Timing of the accreting millisecond pulsar IGR J17591-2342: evidence of spin-down during accretion

A. Sanna, L. Burderi, K. C. Gendreau +8

We report on the phase-coherent timing analysis of the accreting millisecond X-ray pulsar IGR J17591-2342, using Neutron Star Interior Composition Explorer (NICER) data taken durin…