# Investigating a unique partial eclipse in the high-mass X-ray binary IGR J16393−4643 with Swift-XRT

@article{Kabiraj2019InvestigatingAU,
title={Investigating a unique partial eclipse in the high-mass X-ray binary IGR J16393−4643 with Swift-XRT},
author={Sanhita Kabiraj and Nazma Islam and Biswajit Paul},
journal={Monthly Notices of the Royal Astronomical Society},
year={2019}
}
• Published 4 November 2019
• Physics
• Monthly Notices of the Royal Astronomical Society
The orbital profile of the high-mass X-ray binary IGR J16393−4643 shows a dip in its X-ray intensity, which was previously interpreted as an eclipse. Unlike most eclipsing HMXBs, where the X-ray eclipses are about two orders of magnitude fainter compared to the out-of-eclipse emission, this particular eclipse-like feature is narrow and partial, casting doubt if it is indeed an eclipse. To further investigate the nature of this low-intensity orbital phase, we use a large number of observations…

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