{"title":"恒星在吸积驱动自旋情况下的临界期","authors":"N. Ikhsanov, N. Beskrovnaya","doi":"10.31725/0367-7966-2024-232-44-48","DOIUrl":null,"url":null,"abstract":"We consider the accretion-driven spin-up of a magnetized degenerate star in a close binary system under different assumptions about the accretion scenario. We have estimated the minimum possible spin period which the star can achieve in the course of such spin-up. We show that the star can achieve the minimum possible value of the spin period if the interchange instabilities of its magnetospheric boundary are suppressed.","PeriodicalId":500837,"journal":{"name":"Publications of the Pulkovo Observatory","volume":"85 ","pages":""},"PeriodicalIF":0.0000,"publicationDate":"2024-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Critical period of a star in the scenario of accretion-driven spin-up\",\"authors\":\"N. Ikhsanov, N. Beskrovnaya\",\"doi\":\"10.31725/0367-7966-2024-232-44-48\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"We consider the accretion-driven spin-up of a magnetized degenerate star in a close binary system under different assumptions about the accretion scenario. We have estimated the minimum possible spin period which the star can achieve in the course of such spin-up. We show that the star can achieve the minimum possible value of the spin period if the interchange instabilities of its magnetospheric boundary are suppressed.\",\"PeriodicalId\":500837,\"journal\":{\"name\":\"Publications of the Pulkovo Observatory\",\"volume\":\"85 \",\"pages\":\"\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2024-03-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Publications of the Pulkovo Observatory\",\"FirstCategoryId\":\"0\",\"ListUrlMain\":\"https://doi.org/10.31725/0367-7966-2024-232-44-48\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Publications of the Pulkovo Observatory","FirstCategoryId":"0","ListUrlMain":"https://doi.org/10.31725/0367-7966-2024-232-44-48","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Critical period of a star in the scenario of accretion-driven spin-up
We consider the accretion-driven spin-up of a magnetized degenerate star in a close binary system under different assumptions about the accretion scenario. We have estimated the minimum possible spin period which the star can achieve in the course of such spin-up. We show that the star can achieve the minimum possible value of the spin period if the interchange instabilities of its magnetospheric boundary are suppressed.
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