![]() However, the velocities are consistent with zero or negative for neighbours outside 3 Mpc. In a large-scale analysis, we find that the average velocity offsets increase for neighbours out to 2 Mpc. ![]() The luminosity-weighted mean velocity offset between SAMI galaxies and neighbours, which indicates the signal of coherence between the rotation of the SAMI galaxies and the motion of neighbours, is 9.0 ± 5.4 km s −1 (1.7σ) for neighbours within 1 Mpc. ![]() We calculate the luminosity-weighted mean velocity difference between SAMI galaxies and their neighbours in the direction perpendicular to the SAMI galaxies’ angular momentum axes. ![]() Using data from the SAMI Galaxy Survey, we investigate the correlation between the projected stellar kinematic spin vector of 1397 SAMI galaxies and the line-of-sight motion of their neighbouring galaxies. ![]()
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