Obscuring clouds playing hide-and-seek in the active nucleus H0557โ385
Obscuring clouds playing hide-and-seek in the active nucleus H0557โ385
This paper reports on two XMM-Newton observations of the Seyfert 1 Galaxy H0557-385 obtained in 2006, which show the source at an historical low flux state, more than a factor of 10 lower than a previous XMM-Newton look in 2002. The low flux spectrum presents a strong Fe Kalpha line โฆ