May 16 – 18, 2025
College of Management, National Formosa University 國立虎尾科技大學第三校區文理暨管理大樓
Asia/Taipei timezone
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NICER Magnetar Burst Catalog

May 18, 2025, 11:45 AM
15m
International Conference Hall 圓形國際會議廳 (College of Management, National Formosa University 國立虎尾科技大學第三校區文理暨管理大樓)

International Conference Hall 圓形國際會議廳

College of Management, National Formosa University 國立虎尾科技大學第三校區文理暨管理大樓

632 雲林縣虎尾鎮民主路63號文理暨管理大樓 第三校區圓形國際會議廳(文理暨管理大樓一樓) National Formosa University, 1F College of Managment, Huwei Township, Yunlin County, Taiwan

Speaker

Che-Yen Chu (National Changhua University of Education)

Description

In this paper, we present a comprehensive catalog of magnetar bursts detected with NICER, aimed at characterizing their temporal and spectral properties. This study includes all available NICER observations of known magnetars and two magnetar-like rotation-powered pulsars, covering 7.5 years of data. Using the Bayesian blocks method, we systematically search for rapid flux variations in the light curves to identify bursts. With NICER’s large effective area and high timing resolution, we perform detailed timing and spectral analyses, measuring key burst parameters such as T90 duration, fluence, and peak flux. By examining parameter distributions and correlation coefficients, we explore potential relationships between burst properties. Additionally, we compare burst characteristics across different magnetars and magnetar-like pulsars, identifying similarities and differences that may provide insight into their emission mechanisms. This catalog serves as a valuable resource for understanding magnetar bursts, with implications for burst trigger mechanisms and magnetospheric dynamics.

Section High Energy

Primary authors

Che-Yen Chu (National Changhua University of Education) Chin-Ping Hu (National Changhua University of Education)

Co-author

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