32 citations · 188 across the 34 of their papers we have counts for
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Feasibility study of upper atmosphere density measurement on the ISS by observations of the CXB transmitted through the Earth rim
Takumi Kishimoto, Kumiko K. Nobukawa, Ayaki Takeda +11
Measurements of the upper atmosphere at ~100 km are important to investigate climate change, space weather forecasting, and the interaction between the Sun and the Earth. Atmospher…
SUIM project: measuring the upper atmosphere from the ISS by observations of the CXB transmitted through the Earth rim
Kumiko K. Nobukawa, Ayaki Takeda, Satoru Katsuda +16
The upper atmosphere at the altitude of 60-110 km, the mesosphere and lower thermosphere (MLT), has the least observational data of all atmospheres due to the difficulties of in-si…
Evaluation of the X-ray SOI pixel detector with the on-chip ADC
Hiroumi Matsuhashi, Kouichi Hagino, Aya Bamba +16
XRPIX is the monolithic X-ray SOI (silicon-on-insulator) pixel detector, which has a time resolution better than 10 s as well as a high detection efficiency for X-rays above…
Design study and spectroscopic performance of SOI pixel detector with a pinned depleted diode structure for X-ray astronomy
Masataka Yukumoto, Koji Mori, Ayaki Takeda +14
We have been developing silicon-on-insulator (SOI) pixel detectors with a pinned depleted diode (PDD) structure, named "XRPIX", for X-ray astronomy. The PDD structure is formed in…