HT
H. Tajima
astro-ph.IMastro-ph.HEastro-phphysics.ins-dethep-exastro-ph.GAastro-ph.COastro-ph.SRGiant radio pulsespulsar:individual:B0531+21
On Valency
published · living versionsW_3qzq3v6g·v1 · currentpublished
Fermi and Swift Observations of GRB 190114C: Tracing the Evolution of High-Energy Emission from Prompt to Afterglow
with M. Ajello, M. Arimoto, M. Axelsson, L. Baldini +145
1 version
W_r3y4k8aq·v1published
W_h9sh9n8g·v1published
Preprints & journals
61 papers in the corpus · 2003–2025Design and Performance of the Upgraded Prototype Schwarzschild-Couder Telescope Camera Module2512.12529v2 · Giovanni Ambrosi, Carla Aramo, Mattia Barbanera et al.2025 · 0 citationsGiovanni Ambrosi, Carla Aramo, Mattia Barbanera, et al. "Design and performance of the upgraded prototype Schwarzschild-Couder telescope camera module," JATIS 12(3), 034001 (22 Jul 2026)
Evaluation of gamma-ray response of the AstroPix4 HV-CMOS active pixel sensor2507.21618v1 · Yusuke Suda, Regina Caputo, Daniel Violette et al.2025 · 1 citationarXiv
Multimodal Shifts in the Dark Current of Silicon Photomultipliers2504.00399v1 · Ryu Kawarasaki, Akira Okumura, Kazuhiro Furuta et al.2025 · 0 citationsarXiv
AstroPix: A Pixelated HVCMOS Sensor for Space-Based Gamma-Ray Measurement2501.11698v2 · Amanda L. Steinhebel, Regina Caputo, Daniel P. Violette et al.2025 · 5 citationsarXiv
ComPair-2: A Next Generation Medium Energy Gamma-ray Telescope Prototype2412.02562v2 · Regina Caputo, Carolyn Kierans, Nicholas Cannady et al.2024 · 3 citationsProceedings Volume 13093, Space Telescopes and Instrumentation 2024: Ultraviolet to Gamma Ray; 130932L (2024)
A-STEP: The AstroPix Sounding Rocket Technology Demonstration Payload2411.03165v1 · Daniel P. Violette, Amanda Steinhebel, Abhradeep Roy et al.2024 · 1 citationProceedings Volume 13093, Space Telescopes and Instrumentation 2024: Ultraviolet to Gamma Ray; 1309381 (2024)
Performance evaluation of the high-voltage CMOS active pixel sensor AstroPix for gamma-ray space telescopes2408.12891v1 · Yusuke Suda, Regina Caputo, Amanda L. Steinhebel et al.2024 · 6 citationsarXiv
FOXSI-2: Upgrades of the Focusing Optics X-ray Solar Imager for its Second Flight2403.07610v1 · Steven Christe, Lindsay Glesener, Camilo Buitrago-Casas et al.2024 · 46 citationsJournal of Astronomical Instrumentation, 2016, Volume 05, Number 01, 1640005
Development of a blue-mirror multilayer coating on light concentrators for future SiPM cameras2309.09572v1 · Akira Okumura, Junya Haga, Chiaki Inoue et al.2023 · 1 citationarXiv
Study on the gain and photon detection efficiency drops of silicon photomultipliers under bright background conditions2309.09580v1 · Akira Okumura, Kawori Wakazono, Kazuhiro Furuta et al.2023 · 0 citationsarXiv
AstroPix: CMOS pixels in space2302.00101v1 · Amanda L. Steinhebel, Regina Caputo, Henrike Fleischhack et al.2023 · 4 citationsarXiv
AstroPix: Novel monolithic active pixel silicon sensors for future gamma-ray telescopes2209.02631v1 · Amanda L. Steinhebel, Henrike Fleischhack, Nicolas Striebig et al.2022 · 15 citationsarXiv
The All-sky Medium Energy Gamma-ray Observatory eXplorer (AMEGO-X) Mission Concept2208.04990v2 · Regina Caputo, Marco Ajello, Carolyn Kierans et al.2022 · 104 citationsJournal of Astronomical Telescopes, Instruments, and Systems, Vol. 8, Issue 4, 044003 (October 2022)
Design and Performance of the Prototype Schwarzschild-Couder Telescope Camera2203.08169v1 · Colin B. Adams, Giovanni Ambrosi, Michelangelo Ambrosio et al.2022 · 20 citationsJ. Astron. Telesc. Instrum. Syst. 8(1), 014007 (2022)
Performance evaluation of GAGG(Ce)/LFS scintillator + MPPC array readout with ASIC2109.07362v1 · Daiki Nobashi, Kazutaka Yamaoka, Hiroyasu Tajima et al.2021 · 5 citationsNIM A 986 (2021) 164811
Origin of the in-orbit instrumental background of the Hard X-ray Imager onboard Hitomi2011.10317v1 · Kouichi Hagino, Hirokazu Odaka, Goro Sato et al.2020 · 3 citationsarXiv
Characterization of SiPM Optical Crosstalk and its Dependence on the Protection-Window Thickness1909.07529v1 · Yuki Nakamura, Akira Okumura, Hiroyasu Tajima et al.2019 · 11 citationsarXiv
Fermi-LAT gamma-ray study of the interstellar medium and cosmic rays in the Chamaeleon Molecular-Cloud Complex: A look at the dark gas as optically thick HI1909.03754v1 · Katsuhiro Hayashi, Tsunefumi Mizuno, Yasuo Fukui et al.2019 · 17 citationsarXiv
Development of a UV-transparent Lens Array for Enlarging the Effective Area of Multichannel SiPMs1908.05510v1 · Akira Okumura, Akira Asano, Kazuhiro Furuta et al.2019 · 0 citationsarXiv
Detection of polarized gamma-ray emission from the Crab nebula with Hitomi Soft Gamma-ray Detector1810.00704v1 · Felix Aharonian, Hiroki Akamatsu, Fumie Akimoto et al.2018 · 39 citationsarXiv
In-orbit performance and calibration of the Hard X-ray Imager onboard Hitomi (ASTRO-H)1805.08344v1 · Kouichi Hagino, Kazuhiro Nakazawa, Goro Sato et al.2018 · 11 citationsarXiv
Imaging and spectral performance of CdTe double-sided strip detectors for the Hard X-ray Imager onboard ASTRO-H1805.07707v1 · Kouichi Hagino, Hirokazu Odaka, Goro Sato et al.2018 · 17 citationsarXiv
Hitomi X-ray studies of Giant Radio Pulses from the Crab pulsar.32020916 · Hitomi Collaboration, Aharonian, Felix, Akamatsu, Hiroki et al.2025 · 21 citationsPublications of the Astronomical Society of Japan. Nihon Tenmon Gakkai. 2018;70(2)
Modeling of proton-induced radioactivation background in hard X-ray telescopes: Geant4-based simulation and its demonstration by Hitomi's measurement in a low Earth orbit1804.00827v1 · Hirokazu Odaka, Makoto Asai, Kouichi Hagino et al.2018 · 17 citationsNuclear Instruments and Methods in Physics Research Section A, 891, 92-105 (2018)
Hitomi X-ray Observation of the Pulsar Wind Nebula G21.5$-$0.91802.05068v1 · Felix Aharonian, Hiroki Akamatsu, Fumie Akimoto et al.2018 · 16 citationsarXiv
Temperature Structure in the Perseus Cluster Core Observed with Hitomi1712.06612v1 · Felix Aharonian, Hiroki Akamatsu, Fumie Akimoto et al.2017 · 44 citationsarXiv
Atomic data and spectral modeling constraints from high-resolution X-ray observations of the Perseus cluster with Hitomi1712.05407v1 · Felix Aharonian, Hiroki Akamatsu, Fumie Akimoto et al.2017 · 125 citationsarXiv
Hitomi Observations of the LMC SNR N132D: Highly Redshifted X-ray Emission from Iron Ejecta1712.02365v1 · Felix Aharonian, Hiroki Akamatsu, Fumie Akimoto et al.2017 · 20 citationsarXiv
Glimpse of the highly obscured HMXB IGR J16318-4848 with Hitomi1711.07727v1 · Felix Aharonian, Hiroki Akamatsu, Fumie Akimoto et al.2017 · 13 citationsarXiv
Hitomi Observation of Radio Galaxy NGC 1275: The First X-ray Microcalorimeter Spectroscopy of Fe-K{\alpha} Line Emission from an Active Galactic Nucleus1711.06289v1 · Felix Aharonian, Hiroki Akamatsu, Fumie Akimoto et al.2017 · 58 citationsarXiv
Atmospheric gas dynamics in the Perseus cluster observed with Hitomi1711.00240v1 · Felix Aharonian, Hiroki Akamatsu, Fumie Akimoto et al.2017 · 151 citationsarXiv
Measurements of resonant scattering in the Perseus cluster core with Hitomi SXS1710.04648v1 · Felix Aharonian, Hiroki Akamatsu, Fumie Akimoto et al.2017 · 70 citationsarXiv
Search for Thermal X-ray Features from the Crab nebula with Hitomi Soft X-ray Spectrometer1707.00054v2 · Felix Aharonian, Hiroki Akamatsu, Fumie Akimoto et al.2017 · 19 citationsarXiv
Study of the Polarimetric Performance of a Si/CdTe Semiconductor Compton Camera for the Hitomi Satellite1610.05433v1 · Junichiro Katsuta, Ikumi Edahiro, Shin Watanabe et al.2016 · 12 citationsarXiv
Hitomi constraints on the 3.5 keV line in the Perseus galaxy cluster1607.07420v2 · Felix A. Aharonian, Hiroki Akamatsu, Fumie Akimoto et al.2016 · 122 citationsApJ, 837, L15 (2017)
The Quiescent Intracluster Medium in the Core of the Perseus Cluster1607.04487v1 · Felix Aharonian, Hiroki Akamatsu, Fumie Akimoto et al.2016 · 493 citationsarXiv
The first demonstration of the concept of "narrow-FOV Si/CdTe semiconductor Compton camera"1509.07668v1 · Yuto Ichinohe, Yuusuke Uchida, Shin Watanabe et al.2015 · 19 citationsarXiv
Fine-pitch semiconductor detector for the FOXSI mission1509.05717v1 · Shin-nosuke Ishikawa, Shinya Saito, Hiroyasu Tajima et al.2015 · 22 citationsIEEE TNS, 58, 2039 (2011)
The Si/CdTe semiconductor Compton camera of the ASTRO-H Soft Gamma-ray Detector (SGD)1509.00588v1 · Shin Watanabe, Hiroyasu Tajima, Yasushi Fukazawa et al.2015 · 87 citationsNuclear Instruments and Methods in Physics Research A 765 (2014) 192--201
The ASTRO-H X-ray Astronomy Satellite1412.1356v1 · Tadayuki Takahashi, Kazuhisa Mitsuda, Richard Kelley et al.2014 · 54 citationsarXiv
Photosensor Characterization for the Cherenkov Telescope Array: Silicon Photomultiplier versus Multi-Anode Photomultiplier Tube1308.1390v1 · Aurelien Bouvier, Lloyd Gebremedhin, Caitlin Johnson et al.2013 · 16 citationsarXiv
Gamma-Ray Burst Science in the Era of the Cherenkov Telescope Array1301.3014v2 · Susumu Inoue, Jonathan Granot, Paul T. O'Brien et al.2013 · 86 citationsarXiv
The ASTRO-H X-ray Observatory1210.4378v1 · Tadayuki Takahashi, Kazuhisa Mitsuda, Richard Kelley et al.2012 · 110 citationsarXiv
Fermi-LAT Observation of Supernova Remnant S1471204.4703v1 · Junichiro Katsuta, Yasunobu Uchiyama, Takaaki Tanaka et al.2012 · 40 citationsarXiv
Fermi-LAT Discovery of GeV Gamma-ray Emission from the Vicinity of SNR W441203.3234v1 · Yasunobu Uchiyama, Stefan Funk, Hideaki Katagiri et al.2012 · 104 citationsarXiv
The ASTRO-H Mission1010.4972v1 · Tadayuki Takahashi, Kazuhisa Mitsuda, Richard Kelley et al.2010 · 182 citationsProceedings of the SPIE, Volume 7732, pp. 77320Z-77320Z-18 (2010)
Soft Gamma-ray Detector for the ASTRO-H Mission1010.4997v1 · Hiroyasu Tajima, Roger Blandford, Teruaki Enoto et al.2010 · 58 citationsProceedings of the SPIE, Volume 7732, pp. 773216-773216-17 (2010)
Gamma-ray Emission from Crushed Clouds in Supernova Remnants1008.1840v2 · Yasunobu Uchiyama, Roger Blandford, Stefan Funk et al.2010 · 162 citationsarXiv
Fermi Observations of high-energy gamma-ray emissions from GRB 080916C0907.0714v1 · Hiroyasu Tajima2009 · 2 citationsarXiv
High energy resolution hard X-ray and gamma-ray imagers using CdTe diode devices0811.0415v1 · Shin Watanabe, Shin-nosuke Ishikawa, Hiroyuki Aono et al.2008 · 109 citationsIEEE Trans.Nucl.Sci.56:777-782,2009
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