Francesco Ursini, Andrea Gnarini, Fiamma Capitanio, Anna Bobrikova, Massimo Cocchi, Alessandro Di Marco, Sergio Fabiani, Ruben Farinelli, Fabio La Monaca, John Rankin, Mary Lynne Saade, Juri Poutanen
{"title":"The IXPE View of Neutron Star Low-Mass X-ray Binaries","authors":"Francesco Ursini, Andrea Gnarini, Fiamma Capitanio, Anna Bobrikova, Massimo Cocchi, Alessandro Di Marco, Sergio Fabiani, Ruben Farinelli, Fabio La Monaca, John Rankin, Mary Lynne Saade, Juri Poutanen","doi":"arxiv-2409.07161","DOIUrl":null,"url":null,"abstract":"Low-mass X-ray binaries hosting weakly magnetized neutron stars (NS-LMXBs)\nare among the brightest sources in the X-ray sky. Since 2021, the Imaging X-ray\nPolarimetry Explorer (IXPE) has provided new measurements of the X-ray\npolarization of these sources. IXPE observations have revealed that most\nNS-LMXBs are significantly polarized in the X-rays, providing unprecedented\ninsight into the geometry of their accretion flow. In this review paper, we\nsummarize the first results obtained by IXPE on NS-LMXBs, the emerging trends\nwithin each class of sources (atoll/Z), and possible physical interpretations.","PeriodicalId":501068,"journal":{"name":"arXiv - PHYS - Solar and Stellar Astrophysics","volume":"57 1","pages":""},"PeriodicalIF":0.0000,"publicationDate":"2024-09-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"arXiv - PHYS - Solar and Stellar Astrophysics","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/arxiv-2409.07161","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
Abstract
Low-mass X-ray binaries hosting weakly magnetized neutron stars (NS-LMXBs)
are among the brightest sources in the X-ray sky. Since 2021, the Imaging X-ray
Polarimetry Explorer (IXPE) has provided new measurements of the X-ray
polarization of these sources. IXPE observations have revealed that most
NS-LMXBs are significantly polarized in the X-rays, providing unprecedented
insight into the geometry of their accretion flow. In this review paper, we
summarize the first results obtained by IXPE on NS-LMXBs, the emerging trends
within each class of sources (atoll/Z), and possible physical interpretations.
承载弱磁化中子星的低质量 X 射线双星（NS-LMXBs）是 X 射线天空中最亮的光源之一。自 2021 年以来，成像 X 射线极化探测器（IXPE）对这些源的 X 射线极化进行了新的测量。IXPE的观测结果表明，大多数NS-LMXB在X射线中都有明显的极化现象，为了解其吸积流的几何形状提供了前所未有的视角。在这篇综述论文中，我们总结了 IXPE 获得的关于 NS-LMXB 的第一批结果、每一类来源（环礁/Z）的新趋势以及可能的物理解释。
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