Accès ouvert
2026
article
OpenAlex
M. Arimoto, Akihiro Doi, Hatsune Goto, Shuichi Gunji et autres
HiZ-GUNDAM is a candidate mission for JAXA’s competitive M-class program and aims to revolutionize our understanding of the high-redshift universe and to advance multimessenger astronomy. By combining a highly sensitive wide-field X-ray monitor, a near-infrared telescope, and an autonomous spacecraft slewing capability, …
jp, us
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Accès ouvert
2025
article
OpenAlex
Daisuke Yonetoku, Akihiro Doi, T. Mihara, Hideo Matsuhara et autres
HiZ-GUNDAM is a candidate for JAXA’s competitive medium-class mission program, with its concept approved by ISAS/JAXA in 2018. This proposed satellite aims to play a leading role in time-domain astronomy in the 2030s by pursuing two primary scientific goals: (1) probing the …
jp, us, tw, cn, rs, de
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Accès ouvert
2024
conference-paper
OpenAlex
Daisuke Yonetoku, Akihiro Doi, T. Mihara, Hideo Matsuhara et autres
HiZ-GUNDAM is a future satellite mission whose mission concept was approved by ISAS/JAXA, and it is one of the future satellite candidates of JAXA’s competitive medium-class mission. HiZ-GUNDAM will lead time-domain astronomy in 2030s, and its key sciences are (1) exploration of …
jp
(code pays fourni par la source)
2024
conference-paper
OpenAlex
Satoshi Sugita, Kenya Ogasawara, Riki Seida, Tomoki Kawada et autres
We have developed one-dimensional X-ray optics for the kind of scan-type detector like the Gas Slit Camera (GSC) onboard MAXI. GSC consists of gas proportional counters with slat collimators and has the sensitivity of order of 10 mCrab by an orbit (92 …
jp
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Accès ouvert
2023
conference-paper
OpenAlex
M. Mori, O. Adriani, Yosui Akaike, Katsuaki Asano et autres
The CALorimetric Electron Telescope (CALET) cosmic ray detector on the International Space Station (ISS) has been in operation since its launch in 2015. The main instrument, the CALorimeter (CAL), is optimized to observe high-energy electrons up to TeV energies, but its three-storied, …
jp, us
(code pays fourni par la source)
Accès ouvert
2023
conference-paper
OpenAlex
Holger Motz, O. Adriani, Yosui Akaike, Katsuaki Asano et autres
The ISS-based Calorimetric Electron Telescope (CALET) is directly measuring the energy spectrum of electron+positron cosmic rays up to 20 TeV. Annihilation or decay of dark matter (DM) could produce signatures in the positron and electron cosmic-ray spectra, thus the parameter space of …
jp
(code pays fourni par la source)
Accès ouvert
2023
conference-paper
OpenAlex
Shoko Miyake, O. Adriani, Katsuaki Asano, Yoichi Aaoka et autres
We present the solar modulation of electrons and protons observed by the CALorimetric Electron Telescope onboard the International Space Station for about 7 years since October 2015, during the transition phase from the descending phase of the 24th solar cycle to the …
jp
(code pays fourni par la source)
Accès ouvert
2023
conference-paper
OpenAlex
Yosui Akaike, O. Adriani, Katsuaki Asano, Yoichi Aaoka et autres
The CALorimetric Electron Telescope (CALET) has been collecting data on the International Space Station for more than seven years since October 2015. CALET is an all-calorimetric instrument with a total vertical thickness of 30 radiation lengths and fine imaging capability, optimized for …
jp, it
(code pays fourni par la source)
Accès ouvert
2023
conference-paper
OpenAlex
M. Mattiazzi, O. Adriani, Yosui Akaike, Katsuaki Asano et autres
In this work, we present a feasibility study aiming at a measurement of the cosmic ray (CR) helium flux utilizing CALET data with a significantly enhanced statistical precision. It is based on a wider geometrical acceptance compared to the current CALET analysis …
it
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Accès ouvert
2023
conference-paper
OpenAlex
C. Checchia, O. Adriani, Yosui Akaike, Katsuaki Asano et autres
The study of flux ratios of cosmic-ray primary elements is of particular interest not only to assess the relative abundance of each element, but also to gain a deeper understanding of their propagation in the galaxy. High energy cosmic ray data are …
it
(code pays fourni par la source)
Accès ouvert
2023
conference-paper
OpenAlex
F. Stolzi, O. Adriani, Yosui Akaike, Katsuaki Asano et autres
The study of the spectral behavior of heavy cosmic-ray elements may shed light on the details of propagation and acceleration phenomena in our Galaxy. The CALorimetric Electron Telescope (CALET) is measuring the spectra of heavy nuclei up to the highest directly observed …
it, jp
(code pays fourni par la source)
Accès ouvert
2023
conference-paper
OpenAlex
Wolfgang V Zober, B. F. Rauch, O. Adriani, Yosui Akaike et autres
The Calorimetric Electron Telescope (CALET), launched to the ISS in August 2015 and in continuous operation since, measures cosmic-ray (CR) electrons, nuclei, and gamma rays. CALET, with its 27 radiation length deep Total Absorption Calorimeter (TASC), measures particle energy, allowing for the …
us
(code pays fourni par la source)