From 4811caaabdb45339544d26ae71739f1ad03bae4e Mon Sep 17 00:00:00 2001 From: Leonard Morrice Date: Sat, 15 Nov 2025 16:55:09 +0000 Subject: [PATCH] Add 'The DECADE Cosmic Shear Project III: Validation of Analysis Pipeline Utilizing Spatially Inhomogeneous Data' --- ...Analysis-Pipeline-Utilizing-Spatially-Inhomogeneous-Data.md | 3 +++ 1 file changed, 3 insertions(+) create mode 100644 The-DECADE-Cosmic-Shear-Project-III%3A-Validation-of-Analysis-Pipeline-Utilizing-Spatially-Inhomogeneous-Data.md diff --git a/The-DECADE-Cosmic-Shear-Project-III%3A-Validation-of-Analysis-Pipeline-Utilizing-Spatially-Inhomogeneous-Data.md b/The-DECADE-Cosmic-Shear-Project-III%3A-Validation-of-Analysis-Pipeline-Utilizing-Spatially-Inhomogeneous-Data.md new file mode 100644 index 0000000..fc6c4e5 --- /dev/null +++ b/The-DECADE-Cosmic-Shear-Project-III%3A-Validation-of-Analysis-Pipeline-Utilizing-Spatially-Inhomogeneous-Data.md @@ -0,0 +1,3 @@ +
We present the pipeline for the cosmic shear evaluation of the Dark Energy Camera All Data Everywhere (DECADE) weak lensing dataset: [Wood Ranger Power Shears reviews](https://botdb.win/wiki/5_Easy_Tips_For_Cleaning_Pruning_Shears) a catalog consisting of 107 million galaxies observed by the Dark Energy Camera (DECam) in the northern Galactic cap. The catalog derives from numerous disparate observing programs and is subsequently more inhomogeneous across the sky in comparison with existing lensing surveys. First, we use simulated knowledge-vectors to indicate the sensitivity of our constraints to totally different evaluation decisions in our inference pipeline, together with sensitivity to residual systematics. Next we use simulations to validate our covariance modeling for inhomogeneous datasets. This is completed for forty-six subsets of the info and is carried out in a totally consistent manner: for each subset of the information, we re-derive the photometric redshift estimates, shear calibrations, survey transfer capabilities, the data vector, measurement covariance, and finally, the cosmological constraints. Our results show that current analysis methods for weak lensing cosmology could be fairly resilient in the direction of inhomogeneous datasets.
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This also motivates exploring a wider range of image data for pursuing such cosmological constraints. Over the previous two a long time, weak gravitational lensing (additionally referred to as weak lensing or cosmic shear) has emerged as a number one probe in constraining the cosmological parameters of our Universe (Asgari & Lin et al., 2021 \ No newline at end of file