Simulation of X-Ray Bursts and Superbursts

被引：0

作者：

Reichert, Julia ^{[1
]}

Fehlmann, Sofie ^{[1
]}

Cabezon, Ruben ^{[1
]}

Thielemann, Friedrich-Karl ^{[1
]}

机构：

[1] Dept Phys, CH-4056 Basel, Switzerland

来源：

PROCEEDINGS OF THE 14TH INTERNATIONAL SYMPOSIUM ON NUCLEI IN THE COSMOS (NIC2016) | 2016年

关键词：

X-ray burst; 1D simulations; Superburst;

D O I：

10.7566/JPSCP.14.020509

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Regular bursts have been observed in binary systems containing a neutron star with an accretion flow of matter from the companion star. These bursts are so-called type I X-ray bursts and occur due to thermonuclear explosions in the accreted shell of the neutron stars. Observations have shown that after thousands of X-ray bursts a rare superburst event may take place. These superbursts are thought to be triggered by unstable carbon ignition from the accumulated ashes of the previous X-ray bursts. One of our aims is to produce a self-consistent superburst, for which the amount of the remaining C-12 in the ashes is a crucial factor. Furthermore, we investigate the influence of the crustal heating on the behaviour of X-ray bursts and on the composition of their ashes.

引用

页数：3

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