Masterson, M, Kara, E, Pasham, D R, D'Orazio, D J, Walton, D J, Fabian, A C, Lucchini, M, Remillard, R A, Arzoumanian, Z, Burkhonov, O, Choi, H, Ehgamberdiev, S A, Ferrara, E C, Guolo, M, Im, M, Kim, Y, Mirzaqulov, D O, Paek, G S H, Sung, H-I & Yoon, J-N 2023, ' Unusual Hard X-Ray Flares Caught in NICER Monitoring of the Binary Supermassive Black Hole Candidate AT2019cuk/Tick Tock/SDSS J1430+2303 ', Astrophysical Journal Letters, vol. 945, no. 2, 34 . https://doi.org/10.3847/2041-8213/acbea9