On the origin of the FeK<i>α</i>line in the Seyfert 2 galaxy NGC 7172
On the origin of the FeK<i>α</i>line in the Seyfert 2 galaxy NGC 7172
The Seyfert 2 Galaxy NGC 7172 was observed twice by BeppoSAX narrow field instruments approximately one year apart. As found in previous observations, the source is variable on short time scales (hours) by a factor of ~30%, confirming the presence of a type 1 nucleus at the center. A strong …