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

Ursini, Francesco; Gnarini, Andrea; Capitanio, Fiamma; Bobrikova, Anna; Cocchi, Massimo; Di Marco, Alessandro; Fabiani, Sergio; Farinelli, Ruben; La Monaca, Fabio; Rankin, John; Saade, Mary Lynne; Poutanen, Juri
The IXPE View of Neutron Star Low-Mass X-ray Binaries

Ursini, Francesco
Gnarini, Andrea
Capitanio, Fiamma
Bobrikova, Anna
Cocchi, Massimo
Di Marco, Alessandro
Fabiani, Sergio
Farinelli, Ruben
La Monaca, Fabio
Rankin, John
Saade, Mary Lynne
Poutanen, Juri
Katso/Avaa
Lataukset: 

MDPI
doi:10.3390/galaxies12040043
URI
https://doi.org/10.3390/galaxies12040043
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Julkaisun pysyvä osoite on:
https://urn.fi/URN:NBN:fi-fe2025082792263
Tiivistelmä
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.
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