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2023RNAAS...7..201S - Research Notes of the AAS, 7, 201 (2023/September-0)

Further X-Ray Timing Investigations on the 2 hr Periodicity of PSR J1311-3430.

SU W.-S. and LI K.-L.

Abstract (from CDS):

We investigate the 2 hr X-ray periodicity of the black widow system PSR J1311-3430 observed in 2018. In this study, we applied a simulation method to find the period and error, which results in 7400 ± 60 s. The period is slightly shorter and the uncertainty is slightly higher than that reported in De Luca et al. Besides, we performed a phased-resolved spectral analysis, and find that the system did not show significant spectral variability over a cycle.

Abstract Copyright: © 2023. The Author(s). Published by the American Astronomical Society.

Journal keyword(s): Binary pulsars - Low-mass x-ray binary stars - Period search - High energy astrophysics - X-ray astronomy - X-ray photometry

Simbad objects: 1

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