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Soft X-ray Observation of the Prompt Emission of GRB100418A. (arXiv:1507.03772v3 [astro-ph.HE] UPDATED)

July 30th, 2015

Ritsuko Imatani, Hiroshi Tomida, Satoshi Nakahira, Masashi Kimura, Takanori Sakamoto, Makoto Arimoto, Yoshitaka Morooka, Daisuke Yonetoku, Nobuyuki Kawai, Hiroshi Tsunemi

We have observed the prompt emission of GRB100418A, from its beginning by the
MAXI/SSC (0.7-7 keV) on board the International Space Station followed by the
Swift/XRT (0.3-10 keV) observation. The light curve can be fitted by a
combination of a power law component and an exponential component (decay
constant is $31.6\pm 1.6$ sec). The X-ray spectrum is well expressed by the
Band function with $E_{\rm p}\leq$8.3 keV. This is the brightest GRB showing a
very low value of $E_{\rm p}$. It satisfies the Yonetoku-relation ($E_{\rm
p}$-$L_{\rm p}$). It is also consistent with the Amati relation ($E_{\rm
p}$-$E_{\rm iso}$) in 2.5$\sigma$ level.


http://arxiv.org/abs/1507.03772


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Investigation of Redshift- and Duration-Dependent Clustering of Gamma-ray Bursts. (arXiv:1507.07117v1 [astro-ph.HE])

July 28th, 2015


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The lightcurve of the macronova associated with the long-short burst GRB 060614. (arXiv:1507.07206v1 [astro-ph.HE])

July 28th, 2015


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Constraining GRB progenitors environment with Swift XRT. (arXiv:1507.06491v1 [astro-ph.HE])

July 24th, 2015


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Can life survive Gamma-Ray Bursts in the high-redshift universe?. (arXiv:1507.05966v1 [astro-ph.HE])

July 23rd, 2015


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Neutrino Telescope Array Letter of Intent: A Large Array of High Resolution Imaging Atmospheric Cherenkov and Fluorescence Detectors for Survey of Air-showers from Cosmic Tau Neutrinos in the PeV-EeV Energy Range. (arXiv:1408.6244v2 [astro-ph.IM] UPDATED)

July 23rd, 2015


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Testing and Performance of UFFO Burst Alert & Trigger Telescope. (arXiv:1507.05696v1 [astro-ph.HE])

July 22nd, 2015


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What is the Astrophysical Meaning of the Intermediate Subgroup of GRBs?. (arXiv:1507.05761v1 [astro-ph.HE])

July 22nd, 2015


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Early-time VLA observations and broad-band afterglow analysis of the Fermi-LAT detected GRB 130907A. (arXiv:1411.7368v3 [astro-ph.HE] UPDATED)

July 22nd, 2015


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On the sharpness of gamma-ray burst prompt emission spectra. (arXiv:1507.05589v1 [astro-ph.HE])

July 21st, 2015


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