JWST timing observation detects pulsed IR emission from magnetar 4U 0142+61 matching its spin period, with flux 22.9±0.6 μJy and ~10% pulsed fraction lower limit.
The McGill Magnetar Catalog.ApJ Suppl
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A second coherent radio burst spanning 704-4032 MHz with spectral index -2.18, 54% linear and 22% circular polarization, and an orthogonal polarization angle jump was detected from 2XMM J104608.7-594306, showing rare radio activity in sources thought to be radio-quiet.
A model incorporating magnetic field decay and post-birth re-emergence explains why kinematic ages exceed characteristic ages in most magnetars.
New EP-FXT data on the 2024 outburst of magnetar 1E 1841-045 shows energy-dependent multi-peaked pulses, spectral hardening, BB temperature-pulse intensity correlations, and effective separation from supernova remnant emission.
FRB 20220912A shows bimodal burst intervals, a 2.3-sigma DM rise of 1.4 pc cm^{-3} yr^{-1}, no RM trend, and possibly unique local environment compared to other repeaters.
citing papers explorer
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Pulsed Infrared Emission from Magnetar 4U 0142+61 Detected by JWST
JWST timing observation detects pulsed IR emission from magnetar 4U 0142+61 matching its spin period, with flux 22.9±0.6 μJy and ~10% pulsed fraction lower limit.
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A bright wideband radio burst from the isolated neutron star 2XMM J104608.7$-$594306
A second coherent radio burst spanning 704-4032 MHz with spectral index -2.18, 54% linear and 22% circular polarization, and an orthogonal polarization angle jump was detected from 2XMM J104608.7-594306, showing rare radio activity in sources thought to be radio-quiet.
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A phenomenological model of the magnetic field re-emergence in magnetars and discrepancy between the kinematic and characteristic ages
A model incorporating magnetic field decay and post-birth re-emergence explains why kinematic ages exceed characteristic ages in most magnetars.
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Resolving the 2024 Outburst of Magnetar 1E 1841-045 from its host Supernova Remnant with EP-FXT
New EP-FXT data on the 2024 outburst of magnetar 1E 1841-045 shows energy-dependent multi-peaked pulses, spectral hardening, BB temperature-pulse intensity correlations, and effective separation from supernova remnant emission.
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Radio Monitoring Campaign of Active Repeater FRB 20220912A with CHIME
FRB 20220912A shows bimodal burst intervals, a 2.3-sigma DM rise of 1.4 pc cm^{-3} yr^{-1}, no RM trend, and possibly unique local environment compared to other repeaters.
- Data-Driven Constraints on Magnetar Population: No Evidence for a Distinct White Dwarf Channel