The 2024 outburst of RX J0520.5-6932 shows a cyclotron line at 32.2 keV, a revised orbital period of 24.39 days, and a pulsed-fraction decrease at 15 keV, a first for an extragalactic source.
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Broadband study of the Be X-ray binary RX J0520.5-6932 during its outburst in 2024
The 2024 outburst of RX J0520.5-6932 shows a cyclotron line at 32.2 keV, a revised orbital period of 24.39 days, and a pulsed-fraction decrease at 15 keV, a first for an extragalactic source.