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Physics and astrophysics of strong magnetic field systems with eXTP
Andrea Santangelo, Silvia Zane, Hua Feng +38
In this paper we present the science potential of the enhanced X-ray Timing and Polarimetry (eXTP) mission for studies of strongly magnetized objects. We will focus on the physics…
X-ray and optical monitoring of the December 2017 outburst of the Be/X-ray binary AX J0049.4-7323
L. Ducci, C. Malacaria, P. Romano +5
AX J0049.4-7323 is a Be/X-ray binary that shows an unusual and poorly understood optical variability that consists of periodic and bright optical outbursts, simultaneous with X-ray…
An embedded X-ray source shines through the aspherical AT2018cow: revealing the inner workings of the most luminous fast-evolving optical transients
Raffaella Margutti, B. D. Metzger, R. Chornock +41
We present the first extensive radio to gamma-ray observations of a fast-rising blue optical transient (FBOT), AT2018cow, over its first ~100 days. AT2018cow rose over a few days t…
Mixed H/He bursts in SAX J1748.9-2021 during the spectral change of its 2015 outburst
Zhaosheng Li, V. De Falco, M. Falanga +6
SAX J1748.9-2021 is a transiently accreting X-ray millisecond pulsar. It is also known as an X-ray burster source discovered by Beppo-SAX. We analysed the persistent emission and t…
NuSTAR and NICER reveal IGR J17591-2342 as a new accreting millisecond X-ray pulsar
A. Sanna, C. Ferrigno, P. S. Ray +21
We report on the discovery by the Nuclear Spectroscopic Telescope Array (NuSTAR) and the Neutron Star Interior Composition Explorer (NICER) of the accreting millisecond X-ray pulsa…
SWIFT J1756.9-2508: spectral and timing properties of its 2018 outburst
A. Sanna, F. Pintore, A. Riggio +8
We discuss the spectral and timing properties of the accreting millisecond X-ray pulsar SWIFT J1756.9-2508 observed by XMM-Newton, NICER and NuSTAR during the X-ray outburst occurr…