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IXPE Observation of the New Magnetar Source EP J223759.5+531421

  • Authors: Roberto Taverna, Lorenzo Marra, Roberto Turolla, Ruth M. E. Kelly, Silvia Zane, Alice Borghese, Francesco Coti Zelati, Paolo Esposito, Gian Luca Israel, Nanda Rea, Haonan Yang, Yilong Wang

Roberto Taverna et al 2026 The Astrophysical Journal Letters 1011 .

  • Provider: AAS Journals

Caption: Figure 9.

Phase-dependent 2.0–7.5 keV (normalized) flux (top, black lines), polarization degree (center, red lines), and polarization angle (bottom, blue lines) simulated with the ray-tracing code, including (solid lines) or neglecting (dashed lines) vacuum birefringence effects. The black diamonds with 1σ error bars show the IXPE data.

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