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Probing Magnetars Using Spectral Lines with Future Telescopes

Published online by Cambridge University Press:  27 February 2023

Demet Kırmızıbayrak Open the ORCID record for Demet Kırmızıbayrak [Opens in a new window]  and
Jeremy Heyl Open the ORCID record for Jeremy Heyl [Opens in a new window]
Demet Kırmızıbayrak
Affiliation:
Department of Physics & Astronomy, University of British Columbia, Vancouver, BC V6T 1Z1, Canada; e-mail: demet@phas.ubc.ca, heyl@phas.ubc.ca
Jeremy Heyl
Affiliation:
Department of Physics & Astronomy, University of British Columbia, Vancouver, BC V6T 1Z1, Canada; e-mail: demet@phas.ubc.ca, heyl@phas.ubc.ca
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Abstract

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We present our findings on magnetar spectral line analysis in the context of upcoming high resolution, high effective area, high throughput X-ray telescopes for two cases: persistent magnetar emission and magnetar bursts. For magnetars in quiescence, we present our preliminary work on modelling for phase-resolved emission. Our results reveal the necessity of constraining line depth and width concurrently with line energy to conclusively determine hotspot emission and corresponding magnetic field geometry. We then present the results of our simulations using effective area and response of various current and upcoming X-ray telescopes for magnetar spectral line detection and expand on the exciting opportunities upcoming telescopes provide to probe quiescent and burst emission region geometry and propagation in the extreme magnetic field of a magnetar.

Keywords

stars: neutron - stars: magnetic fields - X-rays: bursts - X-rays: general - techniques: spectroscopic – telescopes
Type
Contributed Paper
Information
Proceedings of the International Astronomical Union , Volume 16 , Symposium S363: Neutron Star Astrophysics at the Crossroads: Magnetars and the Multimessenger Revolution , June 2020 , pp. 318 - 321
Creative Commons
Creative Common License - CCCreative Common License - BY
This is an Open Access article, distributed under the terms of the Creative Commons Attribution licence (https://creativecommons.org/licenses/by/4.0/), which permits unrestricted re-use, distribution, and reproduction in any medium, provided the original work is properly cited.
Copyright
© The Author(s), 2023. Published by Cambridge University Press on behalf of International Astronomical Union

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