X-Ray and Optical Polarization Aligned with the Radio Jet Ejecta in GX 339–4

X-Ray and Optical Polarization Aligned with the Radio Jet Ejecta in GX 339–4

We present the first X-ray polarization measurements of GX 339–4. IXPE observed this source twice during its 2023–2024 outburst, once in the soft-intermediate state and again during a soft state. The observation taken during the intermediate state shows a significant (4 σ ) polarization degree P _X...

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Main Authors: G. Mastroserio, B. De Marco, M. C. Baglio, F. Carotenuto, S. Fabiani, T. D. Russell, F. Capitanio, Y. Cavecchi, S. Motta, D. M. Russell, M. Dovčiak, M. Del Santo, K. Alabarta, A. Ambrifi, S. Campana, P. Casella, S. Covino, G. Illiano, E. Kara, E. V. Lai, G. Lodato, A. Manca, I. Mariani, A. Marino, C. Miceli, P. Saikia, A. W. Shaw, J. Svoboda, F. M. Vincentelli, J. Wang
Format: Article
Language:English
Published: IOP Publishing 2025-01-01
Series:The Astrophysical Journal Letters
Subjects:
Accretion
Low-mass x-ray binary stars
X-ray astronomy
Radio astronomy
Astrophysical black holes
Online Access:https://doi.org/10.3847/2041-8213/ad9913
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https://doi.org/10.3847/2041-8213/ad9913

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