < 1$ that is optimised to extract the cosmological parameters while fully accounting for the complex survey geometry. We employ the Gibbs sampling algorithm to iteratively draw samples of the galaxy density field in redshift space, the galaxy bias, the matter density, baryon fraction and growth-rate parameter $fsigma_8$ based on a multivariate Gaussian likelihood and prior on the density field. Despite the high number of degrees of freedom, the samples converge to the joint posterior distribution and give self-consistent constraints on the model parameters. We validate the approach using VIPERS mock galaxy catalogues. Although the uncertainty is underestimated by the Gaussian likelihood on the scales that we consider by $50%$, the dispersion of the results from the mock catalogues gives a robust error estimate. We find that the precision of the results matches those of the traditional analyses applied to the VIPERS data that use more constrained models. By relaxing the model assumptions, we confirm that the data deliver consistent constraints on the $Lambda$CDM model. This work provides a case-study for the application of maximum-likelihood analyses for the next generation of galaxy redshift surveys." @default.
- W3190210154 created "2021-08-16" @default.
- W3190210154 creator A5002370982 @default.
- W3190210154 creator A5033675315 @default.
- W3190210154 creator A5056456679 @default.
- W3190210154 date "2021-08-04" @default.
- W3190210154 modified "2023-09-27" @default.
- W3190210154 title "Cosmology behind the mask: Constraining the parameters of $Lambda$CDM with the unmasked galaxy density field from VIPERS" @default.
- W3190210154 hasPublicationYear "2021" @default.
- W3190210154 type Work @default.
- W3190210154 sameAs 3190210154 @default.
- W3190210154 citedByCount "0" @default.
- W3190210154 crossrefType "posted-content" @default.
- W3190210154 hasAuthorship W3190210154A5002370982 @default.
- W3190210154 hasAuthorship W3190210154A5033675315 @default.
- W3190210154 hasAuthorship W3190210154A5056456679 @default.
- W3190210154 hasConcept C121332964 @default.
- W3190210154 hasConcept C1276947 @default.
- W3190210154 hasConcept C163716315 @default.
- W3190210154 hasConcept C177272240 @default.
- W3190210154 hasConcept C26405456 @default.
- W3190210154 hasConcept C2778049214 @default.
- W3190210154 hasConcept C2779556658 @default.
- W3190210154 hasConcept C33024259 @default.
- W3190210154 hasConcept C44870925 @default.
- W3190210154 hasConcept C62520636 @default.
- W3190210154 hasConcept C98444146 @default.
- W3190210154 hasConceptScore W3190210154C121332964 @default.
- W3190210154 hasConceptScore W3190210154C1276947 @default.
- W3190210154 hasConceptScore W3190210154C163716315 @default.
- W3190210154 hasConceptScore W3190210154C177272240 @default.
- W3190210154 hasConceptScore W3190210154C26405456 @default.
- W3190210154 hasConceptScore W3190210154C2778049214 @default.
- W3190210154 hasConceptScore W3190210154C2779556658 @default.
- W3190210154 hasConceptScore W3190210154C33024259 @default.
- W3190210154 hasConceptScore W3190210154C44870925 @default.
- W3190210154 hasConceptScore W3190210154C62520636 @default.
- W3190210154 hasConceptScore W3190210154C98444146 @default.
- W3190210154 hasLocation W31902101541 @default.
- W3190210154 hasOpenAccess W3190210154 @default.
- W3190210154 hasPrimaryLocation W31902101541 @default.
- W3190210154 hasRelatedWork W1509515415 @default.
- W3190210154 hasRelatedWork W2013514048 @default.
- W3190210154 hasRelatedWork W2040487298 @default.
- W3190210154 hasRelatedWork W2125833775 @default.
- W3190210154 hasRelatedWork W2161316786 @default.
- W3190210154 hasRelatedWork W2286817762 @default.
- W3190210154 hasRelatedWork W2494603253 @default.
- W3190210154 hasRelatedWork W2552090159 @default.
- W3190210154 hasRelatedWork W2892946106 @default.
- W3190210154 hasRelatedWork W2953332975 @default.
- W3190210154 hasRelatedWork W3003220524 @default.
- W3190210154 hasRelatedWork W3016968208 @default.
- W3190210154 hasRelatedWork W3100672015 @default.
- W3190210154 hasRelatedWork W3104366137 @default.
- W3190210154 hasRelatedWork W3104489948 @default.
- W3190210154 hasRelatedWork W3104501499 @default.
- W3190210154 hasRelatedWork W3122309993 @default.
- W3190210154 hasRelatedWork W3125502255 @default.
- W3190210154 hasRelatedWork W3125914696 @default.
- W3190210154 hasRelatedWork W3173079094 @default.
- W3190210154 isParatext "false" @default.
- W3190210154 isRetracted "false" @default.
- W3190210154 magId "3190210154" @default.
- W3190210154 workType "article" @default.