IXPE data on magnetar 1E 1547.0-5408 show high linear polarization from a small hot spot whose phase-dependent angle is fit by a rotating vector model, with a marginal energy-dependent dip in polarization degree that may indicate vacuum resonance but does not constitute compelling evidence for biref
Probing magnetar magnetosphere through X-ray polarization measurements.Mon
3 Pith papers cite this work, alongside 60 external citations. Polarity classification is still indexing.
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Strong resonant Compton scattering controlled by magnetic twist and plasma drift can wash out vacuum-resonance 90° PA swings in magnetar soft X-rays and, at high drift, add an extra swing.
The paper presents a conceptual design for a stacked focal-plane polarimeter using multilayer mirrors, imaging photoelectric detectors, and an active Compton polarimeter to extend X-ray polarimetry to tens of keV with improved sensitivity.
citing papers explorer
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The long quest for vacuum birefringence in magnetars: 1E 1547.0-5408 and the elusive smoking gun
IXPE data on magnetar 1E 1547.0-5408 show high linear polarization from a small hot spot whose phase-dependent angle is fit by a rotating vector model, with a marginal energy-dependent dip in polarization degree that may indicate vacuum resonance but does not constitute compelling evidence for biref
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Impact of Resonant Compton Scattering on Magnetar X-Ray Polarization with QED Vacuum Resonance
Strong resonant Compton scattering controlled by magnetic twist and plasma drift can wash out vacuum-resonance 90° PA swings in magnetar soft X-rays and, at high drift, add an extra swing.
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Instruments for Focal Plane X-Ray Polarimetry in the Next Decade
The paper presents a conceptual design for a stacked focal-plane polarimeter using multilayer mirrors, imaging photoelectric detectors, and an active Compton polarimeter to extend X-ray polarimetry to tens of keV with improved sensitivity.