X-Ray Polarimetry of the Accreting Pulsar 1A 0535+262 in the Supercritical State with PolarLight

X-Ray Polarimetry of the Accreting Pulsar 1A 0535+262 in the Supercritical State with PolarLight

The X-ray pulsar 1A 0535+262 exhibited a giant outburst in 2020, offering us a unique opportunity for X-ray polarimetry of an accreting pulsar in the supercritical state. Measurement with PolarLight yielded a nondetection in 3–8 keV; the 99% upper limit of the polarization fraction (PF) is found to...

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Bibliographic Details
Main Authors: Xiangyun Long, Hua Feng, Hong Li, Ling-Da Kong, Jeremy Heyl, Long Ji, Lian Tao, Fabio Muleri, Qiong Wu, Jiahuan Zhu, Jiahui Huang, Massimo Minuti, Weichun Jiang, Saverio Citraro, Hikmat Nasimi, Jiandong Yu, Ge Jin, Ming Zeng, Peng An, Luca Baldini, Ronaldo Bellazzini, Alessandro Brez, Luca Latronico, Carmelo Sgrò, Gloria Spandre, Michele Pinchera, Paolo Soffitta, Enrico Costa
Format: Article
Language:English
Published: IOP Publishing 2023-01-01
Series:The Astrophysical Journal
Subjects:
Pulsars
Polarimetry
X-ray sources
Online Access:https://doi.org/10.3847/1538-4357/acd0af

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