期刊
ASTROPHYSICAL JOURNAL LETTERS
卷 829, 期 2, 页码 -出版社
IOP PUBLISHING LTD
DOI: 10.3847/2041-8205/829/2/L25
关键词
pulsars: individual (PSR J1119-6127); stars: magnetars; X-rays: bursts
资金
- Scientific and Technological Research Council of Turkey (TUBITAK) [115F463]
- Fundamental Research Funds for the Central Universities
- National Natural Science Foundation of China [11543004]
- Science Foundation Ireland [12/IP/1288]
- Science Foundation Ireland (SFI) [12/IP/1288] Funding Source: Science Foundation Ireland (SFI)
Two energetic hard X-ray bursts from the rotation-powered pulsar PSR. J1119-6127 recently triggered the Fermi and Swift space observatories. We have performed in-depth spectral and temporal analyses of these two events. Our extensive searches in both observatories' data for lower luminosity bursts uncovered 10 additional events from the source. We report here on the timing and energetics of the 12 bursts from PSR. J1119-6127 during its burst active phase on 2016 July 26 and 28. We also found a spectral softer X-ray flux enhancement in a post-burst episode, which shows evidence of cooling. Here we discuss the implications of these results on the nature of this unusual high-field radio pulsar, which firmly place it within the typical magnetar population.
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