PoS - Proceedings of Science
Volume 447 - Multifrequency Behaviour of High Energy Cosmic Sources XIV (MULTIF2023) - Astrophysics of High Energy Cosmic Sources
Timing (Pulsating) ULX-ray sources – lessons learned from M82
M. Bachetti
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Published on: April 17, 2024
Abstract
M82 X-2 is the archetypal pulsating ultraluminous X-ray sources – X-ray pulsars whose flux can be hundreds of times their Eddington limit. Since 2014, we have been conducting a thorough observation campaign of this pulsar, tracking the acceleration of its rotation over time, and now, tracking its orbital evolution. This work can in principle be applied to other ULXs as well, to try to understand their age, their mechanism of mass transfer and, ultimately, their origin and their fate.
DOI: https://doi.org/10.22323/1.447.0053
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