Change in the Orbital Period of a Binary System Due to an Outburst in a Windy Accretion Disk

@article{Avakyan2021ChangeIT,
  title={Change in the Orbital Period of a Binary System Due to an Outburst in a Windy Accretion Disk},
  author={A. L. Avakyan and Galina Lipunova and Konstantin L. Malanchev and Nikolai I. Shakura},
  journal={Astronomy Letters},
  year={2021}
}
We consider a new mechanism for the removal of the angular momentum from an X-ray binary system and the change in its orbital period — the mass loss in the form of a wind from an accretion disc. Both observations and models predict powerful winds from discs in X-ray transients. We have obtained an analytical estimate for the increase in the orbital period of a binary system with a wind from the disc during an outburst, and quantitative estimates are given for the systems XTE J1118+480, A0620−00… 

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