{"title":"关于 OAO 1657-415 中大质量成分的恒星风速估算","authors":"N. Ikhsanov, V.Yu. Kim, N. Beskrovnaya","doi":"10.31725/0367-7966-2024-233-34-38","DOIUrl":null,"url":null,"abstract":"We discuss manifestations of the accreting neutron star in the massive X-ray binary system OAO 1657-415. We estimate the mass transfer rate between the system components within a scenario of wind-fed accretion and show that the X-ray luminosity of the pulsar can be explained only under condition that the velocity of stellar wind of the massive component in the orbital plane of the system is in the interval 200–500 km/s.","PeriodicalId":503631,"journal":{"name":"Publications of the Pulkovo Observatory","volume":null,"pages":null},"PeriodicalIF":0.0000,"publicationDate":"2024-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"On the estimate of the stellar wind velocity of the massive component in OAO 1657-415\",\"authors\":\"N. Ikhsanov, V.Yu. Kim, N. Beskrovnaya\",\"doi\":\"10.31725/0367-7966-2024-233-34-38\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"We discuss manifestations of the accreting neutron star in the massive X-ray binary system OAO 1657-415. We estimate the mass transfer rate between the system components within a scenario of wind-fed accretion and show that the X-ray luminosity of the pulsar can be explained only under condition that the velocity of stellar wind of the massive component in the orbital plane of the system is in the interval 200–500 km/s.\",\"PeriodicalId\":503631,\"journal\":{\"name\":\"Publications of the Pulkovo Observatory\",\"volume\":null,\"pages\":null},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2024-06-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Publications of the Pulkovo Observatory\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.31725/0367-7966-2024-233-34-38\",\"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":"1085","ListUrlMain":"https://doi.org/10.31725/0367-7966-2024-233-34-38","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
摘要
我们讨论了大质量X射线双星系统OAO 1657-415中中子星吸积的表现形式。我们估算了风吸积情况下系统各部分之间的质量转移率，并表明脉冲星的 X 射线光度只有在系统轨道面上大质量部分的恒星风速在 200-500 公里/秒之间的条件下才能得到解释。
On the estimate of the stellar wind velocity of the massive component in OAO 1657-415
We discuss manifestations of the accreting neutron star in the massive X-ray binary system OAO 1657-415. We estimate the mass transfer rate between the system components within a scenario of wind-fed accretion and show that the X-ray luminosity of the pulsar can be explained only under condition that the velocity of stellar wind of the massive component in the orbital plane of the system is in the interval 200–500 km/s.
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