1ES 1927+654: Persistent and rapid X-ray variability in an AGN with low intrinsic neutral X-ray absorption and narrow optical emission lines

Galaxy

1ES 1927+654 is a type 2 Seyfert galaxy located 270 million light-years away in the constellation of Draco, containing an active galactic nucleus. 1ES 1927+654 it is located in a host galaxy that is relatively unremarkable in appearance.