AMI-CL J0300+2613: a Galactic anomalous-microwave-emission ring masquerading as a galaxy cluster

Yvette C. Perrott, Therese Cantwell, Steve H Carey, Patrick J. Elwood, Farhan Feroz, Keith Grainge, David A Green, Michael P. Hobson, Kamran Javid, Terry Jin, Guy Pooley, Nima Razavi-Ghods, Clare Rumsey, Richard D.E. Saunders, Anna Scaife, Michel P. Schammel, Paul F. Scott, Timothy W. Shimwell, David Titterington, Elizabeth Waldram