The IXPE View of Neutron Star Low-Mass X-ray Binaries

被引：2

作者：

Ursini, Francesco ^{[1
]}

Gnarini, Andrea ^{[1
]}

Capitanio, Fiamma ^{[2
]}

Bobrikova, Anna ^{[3
]}

Cocchi, Massimo ^{[4
]}

Di Marco, Alessandro ^{[2
]}

Fabiani, Sergio ^{[2
]}

Farinelli, Ruben ^{[5
]}

La Monaca, Fabio ^{[2
,6
,7
]}

Rankin, John ^{[2
,8
]}

Saade, Mary Lynne ^{[9
,10
]}

Poutanen, Juri ^{[3
]}

机构：

[1] Univ Roma Tre, Dipartimento Matemat & Fis, Via Vasca Navale 84, I-00146 Rome, Italy

[2] INAF Ist Astrofis & Planetol Spaziali, Via Fosso Cavaliere 100, I-00133 Rome, Italy

[3] Univ Turku, Dept Phys & Astron, FI-20014 Turku, Finland

[4] INAF Osserv Astron Cagliari, Via Sci 5, I-09047 Selargius, Italy

[5] INAF Osserv Astrofis & Sci Spazio Bologna, Via P Gobetti 101, I-40129 Bologna, Italy

[6] Univ Roma Tor Vergata, Dipartimento Fis, Via Ric Sci 1, I-00133 Rome, Italy

[7] Univ Roma La Sapienza, Dipartimento Fis, Piazzale Aldo Moro 5, I-00185 Rome, Italy

[8] INAF Osserv Astron Brera, Via E Bianchi 46, I-23807 Merate, Italy

[9] Univ Space Res Assoc, Sci & Technol Inst, 320 Sparkman Dr, Huntsville, AL 35805 USA

[10] NASA Marshall Space Flight Ctr, Huntsville, AL 35812 USA

来源：

GALAXIES | 2024年 / 12卷 / 04期

基金：

芬兰科学院;

关键词：

X-ray polarimetry; neutron stars; X-ray binaries; BOUNDARY-LAYER; ACCRETION DISK; POLARIZATION; SURFACE; RADIO;

D O I：

10.3390/galaxies12040043

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

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.

引用

页数：8

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