UV and X-ray pulse amplitude variability in the transitional millisecond pulsar PSR J1023+0038
A. Miraval Zanon,
F. Ambrosino,
F. Coti Zelati
et al.
Abstract:The transitional millisecond pulsar PSR J1023+0038 is the first millisecond pulsar discovered to emit UV and optical pulses. Here we present the results of the UV and X-ray phase-resolved timing analysis of observations performed with the Hubble Space Telescope, XMM-Newton, and NuSTAR satellites between 2014 and 2021. Ultraviolet pulsations are detected in the high luminosity mode and disappear during low and flaring modes, similar to what is observed in the X-ray band. In the high mode, we find variability in… Show more
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