Broadband X-ray spectra and timing of the accreting millisecondpulsar Swift J1756.9−2508 during its 2018 and 2019 outbursts

The accreting millisecond X-ray pulsar Swift J1756.9-2508 launched into an outburst in April 2018 and June 2019 - 8.7 years after the previous period of activity. We investigated the temporal, timi ...