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Article overview
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Insight-HXMT observations of the Crab pulsar | You-Li Tuo
; Ming-Yu Ge
; Li-Ming Song
; Lin-Li Yan
; Qing-Cui Bu
; Jin-Lu Qu
; | Date: |
9 Jun 2019 | Abstract: | We report on X-ray emission properties of the Crab pulsar(PSR B0531+21) using
observations by Insight-HXMT during its first year after launch. We obtained
high signal-to-noise profiles in the X-ray energy band 11-250 keV. We have
confirmed an increase in the flux ratio of the second peak over the main peak
with increasing energy, consistent with other missions. The separation of the
two peaks shows no significant trend with increasing energy. The phase-averaged
spectrum, fitted by a logpar model, and the phase-resolved spectra of the Crab
pulsar, fitted by a powerlaw in the different energy bands of HXMT, are
consistent with RXTE and NuSTAR in that photon indices evolve as a function of
phase as well as a function of energy contributing to a broadband modeling. | Source: | arXiv, 1906.3633 | Services: | Forum | Review | PDF | Favorites |
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