Masahiro Tsujimoto (Ph.D.) - astrophysicist

Publications

Below is the complete list of refereed publications.
2025 2024 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 2008 2007 2006 2005 2004 2003 2002 2001 2000 1999

2025

• [160] Chlorine and potassium enrichment in the Cassiopeia A supernova remnant
  XRISM collaboration & Audard, Marc & Awaki, Hisamitsu & Ballhausen, Ralf & Bamba, Aya & Behar, Ehud & Boissay-Malaquin, Rozenn & Brenneman, Laura & Brown, Gregory V. et al., 2025, Nat Astron, None, 0
• [159] The 2025 Release of Cloudy
  Gunasekera, Chamani M. & van Hoof, Peter A. M. & Dehghanian, Maryam & Chakraborty, Priyanka & Shaw, Gargi & Bianchi, Stefano & Chatzikos, Marios & Tsujimoto, Masahiro & Ferlet al., 2025, Revista Mexicana de Astronom\'ia y Astrof\'isica, 61, 120-133
• [158] Resolve instrument onboard the X-Ray Imaging and Spectroscopy Mission
  Kelley, Richard L. & Ishisaki, Yoshitaka & Costantini, Elisa & Awaki, Hisamitsu & Balleza, Jesus C. & Barnstable, Kim R. & Bialas, Thomas G. & Boissay-Malaquin, Rozenn & Brown, Gregory V. et al., 2025, JATIS, 11, 042026
• [157] XRISM view of a stellar flare: High-resolution Fe K spectra of HR~1099, an RS CVn-type star
  Kurihara, Miki & Tsujimoto, Masahiro & Loewenstein, Michael & Maeda, Yoshitomo & Audard, Marc & Behar, Ehud & Eckart, Megan E & Foster, Adam & Gu, Liyi et al., 2025, PASJ, None, psaf124
• [156] In-orbit selection of cryocooler drive frequencies for XRISM/Resolve
  Sneiderman, Gary A. & Scott Porter, F. & Chiao, Meng P. & Kilbourne, Caroline A. & Tsujimoto, Mashiro, 2025, JATIS, 11, 0
• [155] Comparing XRISM Cluster Velocity Dispersions with Predictions from Cosmological Simulations: Are Feedback Models Too Ejective?
  Collaboration, \relax XRISM & Audard, Marc & Awaki, Hisamitsu & Ballhausen, Ralf & Bamba, Aya & Behar, Ehud & Boissay-Malaquin, Rozenn & Brenneman, Laura & Brown, Gregory V. et al., 2025, ApJL, 993, L11
• [154] In-flight performance of the XRISM/Resolve detector system
  Porter, Frederick S. & Kilbourne, Caroline A. & Chiao, Meng & Cumbee, Renata & Eckart, Megan E. & Fujimoto, Ryuichi & Ishisaki, Yoshitaka & Kanemaru, Yoshiaki & Kelley, Richard L. et al., 2025, JATIS, 11, 0
• [153] Strategies for the in-orbit gain tracking using the modulated X-ray sources for the Resolve microcalorimeter spectrometer on the X-ray Imaging and Spectroscopy Mission
  Sawada, Makoto & Cumbee, Renata S. & de Vries, Cor P. & Eckart, Megan E. & Fujimoto, Ryuichi & Ishisaki, Yoshitaka & Kilbourne, Caroline A. & Kitamoto, Shunji & Leutenegger, Maurice Andrew et al., 2025, JATIS, 11, 042019
• [152] Core line spread function calibration of the X-ray Imaging and Spectroscopy Mission Resolve X-ray calorimeter spectrometer
  Leutenegger, Maurice A. & Brown, Gregory V. & Chiao, Meng P. & Cumbee, Renata S. & Eckart, Megan E. & Fujimoto, Ryuichi & Hell, Natalie & Hoshino, Akio & Ishisaki, Yoshitaka et al., 2025, JATIS, 11, 0
• [151] Benchmark of the Fe "\textsc"xxv $\mathmit"R"$ ratio in photoionized plasma during eclipse of Centaurus X-3 with XRISM/Resolve
  Mochizuki, Yuto & Tsujimoto, Masahiro & Leutenegger, Maurice A & Gu, Liyi & Ballhausen, Ralf & Behar, Ehud & Draghis, Paul A & Hell, Natalie & Pradhan, Pragatiet al., 2025, PASJ, None, psaf098
• [150] X-Ray Imaging and Spectroscopy Mission
  Tashiro, Makoto & Kelley, Richard & Watanabe, Shin & Maejima, Hironori & Reichenthal, Lillian & Toda, Kenichi & Hartz, Leslie & Santovincenzo, Andrea & Matsushita, Kyoko et al., 2025, PASJ, 77, S1-S9
• [149] Stratified wind from a super-Eddington X-ray binary is slower than expected
  XRISM collaboration & Audard, Marc & Awaki, Hisamitsu & Ballhausen, Ralf & Bamba, Aya & Behar, Ehud & Boissay-Malaquin, Rozenn & Brenneman, Laura & Brown, Gregory V. et al., 2025, Nature, None, 0
• [148] Resolve instrument onboard XRISM: design, integration, and instrument test results
  Ishisaki, Yoshitaka & Kelley, Richard L. & Awaki, Hisamitsu & Balleza, Jesus C. & Barnstable, Kim R. & Bialas, Thomas G. & Boissay-Malaquin, Rozenn & Brown, Gregory V. & Canavan, Edgar R. et al., 2025, JATIS, 11, 042023
• [147] Initial in-orbit operation of the soft X-ray spectrometer Resolve onboard the X-ray imaging and spectroscopy mission satellite
  Maeda, Yoshitomo & Fujimoto, Ryuichi & Awaki, Hisamitsu & Balleza, Jesus C. & Barnstable, Kim R. & Bialas, Thomas G. & Boissay-Malaquin, Rozenn & Brown, Gregory V. & Canavan, Edgar R. et al., 2025, JATIS, 11, 042014
• [146] In-orbit operation of Resolve Filter Wheel and modulated X-ray source
  Shipman, Russell F. & Kitamoto, Shunji & Wolfs, Rob & Costantini, Elisa & Eckart, Megan E. & Ferrigno, Carlo & Genolet, Ludovic & Gorter, Nathalie & Grim, Martin et al., 2025, JATIS, 11, 0
• [145] Thermal and kinematic properties of ejecta in SN1987A revealed by XRISM
  XRISM collaboration & Audard, Marc & Awaki, Hisamitsu & Ballhausen, Ralf & Bamba, Aya & Behar, Ehud & Boissay-Malaquin, Rozenn & Brenneman, Laura & Brown, Gregory V et al., 2025, PASJ, None, psaf056
• [144] Pre- and post-launch operation of the Resolve soft X-ray spectrometer onboard the XRISM satellite
  Sato, Kosuke & Ishisaki, Yoshitaka & Kelley, Richard L. & Awaki, Hisamitsu & Balleza, Jesus C. & Barnstable, Kim R. & Bialas, Thomas G. & Boissay-Malaquin, Rozenn & Brown, Gregory V. et al., 2025, JATIS, 11, 042020
• [143] Spectroscopic diagnostics of high-temperature plasma in stellar coronae using Fe "\textsc"xxiv -- "\textsc"xxiv K-shell lines with XRISM
  Kurihara, Miki & Tsujimoto, Masahiro & Audard, Marc & Behar, Ehud & Gu, Liyi & Hamaguchi, Kenji & Hell, Natalie & Kilbourne, Caroline A & Maeda, Yoshitomo et al., 2025, PASJ, None, psaf045
• [142] Structured ionized winds shooting out from a quasar at relativistic speeds
  XRISM collaboration & Audard, Marc & Awaki, Hisamitsu & Ballhausen, Ralf & Bamba, Aya & Behar, Ehud & Boissay-Malaquin, Rozenn & Brenneman, Laura & Brown, Gregory V. et al., 2025, Nature, 641, 1132-1136
• [141] Outflowing photoionized plasma in Circinus X-1 using the high-resolution X-ray spectrometer Resolve onboard XRISM and the radiative transfer code cloudy
  Tsujimoto, Masahiro & Enoto, Teruaki & D\'iaz Trigo, Mar\'ia & Hell, Natalie & Chakraborty, Priyanka & Leutenegger, Maurice A & Loewenstein, Michael & Pradhan, Pragati & Shidatsu, Megumi et al., 2025, PASJ, None, psaf022
• [140] High-count rate effects in event processing for XRISM/Resolve X-ray microcalorimeter: I. Ground test
  Mizumoto, Misaki & Tamba, Tsubasa & Tsujimoto, Masahiro & Cumbee, Renata S. & Eckart, Megan E. & Hodges-Kluck, Edmund & Ishisaki, Yoshitaka & Kilbourne, Caroline A. & Leutenegger, Maurice A. et al., 2025, JATIS, 11, 042005
• [139] Optimization of X-ray event screening using ground and in-orbit data for the Resolve instrument onboard the XRISM satellite
  Mochizuki, Yuto & Tsujimoto, Masahiro & Kilbourne, Caroline A. & Eckart, Megan E. & Ishisaki, Yoshitaka & Kanemaru, Yoshiaki & Leutenegger, Maurice A. & Mizumoto, Misaki & Porter, Frederick S. et al., 2025, JATIS, 11, 042002
• [138] XRISM Reveals Low Nonthermal Pressure in the Core of the Hot, Relaxed Galaxy Cluster A2029
  XRISM collaboration & Audard, Marc & Awaki, Hisamitsu & Ballhausen, Ralf & Bamba, Aya & Behar, Ehud & Boissay-Malaquin, Rozenn & Brenneman, Laura & Brown, Gregory V. et al., 2025, ApJL, 982, L5
• [137] New insights with XRISM and Cloudy: A novel column density diagnostic
  Gunasekera, Chamani M. & van Hoof, Peter A. M. & Tsujimoto, Masahiro & Ferland, Gary J., 2025, A\&A, 694, L13
• [136] Overionized plasma in the supernova remnant Sagittarius A East anchored by XRISM observations
  XRISM collaboration & Audard, Marc & Awaki, Hisamitsu & Ballhausen, Ralf & Bamba, Aya & Behar, Ehud & Boissay-Malaquin, Rozenn & Brenneman, Laura & Brown, Gregory V et al., 2025, PASJ, 77, L1-L8
• [135] The bulk motion of gas in the core of the Centaurus galaxy cluster
  XRISM collaboration & Audard, Marc & Awaki, Hisamitsu & Ballhausen, Ralf & Bamba, Aya & Behar, Ehud & Boissay-Malaquin, Rozenn & Brenneman, Laura & Brown, Gregory V. et al., 2025, Nature, 638, 365-369
• [134] XRISM Constraints on Unidentified X-Ray Emission Lines, Including the 3.5 keV Line, in the Stacked Spectrum of 10 Galaxy Clusters
  Collaboration, \relax XRISM & Audard, Marc & Awaki, Hisamitsu & Ballhausen, Ralf & Bamba, Aya & Behar, Ehud & Boissay-Malaquin, Rozenn & Brenneman, Laura & Brown, Gregory V. et al., 2025, ApJL, 994, L28
• [133] Kinematic Evidence for Bipolar Ejecta Flows in the Galactic Supernova Remnant W49B
  XRISM collaboration & Audard, M & Awaki, H. & Ballhausen, R. & Bamba, Aya & Behar, Ehud & Boissay-Malaquin, R. & Brenneman, L. & Brown, G. V. et al., 2025, ApJL, 988, L58

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2024

• [132] Detection of the Orbital Modulation of Fe K$\alpha$ Fluorescence Emission in Centaurus X-3 Using the High-resolution Spectrometer Resolve on board XRISM
  Mochizuki, Yuto & Tsujimoto, Masahiro & Kelley, Richard L. & Vander Meulen, Bert & Enoto, Teruaki & Nagai, Yutaro & Done, Chris & Pradhan, Pragati et al., 2024, ApJL, 977, L21
• [131] The XRISM first-light observation: Velocity structure and thermal properties of the supernova remnant N\,132D
  XRISM Collaboration & Audard, Marc & Awaki, Hisamitsu & Ballhausen, Ralf & Bamba, Aya & Behar, Ehud & Boissay-Malaquin, Rozenn & Brenneman, Laura & Brown, Gregory V et al., 2024, PASJ, None, psae080
• [130] XRISM Spectroscopy of the Fe K$\alpha$ Emission Line in the Seyfert Active Galactic Nucleus NGC 4151 Reveals the Disk, Broad-line Region, and Torus
  XRISM Collaboration & Audard, Marc & Awaki, Hisamitsu & Ballhausen, Ralf & Bamba, Aya & Behar, Ehud & Boissay-Malaquin, Rozenn & Brenneman, Laura & Brown, Gregory V. et al., 2024, ApJL, 973, L25
• [129] Intrinsic line profiles for X-ray fluorescent lines in SKIRT
  Vander Meulen, Bert & Camps, Peter & Tsujimoto, Masahiro & Wada, Keiichi, 2024, A\&A, 688, L33
• [128] High-velocity Blue-shifted Fe xxv He$\alpha$ Line during a Superflare of the RS Canum Venaticorum--type Star IM Peg
  Inoue, Shun & Iwakiri, Wataru Buz & Enoto, Teruaki & Uchida, Hiroyuki & Kurihara, Miki & Tsujimoto, Masahiro & Notsu, Yuta & Hamaguchi, Kenji & Gendreau, Keith et al., 2024, ApJL, 969, L12
• [127] JASMINE: Near-infrared astrometry and time-series photometry science
  Kawata, Daisuke & Kawahara, Hajime & Gouda, Naoteru & Secrest, Nathan J & Kano, Ryouhei & Kataza, Hirokazu & Isobe, Naoki & Ohsawa, Ryou & Usui, Fumihiko et al., 2024, PASJ, 76, 386-425
• [126] Investigation of Nonequilibrium Ionization Plasma during a Giant Flare of UX Arietis Triggered with MAXI and Observed with NICER
  Kurihara, Miki & Iwakiri, Wataru Buz & Tsujimoto, Masahiro & Ebisawa, Ken & Toriumi, Shin & Imada, Shinsuke & Tsuboi, Yohko & Usui, Kazuki & Gendreau, Keith C. et al., 2024, ApJ, 965, 135
• [125] "Development of the machine learning-based anomaly detection algorithms for the low-temperature detector onboard the XRISM satellite"
  Kashiwazaki, Miu & Tsujimoto, Masahiro, 2024, JSSIJ, JAXA-RR-23-007, 45-55
• [124] Spectral Modeling of the Supersoft X-Ray Source CAL87 Based on Radiative Transfer Codes
  Tsujimoto, Masahiro & Mizumoto, Misaki & Ebisawa, Ken & Odaka, Hirokazu & Wada, Qazuya, 2024, ApJ, 960, 46
• [123] The XRISM/Resolve View of the Fe K Region of Cyg X-3
  XRISM Collaboration & Audard, Marc & Awaki, Hisamitsu & Ballhausen, Ralf & Bamba, Aya & Behar, Ehud & Boissay-Malaquin, Rozenn & Brenneman, Laura & Brown, Gregory V. et al., 2024, ApJL, 977, L34

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2023

• [122] Ground test results of the microvibration interference for the x-ray microcalorimeter onboard x-ray imaging and spectroscopy mission
  Hasebe, Takashi & Imamura, Ryuta & Tsujimoto, Masahiro & Awaki, Hisamitsu & Chiao, Meng P. & Fujimoto, Ryuichi & Hartz, Leslie S. & Kilbourne, Caroline A. & Sneiderman, Gary A. et al., 2023, JATIS, 9, 014003
• [121] Ground test results of the electromagnetic interference for the x-ray microcalorimeter onboard XRISM
  Kurihara, Miki & Tsujimoto, Masahiro & Eckart, Megan E. & Kilbourne, Caroline A. & Matsuda, Frederick T. & McLaughlin, Brian J. & Oguri, Shugo & Porter, Frederick S. & Takei, Yoh et al., 2023, JATIS, 9, 018004
• [120] X-ray Time Lag Evaluation of MAXI J1820+070 with a Differential Cross-correlation Analysis
  Omama, Tomoki & Tsujimoto, Masahiro & Ebisawa, Ken & Mizumoto, Misaki, 2023, ApJ, 945, 92
• [119] "Development of the data monitor system of the Resolve instrument onboard the XRISM satellite"
  Tsujimoto, Masahiro, 2023, JSSIJ, JAXA-RR-22-009, 1-6
• [118] Mechanical Cryocooler Noise Observed in the Ground Testing of the Resolve X-ray Microcalorimeter Onboard XRISM
  Imamura, R. & Awaki, H. & Tsujimoto, M. & Yamada, S. & Porter, F. S. & Kilbourne, C. A. & Kelley, R. L. & Takei, Y. & the XRISM Resolve teamet al., 2023, JLTP, None, 0
• [117] X-Ray Spectral Variations of Circinus X-1 Observed with NICER throughout an Entire Orbital Cycle
  Tominaga, Mayu & Tsujimoto, Masahiro & Ebisawa, Ken & Enoto, Teruaki & Hayasaki, Kimitake, 2023, ApJ, 958, 52

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2022

• [116] Sensitivity Modeling for LiteBIRD
  Hasebe, T. & Ade, P. A. R. & Adler, A. & Allys, E. & Alonso, D. & Arnold, K. & Auguste, D. & Aumont, J. & Aurlien, R. et al., 2022, JLTP, None, 0
• [115] Optical Characterization of OMT-Coupled TES Bolometers for LiteBIRD
  Hubmayr, J. & Ade, P. A. R. & Adler, A. & Allys, E. & Alonso, D. & Arnold, K. & Auguste, D. & Aumont, J. & Aurlien, R. et al., 2022, JLTP, 209, 396-408
• [114] Assessment of the RFI by the X-Band Antenna in LiteBIRD Using a 3D Electromagnetic Field Simulator
  Tsuji, M. & Tsujimoto, M. & Sekimoto, Y. & Dotani, T. & Shiraishi, M. & on behalf of the LiteBIRD collaboration, 2022, JLTP, None, 0
• [113] Probing Cosmic Inflation with the LiteBIRD Cosmic Microwave Background Polarization Survey
  LiteBIRD Collaboration & Allys, E & Arnold, K & Aumont, J & Aurlien, R & Azzoni, S & Baccigalupi, C & Banday, A J et al., 2022, PTEP, None, ptac150
• [112] Design of the On-Board Data Compression for the Bolometer Data of LiteBIRD
  Tominaga, Mayu & Tsujimoto, Masahiro & Smecher, Graeme & Ishino, Hirokazu & LiteBIRD Joint study group, 2022, JLTP, None, 0
• [111] Deep near-infrared imaging observation of the faint X-ray point sources constituting the Galactic bulge X-ray emission
  Morihana, Kumiko & Tsujimoto, Masahiro & Ebisawa, Ken & Gandhi, Poshak, 2022, PASJ, None, 0
• [110] X-ray and optical spectroscopic study of a "$\gamma$" Cassiopeiae analog source "$\pi$" Aquarii
  Tsujimoto, Masahiro & Hayashi, Takayuki & Morihana, Kumiko & Moritani, Yuki, 2022, PASJ, 00, 0

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2021

• [109] Simulations of systematic effects arising from cosmic rays in the LiteBIRD space telescope, and effects on the measurements of CMB B-modes
  Stever, S.L. & Ghigna, T. & Tominaga, M. & Puglisi, G. & Tsujimoto, M. & Marazzini, M. Zeccoli & Baratto, M. & Tomasi, M. & Minami, Y. et al., 2021, JCAP, 2021, 013
• [108] X-ray transmission calibration of the gate valve for the x-ray astronomy satellite XRISM
  Midooka, Takuya & Tsujimoto, Masahiro & Kitamoto, Shunji & Nakaniwa, Nozomi & Maeda, Yoshitomo & Ishida, Manabu & Ebisawa, Ken & Tominaga, Mayu, 2021, JATIS, 7, 0

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2020

• [107] Cooling system for the Resolve onboard XRISM
  Ezoe, Yuichiro & Ishisaki, Yoshitaka & Fujimoto, Ryuichi & Takei, Yoh & Horiuchi, Takafumi & Tsujimoto, Masahiro & Ishikawa, Kumi & Yasuda, Susumu & Yanagase, Keiichi et al., 2020, Cryogenics, 108, 103016
• [106] Updated Design of the CMB Polarization Experiment Satellite LiteBIRD
  Sugai, H. & Ade, P. A.R. & Akiba, Y. & Alonso, D. & Arnold, K. & Aumont, J. & Austermann, J. & Baccigalupi, C. & Bet al., 2020, JLTP, 199, 1107-1117

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2019

• [105] LiteBIRD: A Satellite for the Studies of B-Mode Polarization and Inflation from Cosmic Background Radiation Detection
  Hazumi, M. & Ade, P. A.R. & Akiba, Y. & Alonso, D. & Arnold, K. & Aumont, J. & Baccigalupi, C. & Barron, D. & Basak, S. et al., 2019, JLTP, 194, 443-452
• [104] X-ray reverberation lags of the Fe--K line due to AGN disc winds
  Mizumoto, Misaki & Ebisawa, Ken & Tsujimoto, Masahiro & Done, Chris & Hagino, Kouichi & Odaka, Hirokazu, 2019, MNRAS, 482, 5316-5326

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2018

• [103] Detection of polarized gamma-ray emission from the Crab nebula with the Hitomi Soft Gamma-ray Detector
  Hitomi Collaboration, 2018, PASJ, 70, 0
• [102] Concept Study of Optical Configurations for High-Frequency Telescope for LiteBIRD
  Hasebe, T. & Kashima, S. & Ade, P. A.R. & Akiba, Y. & Alonso, D. & Arnold, K. & Aumont, J. & Baccigalupi, C. & Barron, D. et al., 2018, JLTP, 193, 841-850
• [101] Resolve Instrument on X-ray Astronomy Recovery Mission (XARM)
  Ishisaki, Y. & Ezoe, Y. & Yamada, S. & Ichinohe, Y. & Fujimoto, R. & Takei, Y. & Yasuda, S. & Ishida, M. & Yamasaki, N. Y. et al., 2018, JLTP, 193, 991-995
• [100] The LiteBIRD Satellite Mission: Sub-Kelvin Instrument
  Suzuki, A. & Ade, P. A.R. & Akiba, Y. & Alonso, D. & Arnold, K. & Aumont, J. & Baccigalupi, C. & Barron, D. & Basak, S. et al., 2018, JLTP, 193, 1048-1056
• [99] Suzaku and NuSTAR X-ray spectroscopy of "$\gamma$"\,Cassiopeiae and HD\,110432
  Tsujimoto, Masahiro & Morihana, Kumiko & Hayashi, Takayuki & Kitaguchi, Takao, 2018, PASJ, 70, 109
• [98] In-Orbit Performance of the Digital Electronics for the X-Ray Microcalorimeter Onboard the Hitomi Satellite
  Tsujimoto, M. & Tashiro, M. S. & Ishisaki, Y. & Yamada, S. & Seta, H. & Mitsuda, K. & Boyce, K. R. & Eckart, M. E. & Kilbourne, C. A. et al., 2018, JLTP, 193, 505-511
• [97] Ground calibration of the Astro-H (Hitomi) soft x-ray spectrometer
  Eckart, Megan E. & Adams, Joseph S. & Boyce, Kevin R. & Brown, Gregory V. & Chiao, Meng P. & Fujimoto, Ryuichi & Haas, Daniel & den Herder, Jan-Willem & Hoshino, Akio et al., 2018, JATIS, 4, 1
• [96] X-ray short-time lags in the Fe-K energy band produced by scattering clouds in active galactic nuclei
  Mizumoto, Misaki & Done, Chris & Hagino, Kouichi & Ebisawa, Ken & Tsujimoto, Masahiro & Odaka, Hirokazu, 2018, MNRAS, 478, 971-982
• [95] Hitomi X-ray observation of the pulsar wind nebula G21.5-0.9
  Hitomi Collaboration, 2018, PASJ, 70, 0
• [94] Can the relativistic light-bending model explain X-ray spectral variations of Seyfert galaxies?
  Mizumoto, Misaki & Moriyama, Kotaro & Ebisawa, Ken & Mineshige, Shin & Kawanaka, Norita & Tsujimoto, Masahiro, 2018, PASJ, 70, 42-43
• [93] Cryogen-free operation of the Soft X-ray Spectrometer instrument
  Sneiderman, Gary A. & Shirron, Peter J. & Fujimoto, Ryuichi & Bialas, Thomas G. & Boyce, Kevin R. & Chiao, Meng P. & DiPirro, Michael J & Eckart, Megan E. & Hartz, Leslie et al., 2018, JATIS, 4, 1
• [92] Atmospheric gas dynamics in the Perseus cluster observed with Hitomi*
  Hitomi Collaboration, 2018, PASJ, 70, 0
• [91] Temperature structure in the Perseus cluster core observed with Hitomi
  Hitomi Collaboration, 2018, PASJ, 70, 0
• [90] Measurements of resonant scattering in the Perseus Cluster core with Hitomi SXS
  Hitomi Collaboration, 2018, PASJ, 70, 0
• [89] Atomic data and spectral modeling constraints from high-resolution X-ray observations of the Perseus cluster with Hitomi
  Hitomi Collaboration, 2018, PASJ, 70, 0
• [88] Glimpse of the highly obscured HMXB IGR J16318-4848 with Hitomi
  Hitomi Collaboration, 2018, PASJ, 70, 0
• [87] Hitomi observations of the LMC SNR N 132 D: Highly redshifted X-ray emission from iron ejecta
  Hitomi Collaboration, 2018, PASJ, 70, 0
• [86] Hitomi X-ray studies of giant radio pulses from the Crab pulsar
  Hitomi Collaboration, 2018, PASJ, 70, 0
• [85] Search for thermal X-ray features from the Crab nebula with the Hitomi soft X-ray spectrometer*
  Hitomi Collaboration, 2018, PASJ, 70, 0
• [84] Hitomi observation of radio galaxy NGC\,1275: The first X-ray microcalorimeter spectroscopy of Fe-K$\alpha$ line emission from an active galactic nucleus*
  Aharonian, Felix, Hitomi Collaboration & Akamatsu, Hiroki & Akimoto, Fumie & Allen, Steven W & Angelini, Lorella & Audard, Marc & Awaki, Hisamitsu & Axelsson, Magnus & Bamba, Aya et al., 2018, PASJ, 70, 13
• [83] In-flight calibration of Hitomi Soft X-ray Spectrometer. (1) Background
  Kilbourne, Caroline A & Sawada, Makoto & Tsujimoto, Masahiro & Angellini, Lorella & Boyce, Kevin R & Eckart, Megan E & Fujimoto, Ryuichi & Ishisaki, Yoshitaka & Kelley, Richard L et al., 2018, PASJ, 70, 18
• [82] In-flight verification of the calibration and performance of the ASTRO-H (Hitomi) Soft X-ray Spectrometer
  Leutenegger, Maurice A. & Audard, Marc & Boyce, Kevin R. & Brown, Gregory V. & Chiao, Meng P. & Eckart, Megan E. & Fujimoto, Ryuichi & Furuzawa, Akihiro & Guainazzi, Matteo et al., 2018, JATIS, 4, 1
• [81] In-flight calibration of the Hitomi Soft X-ray Spectrometer. (2) Point spread function
  Maeda, Yoshitomo & Sato, Toshiki & Hayashi, Takayuki & Iizuka, Ryo & Angelini, Lorella & Asai, Ryota & Furuzawa, Akihiro & Kelley, Richard & Koyama, Shu et al., 2018, PASJ, 70, 0
• [80] Hitomi (ASTRO-H) X-ray Astronomy Satellite
  Takahashi, Tadayuki & Kokubun, Motohide & Mitsuda, Kazuhisa & Kelley, Richard L. & Ohashi, Takaya & Aharonian, Felix & Akamatsu, Hiroki & Akimoto, Fumie & Allen, Steven W. et al., 2018, JATIS, 4, 1
• [79] In-flight calibration of Hitomi Soft X-ray Spectrometer. (3) Effective area
  Tsujimoto, Masahiro & Okajima, Takashi & Eckart, Megan E. & Hayashi, Takayuki & Hoshino, Akio & Iizuka, Ryo & Kelley, Richard L. & Kilbourne, Caroline A. & Leutenegger, Maurice A. et al., 2018, PASJ, 70, 0
• [78] In-flight performance of the soft x-ray spectrometer detector system on Astro-H
  Porter, Frederick S. & Boyce, Kevin R. & Chiao, Meng P. & Eckart, Megan E. & Fujimoto, Ryuichi & Ishisaki, Yoshitaka & Kilbourne, Caroline Anne & Leutenegger, Maurice A. & McCammon, Danielet al., 2018, JATIS, 4, 1
• [77] In-flight performance of pulse-processing system of the ASTRO-H/Hitomi soft x-ray spectrometer
  Ishisaki, Yoshitaka & Yamada, Shinya & Seta, Hiromi & Tashiro, Makoto S. & Takeda, Sawako & Terada, Yukikatsu & Kato, Yuka & Tsujimoto, Masahiro & Koyama, Shu et al., 2018, JATIS, 4, 011217

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2017

• [76] Performance of the helium dewar and the cryocoolers of the Hitomi soft x-ray spectrometer
  Fujimoto, Ryuichi & Takei, Yoh & Mitsuda, Kazuhisa & Yamasaki, Noriko Y. & Tsujimoto, Masahiro & Koyama, Shu & Ishikawa, Kumi & Sugita, Hiroyuki & Sato, Yoichi et al., 2017, JATIS, 4, 1
• [75] Solar abundance ratios of the iron-peak elements in the Perseus cluster
  Hitomi Collaboration, 2017, Nature, 551, 478-480
• [74] In-orbit operation of the soft x-ray spectrometer onboard the Hitomi satellite
  Tsujimoto, Masahiro & Mitsuda, Kazuhisa & Kelley, Richard L. & den Herder, Jan-Willem & Bialas, Thomas G. & Boyce, Kevin R. & Chiao, Meng P. & de Vries, Cor P., 2017, JATIS, 4, 1
• [73] Calibration sources and filters of the soft x-ray spectrometer instrument on the Hitomi spacecraft
  de Vries, Cor P. & Haas, Daniel & Yamasaki, Noriko Y. & den Herder, Jan-Willem & Paltani, Stephane & Kilbourne, Caroline & Tsujimoto, Masahiro & Eckart, Megan E. & Leutenegger, Maurice A.et al., 2017, JATIS, 4, 1
• [72] Hitomi Constraints on the 3.5 keV Line in the Perseus Galaxy Cluster
  Hitomi Collaboration, 2017, ApJL, 837, L15
• [71] A systematic X-ray study of the dwarf novae observed with Suzaku
  Wada, Qazuya & Tsujimoto, Masahiro & Ebisawa, Ken & Hayashi, Takayuki, 2017, PASJ, 69, 10

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2016

• [70] Calibration of the microcalorimeter spectrometer on-board the Hitomi (Astro-H) observatory (invited)
  Eckart, M. E. & Boyce, K. R. & Brown, G. V. & Chiao, M. P. & Fujimoto, R. & Haas, D. & den Herder, J.-W. & Ishisaki, Y. & Kelley, R. L. et al., 2016, Rev. Sci. Instrum., 87, 11D503
• [69] Near-infrared spectroscopy of faint discrete X-ray point sources constituting the Galactic ridge X-ray emission
  Morihana, Kumiko & Tsujimoto, Masahiro & Dubath, Pierre & Yoshida, Tessei & Suzuki, Kensuke & Ebisawa, Ken, 2016, PASJ, 68, 57
• [68] The quiescent intracluster medium in the core of the Perseus cluster
  Hitomi Collaboration, 2016, Nature, 535, 117-121
• [67] Temporal Gain Correction for X-ray Calorimeter Spectrometers
  Porter, F. S. & Chiao, M. P. & Eckart, M. E. & Fujimoto, R. & Ishisaki, Y. & Kelley, R. L. & Kilbourne, C. A. & Leutenegger, M. A. & McCammon, D. et al., 2016, JLTP, 184, 498-504
• [66] Origin of the X-ray broad iron spectral feature in GRS 1915+105
  Mizumoto, Misaki & Ebisawa, Ken & Tsujimoto, Masahiro & Inoue, Hajime, 2016, PASJ, 68, 16-17

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2015

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2014

• [65] NGC 7538: Multiwavelength study of stellar cluster regions associated with IRS 1-3 and IRS 9 sources
  Mallick, K. K. & Ojha, D. K. & Tamura, M. & Pandey, A. K. & Dib, S. & Ghosh, S. K. & Sunada, K. & Zinchenko, I. et al., 2014, MNRAS, 443, 3218-3237
• [64] X-ray development of the classical nova V2672 Ophiuchi with Suzaku
  Takei, Dai & Tsujimoto, Masahiro & Drake, Jeremy J. & Kitamoto, Shunji, 2014, PASJ, 66, 37

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2013

• [63] X-ray eclipse diagnosis of the evolving mass loss in the recurrent nova U Scorpii 2010
  Takei, D. & Drake, J. J. & Tsujimoto, M. & Ness, J. U. & Osborne, J. P. & Starrfield, S. & Kitamoto, S., 2013, ApJL, 769, L4
• [62] Detection of a 522 s pulsation from the transient X-ray source suzaku J0102.8-7204 (SXP 523) in the small magellanic cloud
  Wada, Qazuya & Tsujimoto, Masahiro & Ebisawa, Ken & Miller, Eric D., 2013, PASJ, 65, L2
• [61] X-RAY POINT-SOURCE POPULATIONS CONSTITUTING THE GALACTIC RIDGE X-RAY EMISSION
  Morihana, Kumiko & Tsujimoto, Masahiro & Yoshida, Tessei & Ebisawa, Ken, 2013, ApJ, 766, 14

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2012

• [60] Suzaku X-ray observation of the dwarf nova Z camelopardalis at the onset of an optical outburst
  Saitou, Kei & Tsujimoto, Masahiro & Ebisawa, Ken & Ishida, Manabu, 2012, PASJ, 64, 88
• [59] The high-resolution X-ray microcalorimeter spectrometer, SXS, on astro-H
  Mitsuda, Kazuhisa & Kelley, Richard L. & Boyce, Kevin R. & Brown, Gregory V. & Costantini, Elisa & Di Pirro, Michael J. & Ezoe, Yuichiro & Fujimoto, Ryuichi & Gendreau, Keith C. et al., 2012, JLTP, 167, 795-802
• [58] Development of a digital signal processing system for the X-ray microcalorimeter onboard ASTRO-H (II)
  Shimoda, Y. & Seta, H. & Tashiro, M. S. & Terada, Y. & Ishisaki, Y. & Tsujimoto, M. & Mitsuda, K. & Yasuda, T. & Takeda, S. et al., 2012, JLTP, 167, 575-581
• [57] Data-oriented diagnostics of pileup effects on the suzaku XIS
  Yamada, Shin'ya & Uchiyama, Hideki & Dotani, Tadayasu & Tsujimoto, Masahiro & Katsuda, Satoru & Makishima, Kazuo & Takahashi, Hiromitsu & Noda, Hirofumi & Torii, Shunsuke et al., 2012, PASJ, 64, 531-5312
• [56] The digital processing system for the soft X-ray spectrometer onboard ASTRO-H the design and the performance
  Seta, H. & Tashiro, M. S. & Ishisaki, Y. & Tsujimoto, M. & Shimoda, Y. & Abe, Y. & Yasuda, T. & Takeda, S. & Asahina, M. et al., 2012, IEEE, 59, 366-372
• [55] ORIGIN: Metal creation and evolution from the cosmic dawn
  den Herder, Jan Willem & Piro, Luigi & Ohashi, Takaya & Kouveliotou, Chryssa & Hartmann, Dieter H. & Kaastra, Jelle S. & Amati, L. & Andersen, M. I. & Arnaud, M. et al., 2012, Exp Astron, 34, 519-549

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2011

• [54] Cross spectral calibration of Suzaku, XMM-Newton, and Chandra with PKS 2155-304 as an activity of IACHEC
  Ishida, Manabu & Tsujimoto, Masahiro & Kohmura, Takayoshi & Stuhlinger, Martin & Smith, Michael & Marshall, Herman L. & Guainazzi, Matteo & Kawai, Kohei & Ogawa, Taikiet al., 2011, PASJ, 63, S657-S668
• [53] Near-infrared and X-ray observations of XSS J12270-4859
  Saitou, Kei & Tsujimoto, Masahiro & Ebisawa, Ken & Ishida, Manabu & Mukai, Koji & Nagayama, Takahiro & Nishiyama, Shogo & Gandhi, Poshaket al., 2011, PASJ, 63, S759-S769
• [52] X-ray study of rekindled accretion in the classical nova V2491 Cygni
  Takei, Dai & Ness, Jan Uwe & Tsujimoto, Masahiro & Kitamoto, Shunji & Drake, Jeremy J. & Osborne, Julian P. & Takahashi, Hiromitsu & Kinugasa, Kenzo, 2011, PASJ, 63, S729-S738
• [51] Cross-calibration of the X-ray instruments onboard the Chandra, INTEGRAL, RXTE, Suzaku, Swift, and XMM- Newton observatories using G21.5-0.9
  Tsujimoto, M. & Guainazzi, M. & Plucinsky, P. P. & Beardmore, A. P. & Ishida, M. & Natalucci, L. & Posson-Brown, J. L.L. & Read, A. M. & Saxton, R. D. et al., 2011, A\&A, 525, A25

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2010

• [50] On relativistic disk spectroscopy in compact objects with X-ray CCD cameras
  Miller, J. M. & D'A\`i, A. & Bautz, M. W. & Bhattacharyya, S. & Burrows, D. N. & Cackett, E. M. & Fabian, A. C. & Freyberg, M. J. & Haberl, F. et al., 2010, ApJ, 724, 1441-1455
• [49] Long-term spectral variations of ultraluminous X-ray sources in the interacting galaxy systems M 51 and NGC 4490/85
  Yoshida, Tessei & Ebisawa, Ken & Matsushita, Kyoko & Tsujimoto, Masahiro & Kawaguchi, Toshihiro, 2010, ApJ, 722, 760-773
• [48] Cooling system for the soft X-ray spectrometer onboard Astro-H
  Fujimoto, Ryuichi & others, 2010, Cryogenics, 50, 488-493

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2009

• [47] Suzaku X-ray study of an anomalous source XSS J12270-4859
  Saitou, Kei & Tsujimoto, Masahiro & Ebisawa, Ken & Manabu, Ishida, 2009, PASJ, 61, L13-L16
• [46] Super-hard x-ray emission from n carinae observed with suzaku
  Sekiguchi, Akiko & Tsujimoto, Masahiro & Kitamoto, Shunji & Ishida, Manabu & Hamaguchi, Kenji & Mori, Hideyuki & Tsuboi, Yohko, 2009, PASJ, 61, 629-637
• [45] Swift X-ray and ultraviolet monitoring of the classical nova V458 Vul (Nova Vul 2007)
  Ness, J. U. & Drake, J. J. & Beardmore, A. P. & Boyd, D. & Bode, M. F. & Brady, S. & Evans, P. A. & Gaensicke, B. T. & Kitamoto, S. et al., 2009, ApJ, 137, 4160-4168
• [44] Suzaku detection of superhard X-ray emission from the classical Nova V2491 Cygni
  Takei, D. & Tsujimoto, M. & Kitamoto, S. & Ness, J. U. & Drake, J. J. & Takahashi, H. & Mukai, K., 2009, ApJL, 697, L54-L57
• [43] X-Ray observations of the sagittarius d h ii region toward the galactic center with suzaku
  Sawada, Makoto & Tsujimoto, Masahiro & Koyama, Katsuji & Law, Casey J. & Tsuru, Takeshi Go & Hyodo, Yoshiaki, 2009, PASJ, 61, S209-S218
• [42] X-ray spectroscopy of the classical nova V458 Vulpeculae with Suzaku
  Tsujimoto, Masahiro & Takei, Dai & Drake, Jeremy J. & Ness, Jan Uwe & Kitamoto, Shunji, 2009, PASJ, 61, S69-S76

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2008

• [41] Spectral study of the galactic ridge X-ray emission with Suzaku
  Ebisawa, Ken & Yamauchi, Shigeo & Tanaka, Yasuo & Koyama, Katsuji & Ezoe, Yuichiro & Bamba, Aya & Kokubun, Motohide & Hyodo, Yoshiaki & Tsujimoto, Masahiro et al., 2008, PASJ, 60, S223-S229
• [40] Suzaku spectroscopy of extended X-ray emission in M17
  Hyodo, Yoshiaki & Tsujimoto, Masahiro & Hamaguchi, Kenji & Koyama, Katsuji & Kitamoto, Shunji & Maeda, Yoshitomo & Tsuboi, Yohko & Ezoe, Yuichiro, 2008, PASJ, 60, S85-S93
• [39] Suzaku X-ray spectroscopy of a peculiar hot star in the galactic center region
  Hyodo, Yoshiaki & Tsujimoto, Masahiro & Koyama, Katsuji & Nishiyama, Shogo & Nagata, Tetsuya & Sakon, Itsuki & Murakami, Hiroshi & Matsumoto, Hironori, 2008, PASJ, 60, S173-S181
• [38] Suzaku detection of an intense X-ray flare from an A-type star, HD 161084
  Miura, Junichiro & Tsujimoto, Masahiro & Tsuboi, Yohko & Maeda, Yoshitomo & Sugawara, Yasuharu & Koyama, Katsuji & Yamauchi, Shigeo, 2008, PASJ, 60, S49-S56
• [37] Detection of a rare supersoft outburst event during a Suzaku observation of 1E 0102.2-7219
  Takei, Dai & Tsujimoto, Masahiro & Kitamoto, Shunji & Morii, Mikio & Ebisawa, Ken & Maeda, Yoshitomo & Miller, Eric D., 2008, PASJ, 60, S231-S239
• [36] Oxygen line mapping of SN 1006 with Suzaku
  Bamba, Aya & Yamaguchi, Hiroya & Koyama, Katsuji & Hiraga, Junko S. & Holt, Steve & Hughes, John P. & Katagiri, Hideaki & Kataoka, Jun & Katsuda, Satoru et al., 2008, ASR, 41, 411-415

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2007

• [35] Near-Infrared Study of the Carina Nebula
  Sanchawala, Kaushar & Chen, Wen-Ping & Ojha, Devendra & Ghosh, Swarna Kanti & Nakajima, Yasushi & Tamura, Motohide & Baba, Daisuke & Sato, Shuji & Tsujimoto, Masahiroet al., 2007, ApJ, 667, 963-979
• [34] An X-Ray Imaging Study of the Stellar Population in RCW 49
  Tsujimoto, M. & Feigelson, E. D. & Townsley, L. K. & Broos, P. S. & Getman, K. V. & Wang, J. & Garmire, G. P. & Baba, D. & Nagayama, T. et al., 2007, ApJ, 665, 719-735
• [33] Molecular Hydrogen Emission from Protoplanetary Disks. II. Effects of X-Ray Irradiation and Dust Evolution
  Nomura, H. & Aikawa, Y. & Tsujimoto, M. & Nakagawa, Y. & Millar, T. J., 2007, ApJ, 661, 334-353
• [32] Suzaku observation of diffuse X-ray emission from the Carina Nebula
  Hamaguchi, Kenji & Petre, Robert & Matsumoto, Hironori & Tsujimoto, Masahiro & Holt, Stephen S. & Ezoe, Yuichiro & Ozawa, Hideki & Tsuboi, Yohko & Soong, Yang et al., 2007, PASJ, 59, S151-S161
• [31] X-Ray Imaging Spectrometer (XIS) on board Suzaku
  Koyama, Katsuji & Tsunemi, Hiroshi & Dotani, Tadayasu & Bautz, Mark W. & Hayashida, Kiyoshi & Tsuru, Takeshi Go & Matsumoto, Hironori & Ogawara, Yoshiaki & Ricker, George R. et al., 2007, PASJ, 59, S23-S33
• [30] The X-ray observatory Suzaku
  Mitsuda, Kazuhisa & Bautz, Mark & Inoue, Hajime & Kelley, Richard L. & Koyama, Katsuji & Kunieda, Hideyo & Makishima, Kazuo & Ogawara, Yoshiaki & Petre, Robert et al., 2007, PASJ, 59, S1-S7
• [29] Suzaku spectroscopic study of hard X-ray emission in the Arches cluster
  Tsujimoto, Masahiro & Hyodo, Yoshiaki & Koyama, Katsuji, 2007, PASJ, 59, S229-S235
• [28] An X-Ray Census of Young Stars in the Massive Southern Star-forming Complex NGC 6357
  Wang, Junfeng & Townsley, Leisa K. & Feigelson, Eric D. & Getman, Konstantin V. & Broos, Patrick S. & Garmire, Gordon P. & Tsujimoto, Masahiro, 2007, ApJS, 168, 100-127

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2006

• [27] Hard X-Rays from Ultracompact H ii Regions in W49A
  Tsujimoto, M. & Hosokawa, T. & Feigelson, E. D. & Getman, K. V. & Broos, P. S., 2006, ApJ, 653, 409-415
• [26] Chandra Study of the Cepheus B Star-forming Region: Stellar Populations and the Initial Mass Function
  Getman, Konstantin V. & Feigelson, Eric D. & Townsley, Leisa & Broos, Patrick & Garmire, Gordon & Tsujimoto, Masahiro, 2006, ApJS, 163, 306-334

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2005

• [25] Chandra Deep X-Ray Observation of a Typical Galactic Plane Region and Near-Infrared Identification
  Ebisawa, K. & Tsujimoto, M. & Paizis, A. & Hamaguchi, K. & Bamba, A. & Cutri, R. & Kaneda, H. & Maeda, Y. & Sato, G. et al., 2005, ApJ, 635, 214
• [24] X-Ray and Near-Infrared Studies of the Star-forming Cloud L1448
  Tsujimoto, M. & Kobayashi, N. & Tsuboi, Y., 2005, ApJ, 130, 2212-2219
• [23] Chandra Orion Ultradeep Project: Observations and Source Lists
  Getman, K. V. & Flaccomio, E. & Broos, P. S. & Grosso, N. & Tsujimoto, M. & Townsley, L. & Garmire, G. P. & Kastner, J. & Li, J. et al., 2005, ApJS, 160, 319-352
• [22] Iron Fluorescent Line Emission from Young Stellar Objects in the Orion Nebula
  Tsujimoto, M. & Feigelson, E. D. & Grosso, N. & Micela, G. & Tsuboi, Y. & Favata, F. & Shang, H. & Kastner, J. H., 2005, ApJS, 160, 503-510
• [21] A survey for Fe 6.4 keV emission in young stellar objects in "$\rho$" Oph: The strong fluorescence from Elias 29
  Favata, F. & Micela, G. & Silva, B. & Sciortino, S. & Tsujimoto, M., 2005, A\&A, 433, 1047-1054
• [20] FAST [Fe ii ] Wind with a Wide Opening Angle from L1551 IRS 5
  Pyo, Tae-Soo & Hayashi, Masahiko & Kobayashi, Naoto & Tokunaga, Alan T. & Terada, Hiroshi & Tsujimoto, Masahiro & Hayashi, Saeko S. & Usuda, Tomonori & Yamashita, Takuya et al., 2005, ApJ, 618, 817-821

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2004

• [19] A high-resolution very large array observation of a protostar in OMC-3: Shock-induced X-ray emission by a protostellar jet
  Tsujimoto, Masahiro & Koyama, Katsuji & Kobayashi, Naoto & Saito, Masao & Tsuboi, Yohko & Chandler, Claire J., 2004, PASJ, 56, 341-345
• [18] A hybrid X-ray imaging spectrometer for NeXT and the next generation X-ray satellite
  Tsuru, T. G. & Tanimori, T. & Bamba, A. & Imanishi, K. & Koyama, K. & Kubo, H. & Matsumoto, H. & Miuchi, K. & Nagayoshi, M. et al., 2004, ASR, 34, 2688-2690

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2003

• [17] A systematic study of X-ray flares from low-mass young stellar objects in the "$\rho$" ophiuchi star-forming region with Chandra
  Imanishi, Kensuke & Nakajima, Hiroshi & Tsujimoto, Masahiro & Koyama, Katsuji & Tsuboi, Yohko, 2003, PASJ, 55, 653-681
• [16] X-ray observation on the monoceros R2 star-forming region with the Chandra ACIS-I array
  Nakajima, Hiroshi & Imanishi, Kensuke & Takagi, Shin Ichiro & Koyama, Katsuji & Tsujimoto, Masahiro, 2003, PASJ, 55, 635-651
• [15] Review of discrete X-ray sources in the small magellanic cloud: Summary of the ASCA results and implication on the recent star-forming activity
  Yokogawa, Jun & Imanishi, Kensuke & Tsujimoto, Masahiro & Koyama, Katsuji & Nishiuchi, Mamiko, 2003, PASJ, 55, 161-189

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2002

• [14] A novel method to estimate the thickness of the depletion layer of an X-ray CCD
  Awaki, H. & Tachibana, K. & Tamai, Y. & Yamamoto, K. & Kitamoto, S. & Tsujimoto, M., 2002, NIM-A, 495, 232-239
• [13] X-Ray Study on the Evolution and Structure of Protostars
  Imanishi, Kensuke & Tsujimoto, Masahiro & Koyama, Katsuji, 2002, Butsuri, 57, 638-645
• [12] Deep Near-Infrared Observations of the X-Ray--emitting Class 0 Protostar Candidates in the Orion Molecular Cloud 3
  Tsujimoto, Masahiro & Koyama, Katsuji & Tsuboi, Yohko & Chartas, George & Goto, Miwa & Kobayashi, Naoto & Terada, Hiroshi & Tokunaga, A. T., 2002, ApJ, 573, 270-274
• [11] Chandra and ASCA Observations of the X-Ray--brightest T Tauri Stars in the "$\rho$" Ophiuchi Cloud
  Imanishi, Kensuke & Tsujimoto, Masahiro & Koyama, Katsuji, 2002, ApJ, 572, 300-309
• [10] X-Ray Properties of Young Stellar Objects in OMC-2 and OMC-3 from the Chandra X-Ray Observatory
  Tsujimoto, Masahiro & Koyama, Katsuji & Tsuboi, Yohko & Goto, Miwa & Kobayashi, Naoto, 2002, ApJ, 566, 974-981

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2001

• [9] X-Ray Detection from Bona Fide and Candidate Brown Dwarfs in the "$\rho$" Ophiuchi Cloud with Chandra
  Imanishi, Kensuke & Tsujimoto, Masahiro & Koyama, Katsuji, 2001, ApJ, 563, 361-366
• [8] ASCA Discovery of Diffuse 6.4 keV Emission near the Sagittarius C Complex: A New X-Ray Reflection Nebula
  Murakami, Hiroshi & Koyama, Katsuji & Tsujimoto, Masahiro & Maeda, Yoshitomo & Sakano, Masaaki, 2001, ApJ, 550, 297-300

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2000

• [7] A Study of the Populations of X-Ray Sources in the Small Magellanic Cloud with ASCA
  Yokogawa, Jun & Imanishi, Kensuke & Tsujimoto, Masahiro & Nishiuchi, Mamiko & Koyama, Katsuji & Nagase, Fumiaki & Corbet, Robin H. D., 2000, ApJS, 128, 491-509
• [6] ASCA Observations of the Sagittarius B2 Cloud: An X-Ray Reflection Nebula
  Murakami, Hiroshi & Koyama, Katsuji & Sakano, Masaaki & Tsujimoto, Masahiro & Maeda, Yoshitomo, 2000, ApJ, 534, 283-290
• [5] Observation of Fe-line emission from Sagittarius B2 - Evidence for past activities of our galaxy
  Murakami, H. & Koyama, K. & Maeda, Y. & Sakano, M. & Nishiuchi, M. & Tsujimoto, M., 2000, ASR, 25, 579-582

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1999

• [4] ASCA discovery of a Be X-ray pulsar in the SMC: AX J0051-733
  Imanishi, Kensuke & Yokogawa, Jun & Tsujimoto, Masahiro & Koyama, Katsuji, 1999, PASJ, 51, L21-L25
• [3] Discovery of a new X-ray pulsar, AX J0049-729, in the small magellanic cloud with ASCA
  Yokogawa, Jun & Imanishi, Kensuke & Tsujimoto, Masahiro & Kohno, Makoto & Koyama, Katsuji, 1999, PASJ, 51, 547-551
• [2] Further Studies of 1E 1740.7-2942 with ASCA
  Sakano, Masaaki & Imanishi, Kensuke & Tsujimoto, Masahiro & Koyama, Katsuji & Maeda, Yoshitomo, 1999, ApJ, 520, 316-323
• [1] Discovery of an X-ray pulsar in the SMC: AX J0058-7203
  Tsujimoto, Masahiro & Imanishi, Kensuke & Yokogawa, Jun & Koyama, Katsuji, 1999, PASJ, 51, 0

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