An X-ray variable absorber within the broad line region in Fairall 51
An X-ray variable absorber within the broad line region in Fairall 51
Fairall 51 is a polar-scattered Seyfert 1 galaxy, a type of active galaxies believed to represent a bridge between unobscured type-1 and obscured type-2 objects. Fairall 51 has shown complex and variable X-ray absorption but only little is known about its origin. In our research, we observed Fairall 51 with …