G306.3-0.9: A newly discovered young galactic supernova remnant

Mark T. Reynolds, Shyeh T. Loi, Tara Murphy, Jon M. Miller, Dipankar Maitra, Kayhan Gültekin, Neil Gehrels, Jamie A. Kennea, Michael H. Siegel, Jonathan Gelbord, Paul Kuin, Vanessa Moss, Sarah Reeves, William J. Robbins, B. M. Gaensler, Rubens C. Reis, Robert Petre