|Description:|| Radio galaxies were among the first celestial radio sources identified, and are among the brightest and best studied. However, with a slew of powerful new radio telescopes now coming online, we have a chance to see these objects with fresh eyes. What might we learn? I will introduce and discuss my recent work on the polarised emission from two famous radio galaxies --- Fornax A and Centaurus A --- and prospects for near-term and medium-term work on an expanded sample of similar objects. I will also discuss the related effort of commissioning the polarization capabilities of the new Australian Square Kilometre Array Pathfinder (ASKAP) radio telescope, including recent results, and challenges going forward.|
This is an image of the polarised radio emission from the radio galaxy Fornax A, made with the new Australian Square Kilometre Array Pathfinder (ASKAP) telescope. Lying at a distance of 60 million light years from Earth, Fornax A is one of the brightest, nearest, and best studied objects of its type. The radio emission visible in the image is coming from two bubbles of super-heated plasma, which have been inflated and ejected from the host galaxy by oppostitely-directed jets, which were formed long ago by the supermassive black hole residing in its center.