Yoh Takei

发表

Vibration isolation system for cryocoolers of Soft X-ray Spectrometer (SXS) onboard ASTRO-H (Hitomi)

Ryuichi Fujimoto, Kosei Ishimura, Yoh Takei, 2016, Astronomical Telescopes + Instrumentation.

The ASTRO-H (Hitomi) x-ray astronomy satellite

Yoshiharu Namba, Ryuichi Fujimoto, Hideyuki Mori, 2016, Astronomical Telescopes + Instrumentation.

Thermal Condition of ASTRO-H under Air-cooled Environment before Launch

Yoh Takei, Taku Nonomura, Kazuhisa Mitsuda, 2014 .

Cryogen-free operation of the Soft X-ray Spectrometer instrument

Ryuichi Fujimoto, Yoshitaka Ishisaki, Yoh Takei, 2018 .

Status of the Diffuse Intergalactic Oxygen Surveyor (DIOS)

Yoh Takei, Yuichiro Ezoe, Kazuhisa Mitsuda, 2012, Other Conferences.

Concept of the X-ray Astronomy Recovery Mission

Matteo Guainazzi, Ryuichi Fujimoto, Hideyuki Mori, 2018, Astronomical Telescopes + Instrumentation.

The high-resolution x-ray microcalorimeter spectrometer system for the SXS on ASTRO-H

Ryuichi Fujimoto, Yoshitaka Ishisaki, Jan-Willem den Herder, 2010, Astronomical Telescopes + Instrumentation.

Thermal analyses for initial operations of the Soft X-Ray Spectrometer (SXS) onboard ASTRO-H

Ryuichi Fujimoto, Yoshitaka Ishisaki, Yoh Takei, 2016, Astronomical Telescopes + Instrumentation.

Cryogen-free operation of the Soft X-ray Spectrometer instrument

Ryuichi Fujimoto, Yoshitaka Ishisaki, Yoh Takei, 2016, Astronomical Telescopes + Instrumentation.

Design and on-orbit operation of the adiabatic demagnetization refrigerator on the Hitomi Soft X-ray Spectrometer instrument

Ryuichi Fujimoto, Yoh Takei, Seiji Yoshida, 2016, Astronomical Telescopes + Instrumentation.

DIOS: the diffuse intergalactic oxygen surveyor: status and prospects

Manabu Ishida, Yoh Takei, Akihiro Furuzawa, 2010, Astronomical Telescopes + Instrumentation.

The x-ray microcalorimeter on the NeXT mission

Ryuichi Fujimoto, Yoshitaka Ishisaki, Jan-Willem den Herder, 2008, Astronomical Telescopes + Instrumentation.

Ground calibration of the Astro-H (Hitomi) soft x-ray spectrometer

Ryuichi Fujimoto, Yoshitaka Ishisaki, Jan-Willem den Herder, 2018 .

Status of x-ray imaging and spectroscopy mission (XRISM)

Matteo Guainazzi, Ryuichi Fujimoto, Ryo Iizuka, 2020, Astronomical Telescopes + Instrumentation.

In-orbit operation of the soft x-ray spectrometer onboard the Hitomi satellite

Ryuichi Fujimoto, Yoshitaka Ishisaki, Jan-Willem den Herder, 2017 .

Hitomi (ASTRO-H) X-ray Astronomy Satellite

Matteo Guainazzi, Ryuichi Fujimoto, Hideyuki Mori, 2018 .

Design, implementation, and performance of the Astro-H soft x-ray spectrometer aperture assembly and blocking filters

Ryuichi Fujimoto, Yoh Takei, Seiji Yoshida, 2018 .

In-orbit operation of the ASTRO-H SXS

Ryuichi Fujimoto, Yoshitaka Ishisaki, Masahide Murakami, 2016, Astronomical Telescopes + Instrumentation.

Cooling system for the soft x-ray spectrometer (SXS) onboard ASTRO-H

Ryuichi Fujimoto, Yoshitaka Ishisaki, Masahide Murakami, 2010, Astronomical Telescopes + Instrumentation.

Design and on-orbit operation of the soft x-ray spectrometer adiabatic demagnetization refrigerator on the Hitomi observatory

Ryuichi Fujimoto, Yoh Takei, Seiji Yoshida, 2018, Journal of astronomical telescopes, instruments, and systems.

The ASTRO-H X-ray astronomy satellite

Yoshiharu Namba, Matteo Guainazzi, Ryuichi Fujimoto, 2014, Astronomical Telescopes and Instrumentation.

The Astro-H high resolution soft x-ray spectrometer

Ryuichi Fujimoto, Yoshitaka Ishisaki, Jan-Willem den Herder, 2016, Astronomical Telescopes + Instrumentation.

Frequency Domain Multiplexing of TES Signals by Magnetic Field Summation

Yoh Takei, Kazuhisa Mitsuda, Noriko Y. Yamasaki, 2006, IEICE Trans. Electron..

Ground based test verification of a nonlinear vibration isolation system for cryocoolers of the Soft X-ray Spectrometer (SXS) onboard ASTRO-H (Hitomi)

Kosei Ishimura, Yoh Takei, Paul Wilke, 2017, 2017 IEEE Aerospace Conference.

Present performance of a single pixel Ti/Au bilayer TES calorimeter

Ryuichi Fujimoto, Yoshitaka Ishisaki, Yoh Takei, 2003, SPIE Astronomical Telescopes + Instrumentation.

Three-Dimensionally Assembled TES X-ray Microcalorimeter Arrays for a TEM EDS System

Yoh Takei, Naoko Iyomoto, Akira Takano, 2015, IEICE Trans. Electron..

In-flight verification of the calibration and performance of the ASTRO-H (Hitomi) Soft X-ray Spectrometer

Matteo Guainazzi, Ryuichi Fujimoto, Hideyuki Mori, 2018 .

In-flight performance of the soft x-ray spectrometer detector system on Astro-H

Ryuichi Fujimoto, Yoshitaka Ishisaki, Yoh Takei, 2018 .

The ASTRO-H Mission

Yoshiharu Namba, Ryuichi Fujimoto, Hideyuki Mori, 2009, Astronomical Telescopes + Instrumentation.

Performance of the helium dewar and cryocoolers of ASTRO-H SXS

Ryuichi Fujimoto, Yoshitaka Ishisaki, Yoh Takei, 2016, Astronomical Telescopes + Instrumentation.

Performance of the helium dewar and the cryocoolers of the Hitomi soft x-ray spectrometer

Ryuichi Fujimoto, Yoshitaka Ishisaki, Yoh Takei, 2017 .

The design, implementation, and performance of the Astro-H SXS aperture assembly and blocking filters

Ryuichi Fujimoto, Yoh Takei, Seiji Yoshida, 2016, Astronomical Telescopes + Instrumentation.

Thermal analyses for initial operations of the soft x-ray spectrometer onboard the Hitomi satellite

Ryuichi Fujimoto, Yoshitaka Ishisaki, Yoh Takei, 2017 .

In-flight verification of the calibration and performance of the ASTRO-H (Hitomi) Soft X-Ray Spectrometer

Matteo Guainazzi, Ryuichi Fujimoto, Hideyuki Mori, 2016, Astronomical Telescopes + Instrumentation.

Soft x-ray spectrometer (SXS): the high-resolution cryogenic spectrometer onboard ASTRO-H

Ryuichi Fujimoto, Yoshitaka Ishisaki, Jan-Willem den Herder, 2014, Astronomical Telescopes and Instrumentation.

Vibration isolation system for cryocoolers of soft x-ray spectrometer on-board ASTRO-H (Hitomi)

Ryuichi Fujimoto, Kosei Ishimura, Yoh Takei, 2018 .

In-flight performance of the Soft X-ray Spectrometer detector system on Astro-H

Ryuichi Fujimoto, Yoshitaka Ishisaki, Yoh Takei, 2016, Astronomical Telescopes + Instrumentation.

Multipixel readout of TES calorimeters

Ryuichi Fujimoto, Yoshitaka Ishisaki, Yoh Takei, 2003, SPIE Astronomical Telescopes + Instrumentation.

EURECA: a European-Japanese microcalorimeter array

Yoshitaka Ishisaki, Dietmar Drung, Maria Teresa Ceballos, 2006, Astronomical Telescopes + Instrumentation.

Development of a Digital Signal Processing System for the X‐ray Microcalorimeter onboard ASTRO‐H

Yoh Takei, Kazuhisa Mitsuda, Masahiro Tsujimoto, 2009 .

An analog baseband feedback circuit for TES signals in frequency domain multiplexing

Ryuichi Fujimoto, Yoshitaka Ishisaki, Yoh Takei, 2008, Astronomical Telescopes + Instrumentation.

Performance of Frequency Division Multiplexing Readout System for AC-Biased Transition-Edge Sensor X-ray Microcalorimeters

Yoh Takei, Kazuhisa Mitsuda, Kazuhiro Sakai, 2014 .

Frequency-domain multiplexing of TES microcalorimeter array with CABBAGE

Ryuichi Fujimoto, Yoshitaka Ishisaki, Yoh Takei, 2004 .

Evidence for Solar-Wind Charge-Exchange X-Ray Emission from the Earth's Magnetosheath(Chapter 4. Warm and Hot IntraGalactic Medium, The Extreme Universe in the Suzaku Era)

Ryuichi Fujimoto, Yoshitaka Ishisaki, Yoh Takei, 2006, astro-ph/0609308.

Performance Measurement of the 8-Input SQUIDs for TES Frequency Domain Multiplexing

Ryuichi Fujimoto, Yoh Takei, Kazuhisa Mitsuda, 2008 .

Cryogen free cooling of ASTRO-H SXS Helium Dewar from 300 K to 4 K

Yoh Takei, Yoichi Sato, Seiji Yoshida, 2017 .

In-orbit performance of a helium dewar for the soft X-ray spectrometer onboard ASTRO-H

Ryuichi Fujimoto, Yoh Takei, Yoichi Sato, 2018 .

Operation of an ADR using helium exchange gas as a substitute for a failed heat switch

Ryuichi Fujimoto, Yoh Takei, Seiji Yoshida, 2014 .

Hitomi observations of the LMC SNR N 132 D: Highly redshifted X-ray emission from iron ejecta

Matteo Guainazzi, Ryuichi Fujimoto, Hideyuki Mori, 2017, 1712.02365.

Hitomi X-ray studies of Giant Radio Pulses from the Crab pulsar.

Matteo Guainazzi, Ryuichi Fujimoto, Hideyuki Mori, 2017, Publications of the Astronomical Society of Japan. Nihon Tenmon Gakkai.

Baseband Feedback Frequency-Division Multiplexing with Low-Power dc-SQUIDs and Digital Electronics for TES X-Ray Microcalorimeters

Yoh Takei, Kazuhisa Mitsuda, Shuichi Nagasawa, 2014 .

O and Ne K Absorption Edge Structures and Interstellar Abundance toward Cygnus X-2

Ryuichi Fujimoto, Yoh Takei, Kazuhisa Mitsuda, 2002 .

Flight model performance test results of a helium dewar for the soft X-ray spectrometer onboard ASTRO-H

Ryuichi Fujimoto, Yoh Takei, Yoichi Sato, 2016 .

Analysis of the Suzaku/XRS background

Ryuichi Fujimoto, Yoshitaka Ishisaki, Enectali Figueroa-Feliciano, 2006 .

High Sensitive X-ray Microcalorimeter Using Bi–Au Microabsorber for Imaging Applications

Ryuichi Fujimoto, Yoshitaka Ishisaki, Tetsuya Osaka, 2004 .

The Suzaku High Resolution X-Ray Spectrometer

Ryuichi Fujimoto, Manabu Ishida, Yoshitaka Ishisaki, 2007 .

Glimpse of the highly obscured HMXB IGR J16318−4848 with Hitomi

Matteo Guainazzi, Ryuichi Fujimoto, Hideyuki Mori, 2017, 1711.07727.

Hitomi X-ray observation of the pulsar wind nebula G21.5−0.9

Matteo Guainazzi, Ryuichi Fujimoto, Hideyuki Mori, 2018, 1802.05068.

Evaluation of In-Orbit Thermal Performance of X-Ray Astronomy Satellite "Hitomi"

Yoh Takei, Motohide Kokubun, Naoko Iwata, 2017 .

Cooling system for the Resolve onboard XRISM

Ryuichi Fujimoto, Yoshitaka Ishisaki, Yoh Takei, 2020 .

Hitomi Observation of Radio Galaxy NGC 1275: The First X-ray Microcalorimeter Spectroscopy of Fe-K{\alpha} Line Emission from an Active Galactic Nucleus

Matteo Guainazzi, Ryuichi Fujimoto, Hideyuki Mori, 2017, 1711.06289.

Development status of the mechanical cryocoolers for the Soft X-ray Spectrometer on board Astro-H

Ryuichi Fujimoto, Masahide Murakami, Yoh Takei, 2014 .

Fabrication of multi-pixel TES microcalorimeters with an electrodeposited Sn absorber and Bi absorber

Ryuichi Fujimoto, Yoshitaka Ishisaki, Tetsuya Osaka, 2004 .

Atomic data and spectral modeling constraints from high-resolution X-ray observations of the Perseus cluster with Hitomi

Matteo Guainazzi, Ryuichi Fujimoto, Hideyuki Mori, 2017, 1712.05407.

Characterisation of a TES-Based X-ray Microcalorimeter in the Energy Range from 150 to 1800 eV Using an Adiabatic Demagnetisation Refrigerator

Marcel Bruijn, Yoh Takei, Henk van Weers, 2008 .

Status of X-ray microcalorimeter development at ISAS

Yoshitaka Ishisaki, Tetsuya Osaka, Yoh Takei, 2001 .

Design of frequency domain multiplexing of TES signals by multi-input SQUIDs

Yoh Takei, Kazuhisa Mitsuda, Satoshi Nakayama, 2006 .

TEM-EDS with Breakthroughs in 3D Wiring and High-Speed Processing

Yoh Takei, Naoko Iyomoto, Kazuhisa Mitsuda, 2012 .

Society of Photo-Optical Instrumentation Engineers (SPIE) Conference Series

Paolo Conconi, M. Feroci, P. Giommi, 2012 .

Detection of polarized gamma-ray emission from the Crab nebula with the Hitomi Soft Gamma-ray Detector†

Matteo Guainazzi, Ryuichi Fujimoto, Hideyuki Mori, 2018, Publications of the Astronomical Society of Japan.

The X‐Ray Microcalorimeter Spectrometer for the International X‐Ray Observatory

Ryuichi Fujimoto, Yoshitaka Ishisaki, Simon R. Bandler, 2009 .

Fabrication of an X-ray microcalorimeter with an electrodeposited X-ray microabsorber

Yoshitaka Ishisaki, Tetsuya Osaka, Yoh Takei, 2002 .

Performance analyses of TES microcalorimeters with mushroom shaped X-ray absorbers made of Sn or Bi

Ryuichi Fujimoto, Yoshitaka Ishisaki, Tetsuya Osaka, 2004 .

STUDYING THE WARM-HOT INTERGALACTIC MEDIUM IN EMISSION

Luigi Piro, Massimiliano Galeazzi, Yoh Takei, 2010, Monthly Notices of the Royal Astronomical Society.

SQUID multiplexing using baseband feedback for space application of transition-edge sensor microcalorimeters

Yoh Takei, Kazuhisa Mitsuda, Noriko Y. Yamasaki, 2009 .

Radiation Tolerance Evaluation of the Ti/Au Bilayer TES Microcalorimeter

Yoshitaka Ishisaki, Yoh Takei, Yuichiro Ezoe, 2014 .

Characterization of a High-Performance Ti/Au TES Microcalorimeter with a Central Cu Absorber

Yoh Takei, Marcel P. Bruijn, Luciano Gottardi, 2008 .

TiAu-based micro-calorimeters for space applications

Yoh Takei, M. P. Bruijn, M. L. Ridder, 2009 .

Evaluation of 256-pixel TES microcalorimeter arrays with electrodeposited Bi absorbers

Ryuichi Fujimoto, Yoshitaka Ishisaki, Yoh Takei, 2006 .

STUDYING THE WARM HOT INTERGALACTIC MEDIUM WITH GAMMA-RAY BURSTS

Luigi Piro, Massimiliano Galeazzi, Yoh Takei, 2009 .

DUAL STAGE ISOLATION – A PASSIVE BI-LINEAR APPLICATION FOR LAUNCH LOAD ATTENUATION AND ON-ORBIT JITTER MITIGATION

Kosei Ishimura, Yoh Takei, Paul Wilke, 2017 .

Locating the warm-hot intergalactic medium in the simulated local universe

Ryuichi Fujimoto, Manabu Ishida, Yoshitaka Ishisaki, 2004, astro-ph/0408140.

Performance of a bridge-type TES microcalorimeter, excess noise characteristics and dependence of sensitivity on current

Ryuichi Fujimoto, Yoshitaka Ishisaki, Yoh Takei, 2004 .

Impedance measurement and excess‐noise behavior of a Ti/Au bilayer TES calorimeter

Yoshitaka Ishisaki, Ryutaro Maeda, Yoh Takei, 2009 .

Search for thermal X-ray features from the Crab nebula with the Hitomi soft X-ray spectrometer

Matteo Guainazzi, Ryuichi Fujimoto, Hideyuki Mori, 2017, 1707.00054.

Atmospheric gas dynamics in the Perseus cluster observed with Hitomi

Matteo Guainazzi, Ryuichi Fujimoto, Hideyuki Mori, 2017, 1711.00240.

Development of mechanical cryocoolers for the cooling system of the Soft X-ray Spectrometer onboard Astro-H

Ryuichi Fujimoto, Masahide Murakami, Yoh Takei, 2012 .

The High-Resolution X-Ray Microcalorimeter Spectrometer, SXS, on Astro-H

Ryuichi Fujimoto, Yoshitaka Ishisaki, Masahide Murakami, 2012 .

TRACING BRIGHT AND DARK SIDES OF THE UNIVERSE WITH X-RAY OBSERVATIONS

Ryuichi Fujimoto, Manabu Ishida, Yoshitaka Ishisaki, 2004 .

Status of resolve instrument for x-ray astronomy recovery mission (Conference Presentation)

Ryuichi Fujimoto, Hideyuki Mori, Ryo Iizuka, 2018, Space Telescopes and Instrumentation 2018: Ultraviolet to Gamma Ray.

Energy spectra of the soft X-ray diffuse emission in fourteen fields observed with Suzaku

Ryuichi Fujimoto, Yoh Takei, Dan McCammon, 2009, 0903.2981.

Measurements of resonant scattering in the Perseus Cluster core with Hitomi SXS

Matteo Guainazzi, Ryuichi Fujimoto, Hideyuki Mori, 2017, 1710.04648.

Temperature Structure in the Perseus Cluster Core Observed with Hitomi

Matteo Guainazzi, Ryuichi Fujimoto, Hideyuki Mori, 2017, 1712.06612.

The Hot and Energetic Universe: A White Paper presenting the science theme motivating the Athena+ mission

Joern Wilms, Didier Barret, Luigi Piro, 2013 .

Solar abundance ratios of the iron-peak elements in the Perseus cluster

Matteo Guainazzi, Ryuichi Fujimoto, Hideyuki Mori, 2017, Nature.

The quiescent intracluster medium in the core of the Perseus cluster

Matteo Guainazzi, Ryuichi Fujimoto, Hideyuki Mori, 2016, Nature.

Frequency-domain multiplex with eight-input SQUID and readout electronics over 1MHz

Yoh Takei, Kazuhisa Mitsuda, Hirokazu Ikeda, 2006 .

In-flight calibration of Hitomi Soft X-ray Spectrometer. (1) Background

Ryuichi Fujimoto, Yoshitaka Ishisaki, Yoh Takei, 2018 .