Cosmology

Dark Energy Survey (DES) collaboration

Rubin Observatory Legacy Survey of Space and Time Dark Energy Science Collaboration (LSST DESC)

Intrinsic alignments

A condensed overview of common notations and concepts relevant for describing the intrinsic alignment (IA) of galaxies.

C. Lamman, E. Tsaprazi, J. Shi, N. Šarčević, S. Pyne, E. Legnani, T. Ferreira, The IA Guide: A Breakdown of Intrinsic Alignment Formalisms, The Open Journal of Astrophysics, Feb 2023
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Cosmic shear with blue galaxies

A cosmic shear reanalysis of the DES Y3 data limited to a pure sample of blue, star-forming galaxies, which is expected to be less impacted by IA.

J. McCullough, A. Amon, E. Legnani, D. Gruen, et al., Dark Energy Survey Year 3: Blue shear, arxiv (journal TBD), Oct 2024
read the paper see the data release page

Magnification

DES Y6, paper in prep.

Synthetic-source injection

A synthetic source injection (SSI) catalog of 146 million injections across the DES’s 5000 deg² footprint, used to characterize image processing algorithms and derive key quantities for the DES Y6 cosmology analysis.

D. Anbajagane, M. Tabbutt, et al. (incl. E. Legnani), Dark Energy Survey Year 6 Results: Synthetic-source Injection Across the Full Survey Using Balrog, arxiv (journal TBD), Jan 2025
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