Matches in SemOpenAlex for { <https://semopenalex.org/work/W4296592043> ?p ?o ?g. }
- W4296592043 endingPage "3670" @default.
- W4296592043 startingPage "3649" @default.
- W4296592043 abstract "We study the effect of magnification in the Dark Energy Survey Year 3 analysis of galaxy clustering and galaxy-galaxy lensing, using two different lens samples: a sample of Luminous red galaxies, redMaGiC, and a sample with a redshift-dependent magnitude limit, MagLim. We account for the effect of magnification on both the flux and size selection of galaxies, accounting for systematic effects using the Balrog image simulations. We estimate the impact of magnification on the galaxy clustering and galaxy-galaxy lensing cosmology analysis, finding it to be a significant systematic for the MagLim sample. We show cosmological constraints from the galaxy clustering auto-correlation and galaxy-galaxy lensing signal with different magnifications priors, finding broad consistency in cosmological parameters in $Lambda$CDM and $w$CDM. However, when magnification bias amplitude is allowed to be free, we find the two-point correlations functions prefer a different amplitude to the fiducial input derived from the image simulations. We validate the magnification analysis by comparing the cross-clustering between lens bins with the prediction from the baseline analysis, which uses only the auto-correlation of the lens bins, indicating systematics other than magnification may be the cause of the discrepancy. We show adding the cross-clustering between lens redshift bins to the fit significantly improves the constraints on lens magnification parameters and allows uninformative priors to be used on magnification coefficients, without any loss of constraining power or prior volume concerns." @default.
- W4296592043 created "2022-09-22" @default.
- W4296592043 creator A5000122343 @default.
- W4296592043 creator A5000305619 @default.
- W4296592043 creator A5001221801 @default.
- W4296592043 creator A5002405795 @default.
- W4296592043 creator A5003304847 @default.
- W4296592043 creator A5005037513 @default.
- W4296592043 creator A5005154830 @default.
- W4296592043 creator A5007747333 @default.
- W4296592043 creator A5007762954 @default.
- W4296592043 creator A5009212434 @default.
- W4296592043 creator A5009532158 @default.
- W4296592043 creator A5009540901 @default.
- W4296592043 creator A5009549843 @default.
- W4296592043 creator A5010214301 @default.
- W4296592043 creator A5010460751 @default.
- W4296592043 creator A5011372722 @default.
- W4296592043 creator A5011542736 @default.
- W4296592043 creator A5012116657 @default.
- W4296592043 creator A5012613609 @default.
- W4296592043 creator A5013047285 @default.
- W4296592043 creator A5013233100 @default.
- W4296592043 creator A5013863175 @default.
- W4296592043 creator A5014257343 @default.
- W4296592043 creator A5014642524 @default.
- W4296592043 creator A5015543524 @default.
- W4296592043 creator A5016079917 @default.
- W4296592043 creator A5017561985 @default.
- W4296592043 creator A5020636430 @default.
- W4296592043 creator A5020776203 @default.
- W4296592043 creator A5021833123 @default.
- W4296592043 creator A5022307048 @default.
- W4296592043 creator A5023003404 @default.
- W4296592043 creator A5024743695 @default.
- W4296592043 creator A5024878517 @default.
- W4296592043 creator A5027934853 @default.
- W4296592043 creator A5028151134 @default.
- W4296592043 creator A5028384294 @default.
- W4296592043 creator A5029672569 @default.
- W4296592043 creator A5030038981 @default.
- W4296592043 creator A5031144201 @default.
- W4296592043 creator A5031889966 @default.
- W4296592043 creator A5032918061 @default.
- W4296592043 creator A5033158163 @default.
- W4296592043 creator A5033365710 @default.
- W4296592043 creator A5035591681 @default.
- W4296592043 creator A5036806900 @default.
- W4296592043 creator A5038220293 @default.
- W4296592043 creator A5040147941 @default.
- W4296592043 creator A5042124374 @default.
- W4296592043 creator A5042552257 @default.
- W4296592043 creator A5042584133 @default.
- W4296592043 creator A5044502014 @default.
- W4296592043 creator A5048231341 @default.
- W4296592043 creator A5050425154 @default.
- W4296592043 creator A5050820215 @default.
- W4296592043 creator A5052094701 @default.
- W4296592043 creator A5053223473 @default.
- W4296592043 creator A5053431383 @default.
- W4296592043 creator A5053807445 @default.
- W4296592043 creator A5055240087 @default.
- W4296592043 creator A5056264619 @default.
- W4296592043 creator A5058091738 @default.
- W4296592043 creator A5058963739 @default.
- W4296592043 creator A5059065049 @default.
- W4296592043 creator A5060755888 @default.
- W4296592043 creator A5064241842 @default.
- W4296592043 creator A5065815172 @default.
- W4296592043 creator A5065878982 @default.
- W4296592043 creator A5066931751 @default.
- W4296592043 creator A5067682085 @default.
- W4296592043 creator A5067848505 @default.
- W4296592043 creator A5067876013 @default.
- W4296592043 creator A5068245130 @default.
- W4296592043 creator A5072425279 @default.
- W4296592043 creator A5075032305 @default.
- W4296592043 creator A5075082114 @default.
- W4296592043 creator A5075160429 @default.
- W4296592043 creator A5075309486 @default.
- W4296592043 creator A5076751509 @default.
- W4296592043 creator A5078101808 @default.
- W4296592043 creator A5079484159 @default.
- W4296592043 creator A5081092490 @default.
- W4296592043 creator A5081302042 @default.
- W4296592043 creator A5081848276 @default.
- W4296592043 creator A5082249388 @default.
- W4296592043 creator A5083444501 @default.
- W4296592043 creator A5084593327 @default.
- W4296592043 creator A5085327275 @default.
- W4296592043 creator A5086714514 @default.
- W4296592043 creator A5086818885 @default.
- W4296592043 creator A5087620099 @default.
- W4296592043 creator A5087649242 @default.
- W4296592043 creator A5089172039 @default.
- W4296592043 creator A5089225466 @default.
- W4296592043 creator A5089689634 @default.
- W4296592043 creator A5090633358 @default.