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Repeating fast radio bursts produced by a strange star interacting with its planet in an eccentric orbit.

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Title: Repeating fast radio bursts produced by a strange star interacting with its planet in an eccentric orbit.
Authors: Nurmamat, Nurimangul1 (AUTHOR), Huang, Yong-Feng1,2,3 (AUTHOR) hyf@nju.edu.cn, Geng, Jin-Jun4 (AUTHOR), Kurban, Abdusattar3,5 (AUTHOR), Li, Bing6,7 (AUTHOR)
Source: European Physical Journal C -- Particles & Fields. Feb2024, Vol. 84 Issue 2, p1-10. 10p.
Subjects: Planetary orbits, Solar radio bursts, Orbits (Astronomy), Magnetic fields
Abstract: FRB 180916 is an important repeating fast radio burst (FRB) source. Interestingly, the activity of FRB 180916 shows a well-regulated behavior, with a period of 16.35 days. The bursts are found to occur in a duty cycle of about 5 days in each period. In this study, we suggest that the bursts of FRB 180916 are produced by a strange star interacting with its planet. The planet moves in a highly eccentric orbit around its compact host, with the periastron only slightly beyond the tidal disruption radius. As a result, the planet will be partially disrupted every time it passes through the periastron. The stripped material from the planet will be accreted by the strange star, falling to the polar cap region along the magnetic field lines and accumulated there. It will finally lead to a local collapse when the crust at the polar region is overloaded, triggering an FRB. The observed 16.35 day period corresponds to the orbital motion of the planet, and the 5 day duty cycle is explained as the duration of the partial disruption near the periastron. The energy released in each local collapse event can be as high as ∼ 10 42 erg , which is large enough to account for typical FRBs even if the radiation efficiency is low. [ABSTRACT FROM AUTHOR]
Copyright of European Physical Journal C -- Particles & Fields is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: Repeating fast radio bursts produced by a strange star interacting with its planet in an eccentric orbit.
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  Data: <searchLink fieldCode="AR" term="%22Nurmamat%2C+Nurimangul%22">Nurmamat, Nurimangul</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Huang%2C+Yong-Feng%22">Huang, Yong-Feng</searchLink><relatesTo>1,2,3</relatesTo> (AUTHOR)<i> hyf@nju.edu.cn</i><br /><searchLink fieldCode="AR" term="%22Geng%2C+Jin-Jun%22">Geng, Jin-Jun</searchLink><relatesTo>4</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Kurban%2C+Abdusattar%22">Kurban, Abdusattar</searchLink><relatesTo>3,5</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Li%2C+Bing%22">Li, Bing</searchLink><relatesTo>6,7</relatesTo> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22European+Physical+Journal+C+--+Particles+%26+Fields%22">European Physical Journal C -- Particles & Fields</searchLink>. Feb2024, Vol. 84 Issue 2, p1-10. 10p.
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  Data: <searchLink fieldCode="DE" term="%22Planetary+orbits%22">Planetary orbits</searchLink><br /><searchLink fieldCode="DE" term="%22Solar+radio+bursts%22">Solar radio bursts</searchLink><br /><searchLink fieldCode="DE" term="%22Orbits+%28Astronomy%29%22">Orbits (Astronomy)</searchLink><br /><searchLink fieldCode="DE" term="%22Magnetic+fields%22">Magnetic fields</searchLink>
– Name: Abstract
  Label: Abstract
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  Data: FRB 180916 is an important repeating fast radio burst (FRB) source. Interestingly, the activity of FRB 180916 shows a well-regulated behavior, with a period of 16.35 days. The bursts are found to occur in a duty cycle of about 5 days in each period. In this study, we suggest that the bursts of FRB 180916 are produced by a strange star interacting with its planet. The planet moves in a highly eccentric orbit around its compact host, with the periastron only slightly beyond the tidal disruption radius. As a result, the planet will be partially disrupted every time it passes through the periastron. The stripped material from the planet will be accreted by the strange star, falling to the polar cap region along the magnetic field lines and accumulated there. It will finally lead to a local collapse when the crust at the polar region is overloaded, triggering an FRB. The observed 16.35 day period corresponds to the orbital motion of the planet, and the 5 day duty cycle is explained as the duration of the partial disruption near the periastron. The energy released in each local collapse event can be as high as ∼ 10 42 erg , which is large enough to account for typical FRBs even if the radiation efficiency is low. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of European Physical Journal C -- Particles & Fields is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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      – SubjectFull: Solar radio bursts
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      – SubjectFull: Orbits (Astronomy)
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      – SubjectFull: Magnetic fields
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              Text: Feb2024
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