A sample of 1156 IFU-covered galaxy pairshave been selected, and their properties along the merger sequence have been studied. Researchers found no evolution of the AGN fraction, and studied the star forming condition in isolated and paired galaxies of different types.

Astronomers at NAOC have identified a large sample of kinematically confirmed galaxy pairs. This is the first time such a large sample of emission line galaxies have been constructed at redshift 1. Using the spectral data, the impact of galaxy interaction on the formation of both galaxies and their central black holes have been studied.

In the presence of superhorizon perturbations, the authors find the connection between the two most intriguing contemporary problems: Hubble tension and isotropy violation at large distance scales. They also find a region of parameter space with which these perturbations explain both afore mentioned problems.