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Publications & Presentations

Submitted or in prep.

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  1. [1st] Toshiki Sato, Makoto Sawada, Keiichi Maeda, John P. Hughes, Brian J. Williams "TBA",  in prep. (2023)

  2. [1st] Toshiki Sato, et al., in prep. (2023)

Journal Articles:
Total 40, Corresponding author 12 (including 1st author 10), 2nd author 6

my ADS library​

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2023

  1. [1st] Toshiki Sato, Takashi Yoshida, Hideyuki Umeda, John P. Hughes , Keiichi Maeda, Shigehiro Nagataki, Brian J. Williams "Examining Neutrino-Matter Interactions in the Cassiopeia A Supernova", Accepted for publication in The Astrophysical Journal (2023)

  2. Yusuke Sakai et al. (including Toshiki Sato), "Richardson–Lucy deconvolution with a spatially Variant point-spread function of Chandra: Supernova Remnant Cassiopeia A as an Example", accepted for publication in The Astrophysical Journal (2023)

  3. Fabian Kislat et al. (including Toshiki Sato), "ASCENT – A balloon-borne hard X-ray imaging spectroscopy telescope using transition edge sensor microcalorimeter", accepted for publication in Journal of Astronomical Telescopes, Instruments, and Systems (JATIS). (2023) Cover image

  4. Wenshuai Li et al. (including Toshiki Sato), "High-sensitive XANES analysis at Ce L2-edge for Ce in bauxites using transition-edge sensors: Implications for Ti-rich geological samples", accepted for publication in Analytica Chimica Acta. (2023)

  5. [2nd] Ichinohe Yuto & Toshiki Sato, "Spatio-temporal characterization of Cassiopeia A", accepted for publication in The Astrophysical Journal (2023)

2022

  1. Matthew J. Millard et al. (including Toshiki Sato), "The 3D X-Ray Ejecta Structure of Tycho's Supernova Remnant", The Astrophysical Journal, Volume 937, Issue 2, id.121, 12 pp. (2022)

  2. [2nd] Tomoya Tsuchioka, Toshiki Sato, Shinya Yamada, Yasunobu Uchiyama, "X-ray Studies of the Inverted Ejecta Layers in the Southeast Area of Cassiopeia A", accepted for publication in The Astrophysical Journal (2022)

  3. Hayakawa et al. (including Toshiki Sato), "X-ray hot spots in the eastern ear of the supernova remnant W 50 and the microquasar SS 433 system", accepted for publication in Publ. Astron. Soc. Japan (PASJ) (2022)

  4. [Corresponding author] Takuma Ikeda, Yasunobu Uchiyama, Toshiki Sato, Ryota Higurashi, Tomoya Tsuchioka, Shinya Yamada "Discovery of Stable Titanium at the Northeastern Jet of Cassiopeia A: Need for a Weak Jet Mechanism?", accepted for publication in Publ. Astron. Soc. Japan (PASJ) (2022) Cover image

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2021

  1. Tomoaki Kasuga et al. (including Toshiki Sato) "Spatially Resolved RGS Analysis of Kepler's Supernova Remnant",  accepted for publication in The Astrophysical Journal (2021)

  2. Yuken Oshiro et al. (including Toshiki Sato) "Discovery of the Highly-Neutronized Ejecta Clump with Enhanced Abundances of Titanium and Chromium in the Type Ia Supernova Remnant 3C 397",  accepted for publication in The Astrophysical Journal Letters (2021)

  3. Tomoya Tsuchioka et al. (including Toshiki Sato) "On the origin of the asymmetry of the ejecta structure and explosion of G350.1−0.3", accepted for publication in The Astrophysical Journal (2021)

  4. [1st] Toshiki Sato, Keiichi Maeda, Shigehiro Nagataki, Takashi Yoshida, Brian Grefenstette, Brian J. Williams, Hideyuki Umeda, Masaomi Ono, John P. Hughes "High-entropy ejecta plumes in Cassiopeia A from neutrino-driven convection", Nature 592, 537-540 (2021) Press release (NASA/CXC) Press release (RIKEN) Altmetrics = 316, Cover image

  5. Gilles Ferrand, Donald C. Warren, Masaomi Ono, Shigehiro Nagataki, Friedrich K. Ropke, Ivo R. Seitenzahl, Florian Lach, Hiroyoshi Iwasaki, Toshiki Sato "From supernova to supernova remnant: comparison of thermonuclear explosion models", The Astrophysical Journal, Volume 906, Issue 2, id.93, 26 pp. (2021) Research Highlights​ Phys.org Altmetrics = 38

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2020​

  1. [2nd] Ryosuke Hirai, Toshiki Sato, Philipp Podsiadlowski, Alejandro Vigna-Gomez, Ilya Mandel "Formation pathway for lonely stripped-envelope supernova progenitors: implications for Cassiopeia A", Monthly Notices of the Royal Astronomical Society, Volume 499, Issue 1, pp.1154-1171 (2020) Phys.org Altmetrics = 60

  2. [1st] Toshiki Sato, Takashi Yoshida, Hideyuki Umeda, Shigehiro Nagataki, Masaomi Ono, Keiichi Maeda, Ryosuke Hirai John P. Hughes, Brian J. Williams, Yoshitomo Maeda, "A Sub-Solar Metallicity Progenitor for Cassiopeia A, the remnant of a Type IIb Supernova", The Astrophysical Journal, Volume 893, Issue 1, id.49, 9 pp. (2020) Phys.org sorae Research Highlights Altmetrics = 29

  3. Matthew J. Millard, Jayant Bhalerao, Sangwook Park, Toshiki Sato, John P. Hughes, Patrick Slane, Daniel Patnaude, David Burrows, Carles Badenes "An Ejecta Kinematics Study of Kepler’s Supernova Remnant with High-Resolution Chandra HETG Spectroscopy", The Astrophysical Journal, Volume 893, Issue 2, id.98, 13 pp. (2020). Phys.org Photo release Altmetrics = 182

  4. [1st] Toshiki Sato, Eduardo Bravo, Carles Badenes, John P. Hughes, Brian J. Williams, Hiroya Yamaguchi "A Nucleosynthetic Origin for the Southwestern Fe-rich Structure in Kepler’s Supernova Remnant", The Astrophysical Journal, Volume 890, Issue 2, id.104 (2020) 

​​2019

  1. [1st] Toshiki Sato, John P. Hughes, Brian J. Williams, Mikio Morii "Genus Statistics Applied to the X-ray remnant of SN 1572: Clues to the Clumpy Ejecta Structure of Type Ia Supernova", Astrophysical Journal, Volume 879, 64 (2019). sorae Phys.org Research Highlights Altmetrics = 142

  2. Yoshitomo Maeda, Ryo Iizuka, Takayuki Hayashi, Toshiki Sato, Nozomi Nakaniwa, Mai Takeo, Hitomi Suzkuki, Manabu Ishida, Shiro Ikeda, Mikio Morii "A concept for the X-ray telescope system with an angular-resolution booster ", Publ. Astron. Soc. Japan (PASJ), (2019).

​​2018

  1. [2rd] Tomoaki Kasuga, Toshiki Sato, Koji Mori, Hiroya Yamaguchi, Aya Bamba "Asymmetric Expansion of the Fe ejecta in Kepler's Supernova Remnant", Publ. Astron. Soc. Japan, Volume 70, Issue 5, id.88 (2018).

  2. [3rd] Federico Fraschetti, Satoru Katsuda, Toshiki Sato, J. R. Jokipii and Joe Giacalone "Vortical Amplification of the Magnetic Field at an Inward Shock of Supernova Remnant Cassiopeia A", Physical Review Letters (PRL), 120, 251101 (2018).

  3.  Maurice Leutenegger et al. (including Toshiki Sato) "In-flight verification of the calibration and performance of the ASTRO-H (Hitomi) Soft X-ray Spectrometer" J. Astron. Telesc. Instrum. Syst, 4(2), 021406, (2018)

  4. Hitomi collaboration (including Toshiki Sato), "Hitomi X-ray Observation of the Pulsar Wind Nebula G21.5-0.9" Publ. Astron. Soc. Japan (PASJ),  00 (0), 1–16, (2018)

  5. Ryo Iizuka, Takayuki Hayashi, Yoshitomo Maeda, Manabu Ishida, Kazuki Tomikawa, Toshiki Sato, Naomichi Kikuchi, Takashi Okajima, Yang Soong, Peter Serlemitsos, Hideyuki Mori, Takanori Izumiya, Sari Minami, "Ground-based X-ray calibration of the Astro-H/Hitomi soft X-ray telescopes" J. Astron. Telesc. Instrum. Syst., Volume 4, id. 011213 (2018)

  6. Masahiro Tsujimoto, Takashi Okajima, Megan E, Eckart, Takayuki Hayashi, Akio Hoshino, Ryo Iizuka, Richard L. Kelley, Caroline A. Kikbuurne, Maurice A. Leutenegger, Yoshitomo Maeda, Hideyuki Mori, Frederick S. Porter, Kosuke Sato, Toshiki Sato, Peter J. Serlemitsos, Andrew Szymkowiak, Tahir Yaqoob, "In-flight Calibration of Hitomi Soft X-ray Spectrometer (3) Effective Area" Publ. Astron. Soc. Japan, Volume 70, Issue 2, 1 (2018)

  7. Hideyuki Mori et al. (including Toshiki Sato) "On-Ground Calibration of the Hitomi Hard X-ray Telescopes" J. Astron. Telesc. Instrum. Syst , 4(1), 011210, (2018)

  8. Hitomi collaboration (including Toshiki Sato), "Hitomi Observations of the LMC SNR N132D: Highly Redshifted X-ray Emission from Iron Ejecta" Publ. Astron. Soc. Japan, Volume 70, Issue 2, id.16 (2018)

  9. [1st] Toshiki Sato, Satoru Katsuda, Mikio Morii, Aya Bamba, John P. Hughes, Yoshitomo Maeda, Manabu Ishida and Federico Fraschetti "X-ray Measurements of the Particle Acceleration Properties at Inward Shocks in Cassiopeia A", The Astrophysical Journal (ApJ), Volume 853, Issue 1, article id. 46, (2018). sorae Phys.org Photo release Altmetrics = 42

  10. [2nd] Yoshitomo Maeda, Toshiki Sato, Takayuki Hayashi, Ryo Iizuka, Lorella Angelini, Ryota Asai, Akihiro Furuzawa, Richard Kelly, Shu Koyama, Sho Kurashima, Manabu Ishida, Hideyuki Mori, Nozomi Nakaniwa, Takashi Okajima, Peter J. Serlemitsos, Masahiro Tsujimoto, Tahir Yaqoob, "Inflight Calibration of Hitomi Soft X-ray Spectrometer (2) Point Spread Function" , Publ. Astron. Soc. Japan, Volume 70, Issue 2, id.19 (2018)

  11. Hiroshi Nakajima et al. (including Toshiki Sato) "In-orbit performance of the soft X-ray imaging system aboard Hitomi (ASTRO-H)" , Publ. Astron. Soc. Japan, Volume 70, Issue 2, id.21 (2018)

  12. [Corresponding author] Hitomi collaboration (including Toshiki Sato), "Search for Thermal X-ray Features from the Crab nebula with Hitomi Soft X-ray Spectrometer" Publ. Astron. Soc. Japan, Volume 70, Issue 2, id.14 (2018)

​​2017

  1. [1st] Toshiki Sato & John P. Hughes, "Freely Expanding Knots of X-ray Emitting Ejecta in Kepler's Supernova Remnant" The Astrophysical Journal (ApJ), Volume 845, 167, (2017) Altmetrics = 60

  2. [1st] Toshiki Sato & John P. Hughes, "Direct Ejecta Velocity Measurements of Tycho's Supernova Remnant" The Astrophysical Journal (ApJ), Volume 840, 112, (2017)

  3. [1st] Toshiki Sato, Yoshitomo Maeda, Aya Bamba, Satoru Katsuda, Yutaka Ohira, Ryo Yamazaki, Kuniaki Masai, Hironori Matsumoto, Makoto Sawada, Yukikatsu Terada, John P. Hughes, Manabu Ishida "Multi-year X-ray variations of Iron-K and Continuum Emissions in the Young Supernova Remnant Cassiopeia A", The Astrophysical Journal (ApJ), Volume 836, 225, (2017)

2016

  1. [1st] Toshiki Sato, Ryo Iizuka, Takayuki Hayashi, Yoshitomo Maeda, Manabu Ishida, Kazuki Tomikawa, Naomichi Kikuchi, Takashi Okajima, Yang Soong, Peter J. Serlemitosos, Hideyuki Mori, Takanori Izumiya and Sari Minami, "Examining the angular resolution of the ASTRO-H Soft X-ray Telescopes", J. Astron. Telesc. Instrum. Syst. 2(4), 044001 (2016)

  2. Naomichi Kikuchi, Sho Kurashima, Manabu Ishida, Ryo Iizuka, Yoshitomo Maeda, Yakayuki Hayashi, Takashi Okajima, Hironori Matsumoto, Ikuyuki Mitsuishi, Shigetaka Saji, Toshiki Sato, Sasagu Tachibana, Hideyuki Mori, Finn Christensen, Nicolai Brejnholt, Kiyofumi Nitta and Tomoya Uraga, "Atomic scattering factor of the ASTRO-H (Hitomi) SXT reflector around the gold's L edges", Optics Express, Vol. 24, No. 22, 25548 (2016)

2015

  1. [2nd] Takayuki Hayashi, Toshiki Sato, Naomichi Kikuchi, Sho Kurashima, Nozomi Nakamiwa, Takuro Sato, Ryo Iizuka, Yoshitomo Maeda and Manabu Ishida, "Upgrade of the 30-m x-ray pencil beam line at the Institute of Space and Astronautical Science", J. Astron. Telesc. Instrum. Syst. 1(4), 044004 (2015)

  2. Yoshitomo Maeda, Kou Ichihara, Hiroaki Kan, Yu Shionome, Takuro Sato, Toshiki Sato, Takayuki Hayashi, Manabu Ishida, Yoshiharu Namba, Hideaki Takahashi, Takuya Miyazawa, Kazunori Ishibashi, Michito Sakai, Satoshi Sugita, Yoshito Haba, Hironori Matsumoto, Hideyuki Mori, "A Thermal Stress Test of the Depth-Graded Pt/C Reflectors Used in the ASTRO-H Hard X-ray Telescope (HXT)", J. Astron. Telesc. Instrum. Syst. 1(3), 034001-(1-4) (2015).

2014

  1. Hisamitsu Awaki et al. (including Toshiki Sato), "Hard x-ray telescopes to be onboard ASTRO-H", Applied Optics, Vol. 53, No. 32, pp7664-7676, (2014)

Conference Proceedings:
Total 22, 1st author 3, 2nd author 5, 3rd author 2

2020

  1. Takayuki Hayashi et al. (including Toshiki Sato) "Ground calibration of the x-ray mirror assembly for the x-ray imaging and spectroscopy mission (XRISM) III-performance variation across the aperture" Proceedings of the SPIE, Volume 12181, id. 121815Y 10 pp. (2022).

  2. Koji Mori et al. (including Toshiki Sato) "A broadband x-ray imaging spectroscopy in the 2030s: the FORCE mission" Proceedings of the SPIE, Volume 12181, id. 1218122 12 pp. (2022).

  3. Keisuke Tamura et al. (including Toshiki Sato) "Ground calibration of the x-ray mirror assembly for the X-Ray Imaging and Spectroscopy Mission (XRISM) II: imaging performance and stray light" Proceedings of the SPIE, Volume 12181, id. 121811V 11 pp. (2022).

  4. Rozenn Boissay-Malaquin et al. (including Toshiki Sato) "Ground calibration of the x-ray mirror assembly for the X-Ray Imaging and Spectroscopy Mission (XRISM) I-measurement setup and effective area" Proceedings of the SPIE, Volume 12181, id. 121811U 13 pp. (2022).

2020

  1. Makoto Tashiro et al. (including Toshiki Sato) "Status of x-ray imaging and spectroscopy mission (XRISM)" Space Telescopes and Instrumentation 2020: Ultraviolet to Gamma Ray, 11444, 22, (2020)

2017

  1. Yoshitomo Maeda et al. (including Toshiki Sato) "The Hitomi (ASTRO-H) Soft X-ray Telescope (SXT): current status of calibration" Proc. SPIE 10399, Optics for EUV, X-Ray, and Gamma-Ray Astronomy VIII, 103990Q, (2017)

  2. [3rd] Yoshitomo Maeda, Ryo Iizuka, Toshiki Sato, et al. "An angular-resolution booster on the broadband X-ray telescope system", Proc. SPIE 10399, Optics for EUV, X-Ray, and Gamma-Ray Astronomy VIII, 103991R, (2017)

  3. Satoru Katsuda, Hiroya Yamaguchi, Makoto Sawada, Eric D. Miller, Kumiko Nobukawa, Masayoshi Nobukawa, Takaaki Tanaka, Hiroshi Nakajima, Aya Bamba, John P. Hughes, Masahiro Tsujimoto, Toshiki Sato, Kosuke Sato, Lorella Angelini, Benson Guest, Hiroyuki Uchida, Hiromitsu Takahashi, Yukikatsu Terada, Shu Koyama, Kenya Oshimizu, Caroline A. Kilbourne, Katsuji Koyama, Samar Safi-Harb, Brian J. Williams & Hitomi Collaboration "Hitomi Observations of Supernova Remnants N132D and G21.5-0.9", 7 years of MAXI proceedings, p291, (2017)

2016

  1. [1st] Toshiki Sato, Ryo Iizuka, Hideyuki Mori, Takayuki Hayashi, Yoshitomo Maeda, Manabu Ishida, Naomichi Kikuchi, Sho Kurashima, Nozomi Nakaniwa, Takashi Okajima, Yang Soong, Peter J. Serlemitosos, "The ASTRO-H SXT performance to the large off-set angles", SPIE Proceedings, Vol. 9905, id. 99053X, (2016).

  2. [2nd] Takayuki Hayashi, Toshiki Sato, Naomichi Kikuchi, Ryo Iizuka, Yoshitomo Maeda, Manabu Ishida, Sho Kurashima, Nozomi Nakaniwa, Takashi Okajima, Mori Hideyuki, Yang Soong, Peter J. Serlemitosos, "Point spread function of ASTRO-H Soft X-ray Telescope (SXT)", SPIE Proceedings, Vol. 9905, id. 9905D, 6 pp (2016).

  3. Yoshitomo Maeda, Naomichi Kikuchi, Sho Kurashima, Manabu Ishida, Ryo Iizuka, Takayuki Hayashi, Takashi Okajima, Hironori Matsumoto, Ikuyuki Mitsuishi, Shigetaka Saji, Toshiki Sato, Sasagu Tachibana, Hideyuki Mori, Finn Christensen, Nicolai Brejnholt, Kiyofumi Nitta and Tomoya Uraga, "Reflectivity around the gold L-edges of x-ray reflector of the soft x-ray telescope onboard ASTRO-H", SPIE Proceedings, Vol. 9905, id. 99053Z, 8 pp (2016).

  4. [3rd] Sho Kurashima, Akihiro Furuzawa, Toshiki Sato, Naomichi Kikuchi, Nozomi Nakaniwa, Yoshitomo Maeda, Manabu Ishida, Ryo Iizuka, Takashi Okajima, Hideyuki Mori, Hironori Matsumoto, Keisuke Tamura, Kazunori Ishibashi, Takayuki Hayashi, Takuya Miyazawa, Masato Maejima, Shun Yoshikawa, "Reflectivity around the gold M-edges of x-ray reflector of the soft x-ray telescope onboard ASTRO-H", SPIE Proceedings, Vol. 9905, id. 99053Y, 10 pp (2016).

  5. Maurice A. Leutenegger et al. (including Toshiki Sato), "In-flight verification of the calibration and performance of the ASTRO-H (Hitomi) Soft X-Ray Spectrometer", SPIE Proceedings, Vol. 9905, id. 99053U, 12 pp (2016).

  6.  Takashi Okajima et al. (including Toshiki Sato), "First peek of ASTRO-H Soft X-ray Telescope (SXT) in-orbit performance", SPIE Proceedings, Vol. 9905, id. 99050Z, 8 pp (2016).

  7. [2nd] John P. Hughes & Toshiki Sato, "A kinematic study of Tycho's supernova remnant", Supernova Remnants: An Odyssey in Space after Stellar Death, Proceedings of the Conference held 6-11 June (2016), id. 72

2014

  1. [1st] Toshiki Sato, Yoshitomo Maeda, Aya Bamba, Jacco Vink, Yukikatsu Terada, Takafumi Takeda, Makoto Sawada, Poshak Gandhi, Hironori Matsumoto, Yasunobu Uchiyama, the Suzaku Cas A team, "Hard X-ray Variation of Cassiopeia A", Suzaku-MAXI Conference Expanding the Frontiers of the X-ray Universe, pp62--63, (2014)

  2. Yoshitomo Maeda, Toshiki Sato, Hiroshi Tsunemi et al. "X-ray imaging of the Cr and Fe lines from Cassiopeia A", Suzaku-MAXI Conference Expanding the Frontiers of the X-ray Universe, pp117, (2014)

  3. [2nd] Ikuyuki Mitsuishi, Toshiki Sato, Kazuhisa Mitsuda et al. "Unresolved Soft X-Ray Emissions from the Galactic Plane", Suzaku-MAXI Conference Expanding the Frontiers of the X-ray Universe, pp50, (2014)

  4. [1st] Toshiki Sato, Ryo Iizuka, Takayuki Hayashi, Yoshitomo Maeda, Manabu Ishida, Kazuki Tomikawa, Naomichi Kikuch, Takashi Okajima, Yang Soong, Peter J. Serlemitosos, Hideyuki Mori, Takanori Izumiya and Sari Minami, "Revealing a detailed performance of the Soft X-ray Telescopes of the ASTRO-H mission",  SPIE Proceedings, Vol. 9144, id. 914459 9 pp. (2014).

  5. Ryo Iizuka, Takayuki Hayashi, Yoshitomo Maeda, Manabu Ishida, Kazuki Tomikawa, Toshiki Sato, Naomichi Kikuchi, Takashi Okajima, Yang Soong, Peter Serlemitsos, Hideyuki Mori, Takanori Izumiya, Sari Minami, "Ground-based x-ray calibration of the Astro-H soft x-ray telescopes" SPIE Proceedings, Vol. 9144, id. 914458, 11 pp. (2014).

  6. [2nd] Takayuki Hayashi, Toshiki Sato, Naomichi Kikuchi, Sho Kurashima, Nozomi Nakamiwa, Takuro Sato, Ryo Iizuka, Yoshitomo Maeda and Manabu Ishida, "Upgrade of the thirty-meter x-ray pencil beam line at the Institute of Space and Astronautical Science", SPIE Proceedings, Vol. 9144, id. 91444A, 7 pp. (2014).

  7. Yang Soong, et al. (including Toshiki Sato), "ASTRO-H Soft X-ray Telescope (SXT)", SPIE Proceedings, Vol. 9144, id. 91428, 14 pp. (2014).

International Conference (1st & 2nd author) and Invited Domestic (Japanese) Conference

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2022

  1. 佐藤 寿紀 "超新星残骸のX線観測で迫る超新星爆発中心の物理" 理論懇シンポジウム, 2022/12 (Invited Talk)

2021

  1. 佐藤 寿紀 "X線-硬X線で探る超新星残骸とコンパクト天体" FORCE 会議, 2021/03/4-5 (Invited Talk)

  2. Toshiki Sato "High-entropy ejecta plumes in Cassiopeia A from neutrino-driven explosion" Nuclear burning in massive stars, 2021/07/26-30 (Talk)

  3. 佐藤 寿紀 "超新星残骸の X 線観測で探る星の爆発機構" 天文・天体物理 若手夏の学校, 2021/08/23-26 (Invited Talk)

2019

  1. Toshiki Sato "The Origin of the X-ray clumpy structures in a Type Ia supernova remnant" Fifty-One Ergs 2019 , 2019/05/20-24 (Poster)

  2. Toshiki Sato "X-ray Clumpy Structures in Type Ia Supernova Remnants" Collaborative Meeting on Supernova Remnants between Japan and USA, 2019/11/7-12 (Invited Talk)

​​​2018

  1. Toshiki Sato "Kinematical Asymmetries and Their Interpretations in Kepler's Supernova Remnant and Cassiopeia A " Shocking Supernovae: surrounding interactions and unusual events, 2018/05/28-06/01 (Talk)

​​2017

  1. John P. Hughes & Toshiki Sato "Freely Expanding Knots of X-ray Emitting Ejecta in Kepler's Supernova Remnant" American Astronomical Society, HEAD meeting #16, id.110.11 (Poster)

  2. Toshiki Sato (on behalf of Hitomi's SXT team), “In-flight Calibration Status of the Soft X-ray Telescopes (SXTs) onboad the Hitomi Satellite”, 12th IACHEC meeting, Ontario, America, 2017/3/27-31 (Talk)

​​2016

  1. Toshiki Sato, Ryo Iizuka, Hideyuki Mori, Takayuki Hayashi, Yoshitomo Maeda, Manabu Ishida, Naomichi Kikuch, Sho Kurashima, Nozomi Nakaniwa, Takashi Okajima, Yang Soong, Peter J. Serlemitosos, “The ASTRO-H SXT performance to the large off-set angles”, SPIE Astronomical Telescopes and Instrumentation, Ediburgh, United Kingdom, 2016/6/25-7/2 (Poster)

  2. Takayuki Hayashi, Toshiki Sato, Naomichi Kikuchi, Ryo Iizuka, Yoshitomo Maeda, Manabu Ishida, Sho Kurashima, Nozomi Nakaniwa, Takashi Okajima, Hideyuki Mori, Yang Soong, Peter J. Serlemitsos, “Point spread function of ASTRO-H Soft X-ray Telescope (SXT)”, SPIE Astronomical Telescopes and Instrumentation, Ediburgh, United Kingdom, 2016/6/25- 7/2 (Poster)

  3. John P. Hughes & Toshiki Sato, “A kinematic study of Tycho’s supernova remnant”, Supernova Remnants: An Odyssey in Space after Stellar Death, 6-11 June 2016 (Talk)

​​2015

  1. Toshiki Sato, “Plasma Study of the Cassiopeia A Supernova Remnant”, Spectroscopy of Cosmic Plasma in the Era of ASTRO-H, Kanagawa, Japan, 2015/08 (Talk)

​​2014

  1. Toshiki Sato, “Dynamical & Chemical Study of G1.9+0.3”, AtomDB Work week and Workshop 2014, Tokyo, Japan, 2014/08 (Talk + Poster)

  2. Toshiki Sato, Yoshitomo Maeda, Aya Bamba, Poshak Gandhi, Hironori Matsumoto, Jacco Vink, Yukikatsu Terada, Takafumi Takeda, Makoto Sawada, Yasunobu Uchiyama and the Suzaku Cas A team, “Time variation of Cassiopeia A and a new evidence of the variation” COSPAR MOSCOW 2014, Moscow, Russia, 2014/8/1-4 (Talk)

  3. Toshiki Sato, Ryo Iizuka, Takayuki Hayashi, Yoshitomo Maeda, Manabu Ishida, Kazuki Tomikawa, Naomichi Kikuch, Takashi Okajima, Yang Soong, Peter J. Serlemitosos, Hideyuki Mori, Takanori Izumiya, Sari Minami and the ASTRO-H SXT team, “Revealing a detailed performance of the Soft X-ray Telescopes of the ASTRO-H mission”, SPIE Astronomical Telescopes and Instrumentation, Montreal, Canada, 2014/6/22-27 (Poster)

  4. Takayuki Hayashi, Toshiki Sato, Naomichi Kikuchi, Sho Kurashima, Nozomi Nakamiwa, Takuro Sato, Ryo Iizuka, Yoshit- omo Maeda and Manabu Ishida, “Upgrade of the thirty-meter x-ray pencil beam line at the institute of space and astronautical science” SPIE Astronomical Telescopes and Instrumentation, Montreal, Canada, 2014/6/22-27. (Poster)

  5. Toshiki Sato, Yoshitomo Maeda, Aya Bamba, Jacco Vink, Yukikatsu Terada, Takafumi Takeda, Makoto Sawada, Poshak Gandhi, Hironori Matsumoto, Yasunobu Uchiyama, the Suzaku Cas A team, “Continuum Variation of Cassiopeia A” Suzaku- MAXI Conference Expanding the Frontiers of the X-ray Universe, Ehime, Japan, 2014/2 (Poster)

​

  1. 「High-entropy ejecta plumes in Cassiopeia A from neutrino-driven convection」at the N3AS (Network in Neutrinos, Nuclear Astrophysics and Symmetries)  Zoom Seminar, 2021/08/24 (invited)

  2. 「超新星最深部での元素合成: X線観測による超新星残骸内の高エントロピー上昇流の発見」知の共有ゼミ (玉川研・榎戸研) 理化学研究所 2021/08/17 (invited)

  3. 「X-ray Probing of Death of a Massive Star」早稲田大学 2021/07/09 (invited)

  4. 「X-ray Probing of Death of a Massive Star」雲南大学 2021/06/29 (invited)

  5. 「X-ray Probing of Death of a Massive Star」名古屋大学 KMI 2021/06/09 (invited)

  6. 「X-ray Probing of Death of a Massive Star」Monash Univ. 2021/06/01(invited)

  7. 「X線観測で探る重力崩壊型超新星におけるニュートリノの役割」大阪大学 2021/05/17

  8. 「A Subsolar Metallicity Progenitor for Cassiopeia A, the Remnant of a Type IIb Supernova」the Center for Astrophysics | Harvard & Smithsonian (CfA), Zoom seminar 2020/07/06

  9. 「The Origin of the X-ray Clumpy Ejecta in Type Ia Supernova Remnants」NASA/GSFC 2019/04/17

  10. 「Ia型超新星残骸内の塊構造と核燃焼過程の関係性」首都大学 宇宙物理実験研究室 2019/04/05

  11. 「The Origin of the X-ray Clumpy Ejecta in Type Ia Supernova Remnants」東京大学 RESCEU Colloquium (host: 馬場 彩 教授) 2019/04/04

  12. 「The Origin of the X-ray Clumpy Ejecta in Type Ia Supernova Remnants」理化学研究所 長瀧研究室  2019/04/03

  13. 「Ia型超新星残骸内の塊構造と核燃焼過程の関係性」埼玉大学 宇宙物理実験研究室 2019/03/25

  14. 「Ia型超新星残骸内の塊構造と核燃焼過程の関係性」京都大学 宇宙線研究室 X線グループ 2019/03/08

  15. 「超新星残骸 Cassiopeia A のX線時間変動と粒子加速」立教大学 2018/06/29

  16. 「X線観測で迫る若い Ia型超新星残骸の三次元的膨張構造」宇宙科学研究所 2018/06/21

  17. 「X線観測で探る若い超新星残骸の膨張進化とその周辺環境」京都大学 宇宙線研究室 X線グループ 2017/05/29 (invited)

  18. 「X線ドップラー偏移測定から見え始めた Ia型超新星残骸の三次元的速度構造」東京大学 RESCEU 茂山研究室 2017/05/24

  19. 「Direct Ejecta Velocity Measurements of Tycho’s SNR」Los Alamos National Laboratory  2016/04/22 (invited)

  20. 「Direct Ejecta Velocity Measurements of Tycho’s SNR」Rutgers University 2016/04/19

Seminar Talks

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