SDSS data for difference in redshift between galaxies that rotate in the same direction relative to the Milky Way, or in the opposite direction relative to the Milky Way.


The dataset includes the SDSS objects with the coordinates and spectroscopy data, annotated by their direction of rotation.


both.xlsx





A dataset of DECam objects with the coordinates and redshift (taken from SIMBAD) from the Southern Galactic pole.

simbad_data.xlsx





Paper reference:

Shamir, L., A simple direct empirical observation of systematic bias of the redshift as a distance indicator, Universe, 10(3), 129, 2024.