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Origin of the complex iron line structure and spectral variation in Mrk 766
Yuto Mochizuki, Misaki Mizumoto, Ken Ebisawa
Complex Fe-K emission/absorption line features are commonly observed in the 6--11 keV band from Active Galactic Nuclei (AGN). These features are formed in various physical componen…
Radiatively-driven clumpy X-ray absorbers in the NLS1 galaxy IRAS 13224-3809
Takuya Midooka, Misaki Mizumoto, Ken Ebisawa
Recent radiation-magnetohydrodynamic simulations of active galactic nuclei predict the presence of the disk winds, which may get unstable and turn into fragmented clumps far from t…
Charge-Sign Dependent Cosmic-Ray Modulation Observed with the Calorimetric Electron Telescope on the International Space Station
O. Adriani, Y. Akaike, K. Asano +77
We present the observation of a charge-sign dependent solar modulation of galactic cosmic rays (GCRs) with the CALorimetric Electron Telescope onboard the International Space Stati…
Direct Measurement of the Cosmic-Ray Helium Spectrum from 40 GeV to 250 TeV with the Calorimetric Electron Telescope on the International Space Station
O. Adriani, Y. Akaike, K. Asano +77
We present the results of a direct measurement of the cosmic-ray helium spectrum with the CALET instrument in operation on the International Space Station since 2015. The observati…
X-ray time lag evaluation of MAXI J1820+070 with a differential cross-correlation analysis
Tomoki Omama, Masahiro Tsujimoto, Ken Ebisawa +1
MAXI J1820070 is a transient black hole binary (BHB) discovered on 2018 March 11. The unprecedented rich statistics brought by the NICER X-ray telescope allows detailed timing a…