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New Views of Thermonuclear Bursts

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arxiv astro-ph/0301544 v2 pith:JQ7QDGZK submitted 2003-01-28 astro-ph

classification astro-ph
keywords neutronstarsburststhermonuclearburningoscillationsphenomenax-ray
verification ladder T0 review T1 audit T2 compute T3 formal

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Since the advent of powerful new X-ray observatories, NASA's Rossi X-ray Timing Explorer (RXTE), the Italian - Dutch BeppoSAX mission, XMM-Newton and Chandra, a number of entirely new phenomena associated with thermonuclear burning on neutron stars have been discovered. These include: (i) the discovery of millisecond (300 - 600 Hz) oscillations during bursts, so called ``burst oscillations'', (ii) a new regime of nuclear burning on neutron stars which manifests itself through the generation of hours long flares about once a decade, now referred to as ``superbursts'',(iii) discoveries of bursts from low accretion rate neutron stars, and (iv) new evidence for discrete spectral features from bursting neutron stars. In this article we review our current understanding of thermonuclear bursts on neutron stars, with a focus on these new phenomena.

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Cited by 5 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. OpenAlex reports about 6 citations worldwide. Full citation record

  1. Relativistic X-ray reflection and thermonuclear burst from accreting millisecond X-ray pulsar SRGA J144459.2-604207

    astro-ph.HE 2025-07 conditional novelty 6.0 of 10

    Time-resolved X-ray spectral fits of SRGA J1444 reveal up to 30% disk reflection during thermonuclear bursts, an inner disk radius near 11 gravitational radii, and a polar magnetic field around 6e8 Gauss.

  2. Thermonuclear Heating of Accreting Neutron Stars

    astro-ph.HE 2025-05 conditional novelty 6.0 of 10

    Stationary envelope models with nuclear burning are validated against MESA and used to map the heat flow between the burning envelope and the crust of accreting neutron stars.

  3. NICER observes a secondary peak in the decay of a thermonuclear burst from 4U 1608-52

    astro-ph.HE 2019-08 accept novelty 6.0 of 10

    A thermonuclear X-ray burst from 4U 1608-52 shows a dip and secondary peak in soft X-rays and bolometric flux, argued to be intrinsic to the burning process rather than absorption or photospheric expansion.

  4. Composition of Radiation-Driven Winds from Type I X-ray Bursts

    astro-ph.HE 2026-06 unverdicted novelty 5.0 of 10

    MESA simulations show that winds from Type I X-ray bursts igniting at column depths ≥5×10^8 g cm^{-2} eject ash enriched in intermediate-mass to iron-peak elements, with composition depending on ignition depth, accret...

  5. QPO signatures of disk restoration after type-I X-ray bursts from 4U~1636$-$536

    astro-ph.HE 2025-05 conditional novelty 4.0 of 10

    In three bursts of 4U 1636-536, kHz QPOs are absent for 100-200 s after a Type-I burst and return around 200 s, suggesting temporary inner disk disruption and viscous restoration.

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