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Timing of the accreting millisecond pulsar IGR~J17511--3057
A. Riggio, A. Papitto, L. Burderi +5
{Timing analysis of Accretion-powered Millisecond Pulsars (AMPs) is a powerful tool to probe the physics of compact objects. The recently discovered \newigrj is the 12 discovered o…
The spin and orbit of the newly discovered pulsar IGR J17480-2446
A. Papitto, A. D'Ai', S. Motta +5
We present an analysis of the spin and orbital properties of the newly discovered accreting pulsar IGR J17480-2446, located in the globular cluster Terzan 5. Considering the pulses…
New ephemeris of the ADC source 2A 1822-371: a stable orbital-period derivative over 30 years
L. Burderi, T. Di Salvo, A. Riggio +4
We report on a timing of the eclipse arrival times of the low mass X-ray binary and X-ray pulsar 2A 1822-371 performed using all available observations of the Proportional Counter…
Spin down during quiescence of the fastest known accretion-powered pulsar
A. Papitto, A. Riggio, L. Burderi +3
We present a timing solution for the 598.89 Hz accreting millisecond pulsar, IGR J00291+5934, using Rossi X-ray Timing Explorer data taken during the two outbursts exhibited by the…
The X-ray spectrum of the newly discovered accreting millisecond pulsar IGR J17511-3057
A. Papitto, A. Riggio, T. Di Salvo +5
We report on an XMM-Newton observation of the accreting millisecond pulsar, IGR J17511-3057. Pulsations at 244.8339512(1) Hz are observed with an RMS pulsed fraction of 14.4(3)%. A…
A self-consistent approach to the hard and soft states of 4U 1705-44
A. D'Aì, T. Di Salvo, D. Ballantyne +10
We analyzed two XMM-Newton observations of the bright atoll source 4U 1705-44, which can be considered a prototype of the class of the persistent NS LMXBs showing both hard and sof…