Iwakiri W, Wolff MT, Vasilopoulos G, Gendreau K, Arzoumanian Z, Markwardt C, Strohmayer TE, Ray PS, Altamirano D, Mihara T, et al. NICER detection of 9.29 s pulsations from RX J0209.6-7427.  [Internet]. 2019;13309:1.