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Sub-arcminute localization of 13 repeating fast radio bursts detected by CHIME/FRB
Daniele Michilli, Mohit Bhardwaj, Charanjot Brar +23
We report on improved sky localizations of thirteen repeating fast radio bursts (FRBs) discovered by CHIME/FRB via the use of interferometric techniques on channelized voltages fro…
Detection of Repeating FRB 180916.J0158+65 Down to Frequencies of 300 MHz
P. Chawla, B. C. Andersen, M. Bhardwaj +37
We report on the detection of seven bursts from the periodically active, repeating fast radio burst (FRB) source FRB 180916.J0158+65 in the 300-400-MHz frequency range with the Gre…
Coordinated X-ray, Ultraviolet, Optical, and Radio Observations of the PSR J1023+0038 System in a Low-mass X-ray Binary State
Slavko Bogdanov, Anne M. Archibald, Cees Bassa +14
The PSR J1023+0038 binary system hosts a neutron star and a low-mass, main-sequence-like star. It switches on year timescales between states as an eclipsing radio millisecond pulsa…
Accretion-powered pulsations in an apparently quiescent neutron star binary
Anne M. Archibald, Slavko Bogdanov, Alessandro Patruno +10
Accreting millisecond X-ray pulsars are an important subset of low-mass X-ray binaries in which coherent X-ray pulsations can be observed during occasional, bright outbursts (X-ray…
An Ultraluminous X-ray Source Powered by An Accreting Neutron Star
M. Bachetti, F. A. Harrison, D. J. Walton +21
Ultraluminous X-ray sources (ULX) are off-nuclear point sources in nearby galaxies whose X-ray luminosity exceeds the theoretical maximum for spherical infall (the Eddington limit)…
NuSTAR Discovery of a Cyclotron Line in the Be/X-ray Binary RX J0520.5-6932 During Outburst
Shriharsh P. Tendulkar, Felix Fürst, Katja Pottschmidt +11
We present spectral and timing analysis of NuSTAR observations of RX J0520.56932 in the 3-79 keV band collected during its outburst in January 2014. The target was observed on t…