Statistical Analysis of Random Fields in Cosmology

Session

Chair: Ken Osato

6 Mar 2024, 15:00

Tsukuba Campus, KEK, Tsukuba, Japan

17. Galaxy shape/alignment statistics as a novel cosmological probe

Atsushi Taruya

06/03/2024, 15:00

Mapping the large-scale structure of the universe with galaxy surveys is one of the main science drivers for cosmology. So far, most of the analysis has been made wth the galaxy positional information, ignoring the individual shapes and orientations. In this talk, we consider the galaxy intrinsic orientation (intrinsic alignment, IA) as a novel probe, and show that the spatial correlation of...

16. Symmetry breaking in the large scale distribution of spin vector of galaxies?

Masanori Iye

06/03/2024, 15:40

We are compiling spin catalogs of galaxies from PanStarrs, SDSS, DES and HSC surveys to make statistical studies to search for any symmetry breaking in the large scale distribution of spin vectors of galaxies. The method and some tentative results of analyses will be reported.