Zobrazeno 1 - 10
of 351
pro vyhledávání: '"KANEKO, Yuki"'
Autor:
Keskin, Ozge, Gogus, Ersin, Kaneko, Yuki, Demirer, Mustafa, Yamasaki, Shotaro, Baring, Matthew G., Lin, Lin, Roberts, Oliver J., Kouveliotou, Chryssa
SGR J1935+2154 has truly been the most prolific magnetar over the last decade: It has been entering into burst active episodes once every 1-2 years since its discovery in 2014, it emitted the first Galactic fast radio burst associated with an X-ray b
Externí odkaz:
http://arxiv.org/abs/2402.18151
Autor:
Kaneko, Yuki, Tsunetsugu, Hirokazu
Publikováno v:
J. Phys. Soc. Jpn. 93, 033705 (2024)
We have studied the quadrupolar Kondo effect for an impurity in cubic environment with taking account of a singlet excited state $\Gamma_1$, which models a $\mathrm{Pr}^{3+}$ ion with a non-Kramers double ground state $\Gamma_3$. We have used the num
Externí odkaz:
http://arxiv.org/abs/2312.15936
Autor:
Roberts, Oliver J., Baring, Matthew G., Huppenkothen, Daniela, Gogus, Ersin, Kaneko, Yuki, Kouveliotou, Chryssa, Lin, Lin, van der Horst, Alexander J., Younes, George
Publikováno v:
ApJL 956 L27 (2023)
Magnetars are young neutron stars powered by the strongest magnetic fields in the Universe (10$^{13-15}$ G). Their transient X-ray emission usually manifests as short (a few hundred milliseconds), bright, energetic ($\sim$ 10$^{40-41}$ erg) X-ray bur
Externí odkaz:
http://arxiv.org/abs/2306.08130
Autor:
Kaneko, Yuki, Gogus, Ersin, Baring, Matthew G., Kouveliotou, Chryssa, Lin, Lin, Roberts, Oliver J., van der Horst, Alexander J., Younes, George, Keskin, Ozge, Coban, Omer Faruk
Publikováno v:
ApJL 916 (2021) L7
During 2020 April and May, SGR J1935+2154 emitted hundreds of short bursts and became one of the most prolific transient magnetars. At the onset of the active bursting period, a 130 s burst "forest," which included some bursts with peculiar time prof
Externí odkaz:
http://arxiv.org/abs/2106.14172
Autor:
Gogus, Ersin, Baring, Matthew G., Kouveliotou, Chryssa, Guver, Tolga, Lin, Lin, Roberts, Oliver J., Younes, George, Kaneko, Yuki, van der Horst, Alexander J.
We present detailed spectral and temporal characteristics of the persistent X-ray emission of SGR J1935+2154 based on our XMM-Newton and Chandra observations taken in the aftermath of its April 2020 burst storm, during which hundreds of energetic X-r
Externí odkaz:
http://arxiv.org/abs/2012.01871
Autor:
Kaneko, Yuki1 (AUTHOR), Miyato, Hideyo1 (AUTHOR), Tojo, Mineyuki1 (AUTHOR), Futoh, Yurie1 (AUTHOR), Takahashi, Kazuya1 (AUTHOR), Kimura, Yuki1 (AUTHOR), Saito, Akira1 (AUTHOR), Ohzawa, Hideyuki2 (AUTHOR), Yamaguchi, Hironori2 (AUTHOR), Sata, Naohiro1 (AUTHOR), Kitayama, Joji1 (AUTHOR) kitayama@jichi.ac.jp, Hosoya, Yoshinori1 (AUTHOR)
Publikováno v:
Scientific Reports. 2/24/2024, Vol. 14 Issue 1, p1-12. 12p.
Autor:
Lin, Lin, Gogus, Ersin, Roberts, Oliver J., Baring, Matthew G., Kouveliotou, Chryssa, Kaneko, Yuki, van der Horst, Alexander J., Younes, George
We present temporal and time-integrated spectral analyses of 148 bursts from the latest activation of SGR J1935+2154, observed with Fermi/GBM from October 4th 2019 through May 20th 2020, excluding a ~130 s segment with a very high burst density on Ap
Externí odkaz:
http://arxiv.org/abs/2010.02767
Autor:
Lin, Lin, Gogus, Ersin, Roberts, Oliver J., Kouveliotou, Chryssa, Kaneko, Yuki, van der Horst, Alexander J., Younes, George
Publikováno v:
2020, ApJ, 893, 156
We present timing and time-integrated spectral analysis of 127 bursts from SGR J1935+2154. These bursts were observed with the Gamma-ray Burst Monitor on the Fermi Gamma-ray Space Telescope and the Burst Alert Telescope on the Neil Gehrels Swift Obse
Externí odkaz:
http://arxiv.org/abs/2003.10582
Akademický článek
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Publikováno v:
In Journal de mathématiques pures et appliquées October 2023 178:1-45