activity
20182026
most citedSpatially resolved study of the SS 433/W50 west region with Chandra: X-ray structure and spectral variation of non-thermal emission

12 citations · 42 across the 12 of their papers we have counts for

collaborators

12 papers

astro-ph.HE2026

Discovery of CO Clouds Associated with the X-ray Jets of SS 433: Evidence for Shock-Cloud Interaction Enhancing Nonthermal X-ray Emission

Haruka Sakemi, Hidetoshi Sano, Yasuo Fukui +7

We report the first identification of molecular clumps directly associated with the re-brightening regions of the large-scale X-ray jets of SS 433, based on CO ( = 1--0)…

astro-ph.HE2025★ 1 cited

The first proper motion measurement of the acceleration regions in the large-scale jets of SS 433 powering the W50 nebula

Naomi Tsuji, Yoshiyuki Inoue, Dmitry Khangulyan +10

We report on new Chandra ACIS-I observations of the X-ray knots located in the western and eastern lobes of W50 associated with the parsec-scale jets of the Galactic microquasar SS…

astro-ph.HE2025

X-ray Study on Propagation of Non-thermal Particles in Microquasar SS 433/W 50 Extended Jets

Kazuho Kayama, Takaaki Tanaka, Hiroyuki Uchida +5

SS 433, located at the center of the W 50 radio nebula, is a binary system that ejects jets oriented east-west with precessional motion. X-ray lobes, containing compact "knots" lab…

astro-ph.IM2022

ISAI: Investigating Solar Axion by Iron-57

Tomonori Ikeda, Toshihiro Fujii, Takeshi Go Tsuru +9

The existence of the axion is a unique solution for the strong CP problem, and the axion is one of the most promising candidates of the dark matter. Investigating Solar Axion by Ir…

astro-ph.IM2022★ 3 cited

Single Event Tolerance of X-ray SOI Pixel Sensors

Kouichi Hagino, Mitsuki Hayashida, Takayoshi Kohmura +19

We evaluate the single event tolerance of the X-ray silicon-on-insulator (SOI) pixel sensor named XRPIX, developed for the future X-ray astronomical satellite FORCE. In this work,…

astro-ph.HE2022★ 12 cited

Spatially resolved study of the SS 433/W50 west region with Chandra: X-ray structure and spectral variation of non-thermal emission

Kazuho Kayama, Takaaki Tanaka, Hiroyuki Uchida +6

The X-ray binary SS 433, embedded in the W50 nebula (or supernova remnant W50), shows bipolar jets that are ejected with mildly relativistic velocities, and extend toward the east…

astro-ph.IM2022★ 2 cited

X-ray Radiation Damage Effects on Double-SOI Pixel Detectors for the Future Astronomical Satellite "FORCE"

Masatoshi Kitajima, Kouichi Hagino, Takayoshi Kohmura +20

We have been developing the monolithic active pixel detector "XRPIX" onboard the future X-ray astronomical satellite "FORCE". XRPIX is composed of CMOS pixel circuits, SiO2 insulat…

astro-ph.IM2021★ 4 cited

Proton radiation hardness of X-ray SOI pixel sensors with pinned depleted diode structure

Mitsuki Hayashida, Kouichi Hagino, Takayoshi Kohmura +19

X-ray SOI pixel sensors, "XRPIX", are being developed for the next-generation X-ray astronomical satellite, "FORCE". The XRPIX are fabricated with the SOI technology, which makes i…

astro-ph.IM2020★ 8 cited

Low-Energy X-ray Performance of SOI Pixel Sensors for Astronomy, "XRPIX"

Ryota Kodama, Takeshi Go Tsuru, Takaaki Tanaka +17

We have been developing a new type of X-ray pixel sensors, "XRPIX", allowing us to perform imaging spectroscopy in the wide energy band of 1-20 keV for the future Japanese X-ray sa…

physics.ins-det2020★ 8 cited

Radiation Damage Effects on Double-SOI Pixel Sensors for X-ray Astronomy

Kouichi Hagino, Keigo Yarita, Kousuke Negishi +19

The X-ray SOI pixel sensor onboard the FORCE satellite will be placed in the low earth orbit and will consequently suffer from the radiation effects mainly caused by geomagneticall…

astro-ph.IM2019★ 4 cited

Measurement of Charge Cloud Size in X-ray SOI Pixel Sensors

Kouichi Hagino, Kenji Oono, Kousuke Negishi +20

We report on a measurement of the size of charge clouds produced by X-ray photons in X-ray SOI (Silicon-On-Insulator) pixel sensor named XRPIX. We carry out a beam scanning experim…

astro-ph.IM2018

Performance of SOI Pixel Sensors Developed for X-ray Astronomy

Takaaki Tanaka, Takeshi Go Tsuru, Hiroyuki Uchida +24

We have been developing monolithic active pixel sensors for X-rays based on the silicon-on-insulator technology. Our device consists of a low-resistivity Si layer for readout CMOS…