How identifying circumgalactic gas by line-of-sight velocity instead of the location in 3D space affects O VI measurements

Stephanie H. Ho, Crystal L. Martin, Joop Schaye

The high incidence rate of the O VI $\lambda \lambda$1032,1038 absorption around low-redshift, $\sim$$L^{\ast }$ star-forming galaxies has generated interest in studies of the circumgalactic medium.…