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Sensitivity of He Flames in X-Ray Bursts to Nuclear Physics
Published 2023-01-01Subjects: “…X-ray bursts…”
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What can NuSTAR do for thermonuclear X-ray bursts?
Published 2019“…Unstable thermonuclear burning on the surface of accreting neutron stars is commonly observed as type I X-ray bursts. The flux released during some strong bu rsts can temporarily exceed the Eddington limit, driving the neutron star photosphere to such large radii that heavy-element ashes of nuclear burning are ejected in the burst expansion wind. …”
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Super-Eddington Winds from Type I X-Ray Bursts
Published 2020“…We present hydrodynamic simulations of spherically symmetric super-Eddington winds from radius-expansion type I X-ray bursts. Previous studies assumed a steady-state wind and treated the mass-loss rate as a free parameter. …”
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Reanalysis of the X-Ray-burst-associated FRB 200428 with Insight-HXMT Observations
Published 2023-01-01Subjects: Get full text
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Sensitivity Study of Type-I X-ray Bursts to Nuclear Reaction Rates
Published 2022-01-01“…Type-I X-ray bursts are frequently occurring thermonuclear runaways on the surface of an accreting neutron star. …”
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Comparing Early Evolution of Flames in X-Ray Bursts in Two and Three Dimensions
Published 2023-01-01Subjects: “…X-ray bursts…”
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Experimental investigation of the 30S(α, p) thermonuclear reaction in x-ray bursts
Published 2016-01-01“…We performed the first measurement of 30S+α resonant elastic scattering to experimentally examine the 30S(α, p) stellar reaction rate in type I x-ray bursts. These bursts are the most frequent thermonuclear explosions in the galaxy, resulting from thermonuclear runaway on the surface of accreting neutron star binaries. …”
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The X-Ray Bursts of XTE J1739–285: A NICER Sample
Published 2022“…Across a 20 day period, we detected 32 thermonuclear X-ray bursts, with an average burst recurrence time of 2.0-0.3+0.4 hr. …”
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The X-Ray Bursts of XTE J1739–285: A NICER Sample
Published 2022“…Across a 20 day period, we detected 32 thermonuclear X-ray bursts, with an average burst recurrence time of 2.0-0.3+0.4 hr. …”
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A bright thermonuclear X-ray burst simultaneously observed with Chandra and RXTE
Published 2014“…These and other recent observations of X-ray bursts point out the need for detailed theoretical modeling of the radiative and hydrodynamical interaction between thermonuclear X-ray bursts and accretion disks.…”
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Multiwavelength observations of EXO 0748-676. I. Reprocessing of X-ray bursts
Published 2006“…We present high time-resolution multi wavelength observations of X-ray bursts in the low-mass X-ray binary UY Vol. Strong reprocessed signals are present in the ultraviolet and optical, lagged and smeared with respect to the X-rays. …”
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Sensitivity Study of Nuclear Reactions Influencing Photospheric Radius Expansion X-Ray Bursts
Published 2022-01-01“…An example is the accretion-powered millisecond pulsar SAX J1808.4–3658 [3, 4] that powered up the brightest Type-I X-ray burst (XRB) recorded by NICER in recent history [5]. …”
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Classical novae and type I X-ray bursts: Challenges for the 21st century
Published 2014-01-01“…Classical nova explosions and type I X-ray bursts are the most frequent types of thermonuclear stellar explosions in the Galaxy. …”
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The Minimum Variation Timescales of X-Ray Bursts from SGR J1935+2154
Published 2023-01-01“…In this work, we systematically study the MVTs of hundreds of X-ray bursts (XRBs) from SGR J1935+2154 observed by Insight-HXMT, GECAM, and Fermi/Gamma-ray Burst Monitor from 2014 July to 2022 January through the Bayesian block algorithm. …”
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NICER Observes the Effects of an X-Ray Burst on the Accretion Environment in Aql X-1
Published 2019“…Accretion disks around neutron stars regularly undergo sudden strong irradiation by Type-I X-ray bursts powered by unstable thermonuclear burning on the stellar surface. …”
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A NICER look at thermonuclear X-ray bursts from Aql X-1
Published 2022“…We detect 22 X-ray bursts including two short recurrence burst events in which the separation was only 451 s and 496 s. …”
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On the Cooling Tails of Thermonuclear X-ray Bursts: The IGR J17480–2446 Link
Published 2012“…We conclude that the detection of cooling along the decay is a sufficient, but not a necessary condition to identify an X-ray burst as thermonuclear. Finally, we compare these findings with X-ray bursts from other rapidly accreting neutron stars.…”
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The Imprint of Convection on Type I X-Ray Bursts: Pauses in Photospheric Radius Expansion Lightcurves
Published 2023-01-01“…Multidimensional simulations will be needed to properly model the interaction between convection and nuclear burning during these bursts, which will then enable a new way to use X-ray burst lightcurves to study neutron star surfaces.…”
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Quasiperiodic Peak Energy Oscillations in X-Ray Bursts from SGR J1935+2154
Published 2023-01-01“…Their transient X-ray emission usually manifests as short (a few hundred milliseconds), bright, energetic (∼10 ^40–41 erg) X-ray bursts. Since its discovery in 2014, SGR J1935+2154 has become one of the most prolific magnetars, exhibiting very active bursting episodes and other fascinating events, such as pulse timing antiglitches and fast radio bursts. …”
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