INTEGRAL Observations of Magnetars

被引：0

作者：

Pacholski, Dominik Patryk ^{[1
,2
]}

Ducci, Lorenzo ^{[3
,4
]}

Topinka, Martin ^{[5
]}

Mereghetti, Sandro ^{[1
]}

机构：

[1] Ist Astrofis Spaziale & Fis Cosm Milano, INAF, Milan, Italy

[2] Univ Milano Bicocca, Dipartimento Fis G Occhialini, Milan, Italy

[3] Univ Tubingen, Inst Astron & Astrophys, Kepler Ctr Astro & Particle Phys, Tubingen, Germany

[4] Univ Geneva, ISDC Data Ctr Astrophys, Geneva, Switzerland

[5] INAF, Osservatorio Astron Cagliari, Selargius, Italy

来源：

ASTRONOMISCHE NACHRICHTEN | 2025年 / 346卷 / 01期

关键词：

gamma rays: bursts; stars: neutron; X-rays: bursts; X-RAY; EMISSION; PULSAR; SGR-1806-20; BURSTS;

D O I：

10.1002/asna.20240109

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The INTEGRAL satellite has collected a large amount of data on magnetars in our Galaxy, spanning more than 20 years starting from 2003. The large data set obtained with the IBIS/ISGRI instrument at energies above 20 keV allows us to study both the properties and long-term evolution of their persistent hard X-ray emission and the population characteristics of the short bursts emitted during active periods. We are carrying out a comprehensive analysis of the observed magnetars, exploiting the most recent calibrations and analysis software. Here we report on the long term evolution of the hard X-ray flux of the magnetars detected with ISGRI and the results of a sensitive search for short bursts in SGR J1935+2154.

引用

页数：6

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