Joint NICER+IXPE pulse-profile modeling of SRGA J144459.2-604207 favors large neutron-star mass and radius with two independent hotspots but shows strong sensitivity to joint-analysis methodology.
Accretion-powered millisecond pulsars
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abstract
I review X-ray observations of accretion-powered millisecond pulsars and current theories for formation of their spectra and pulse profiles.
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astro-ph.HE 1years
2026 1verdicts
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Pulse profile modelling of the 2024 outburst of the accreting millisecond pulsar SRGA J144459.2-604207
Joint NICER+IXPE pulse-profile modeling of SRGA J144459.2-604207 favors large neutron-star mass and radius with two independent hotspots but shows strong sensitivity to joint-analysis methodology.