Contrasting the UV and X-ray O VI Column Density Inferred for the Outflow in NGC 5548

Nahum Arav, Jelle Kaastra, Katrien Steenbrugge +4

We compare X-ray and UV spectroscopic observations of NGC 5548. Both data sets show O VI absorption troughs associated with the AGN outflow from this galaxy. We find that the robus…