TT
Toru Tamagawa
astro-ph.HEastro-ph.IMastro-phastro-ph.GAastro-ph.SRastro-ph.COphysics.ins-detgr-qcnucl-thhep-ex
On Valency
published · living versionsW_r8fyue77·v1 · currentpublished
The IXPE view of GRB 221009A
with Michela Negro, Niccoló Di Lalla, Nicola Omodei, Péter Veres +106
1 version
Preprints & journals
173 papers in the corpus · 2001–2026Chemical enrichment of the Perseus cluster core seen by XRISM/Resolve2606.17141v3 · Marc Audard, Hisamitsu Awaki, Ralf Ballhausen et al.2026 · 1 citationarXiv
A Fast, Hot Wind from a Nuclear Starburst2603.24674v1 · Marc Audard, Hisamitsu Awaki, Ralf Ballhausen et al.2026 · 0 citationsNature, March 25, 2026
High Spectral Resolution X-ray Observations of the Evolved Supermassive Stellar Binary System Carinae - Iron K Band Profile Revealed with XRISM2602.22476v1 · Marc Audard, Hisamitsu Awaki, Ralf Ballhausen et al.2026 · 2 citationsarXiv
Magnetic-field Order in the Southwestern Rim of RCW 86 Constrained Using X-Ray Polarimetry2602.19200v1 · Stefano Silvestri, Dmitry Prokhorov, Jacco Vink et al.2026 · 0 citationsThe Astrophysical Journal, Volume 998, Number 1, 2026
In-orbit Demonstration of X-ray Pulsar Navigation with NinjaSat2602.14166v1 · Naoyuki Ota, Takuya Takahashi, Toru Tamagawa et al.2026 · 0 citationsarXiv
X-ray Analysis and Photon-transport Simulations of SMC X-1: A Warped-disc Origin of the Superorbital Modulation2601.13978v1 · Satoshi Takashima, Hirokazu Odaka, Ryota Tomaru et al.2026 · 0 citationsarXiv
Super-Eddington Accretion Geometry: a Remarkable Stability of the Hidden Ultraluminous X-Ray Source Cygnus X-32512.12879v1 · Romana Mikusincov'a, Alexandra Veledina, Fabio Muleri et al.2025 · 2 citationsarXiv
A XRISM/Resolve view of the dynamics in the hot gaseous atmosphere of M872512.06596v1 · M. Audard, H. Awaki, R. Ballhausen et al.2025 · 7 citationsarXiv
Comparing XRISM cluster velocity dispersions with predictions from cosmological simulations: are feedback models too ejective?2510.06322v2 · Marc Audard, Hisamitsu Awaki, Ralf Ballhausen et al.2025 · 10 citationsarXiv
First Detection of X-ray Polarization and Its Short-term Increase Pre- and Post-Eclipse in HMXB 4U 1700-3772509.14494v1 · Kaito Ninoyu, Keisuke Uchiyama, Shinya Yamada et al.2025 · 2 citationsPublications of the Astronomical Society of Japan, Volume 77, Issue 4, August 2025, Pages L49-L54
Stratified wind from a super-Eddington X-ray binary is slower than expected2509.14555v1 · Marc Audard, Hisamitsu Awaki, Ralf Ballhausen et al.2025 · 12 citationsarXiv
A simple, flexible method for timing cross-calibration of space missions2509.13865v3 · Matteo Bachetti, Yukikatsu Terada, Megumi Shidatsu et al.2025 · 3 citationsPASP 138 014501 (2026)
Disentangling Multiple Gas Kinematic Drivers in the Perseus Galaxy Cluster2509.04421v2 · Marc Audard, Hisamitsu Awaki, Ralf Ballhausen et al.2025 · 14 citationsarXiv
Return of the Clocked Burster: Exceptionally Short Recurrence Time in GS 1826-2382508.18837v3 · Tomoshi Takeda, Toru Tamagawa, Teruaki Enoto et al.2025 · 1 citationThe Astrophysical Journal Letters, Volume 993, Number 1, L13 (2025)
XRISM/Resolve View of Abell 2319: Turbulence, Sloshing, and ICM Dynamics2508.05067v3 · Marc Audard, Hisamitsu Awaki, Ralf Ballhausen et al.2025 · 6 citationsarXiv
Polarization of reflected X-ray emission from the Sgr A molecular complex: multiple flares, multiple sources?2508.04862v2 · Ildar Khabibullin, Eugene Churazov, Riccardo Ferrazzoli et al.2025 · 0 citationsarXiv
Speciation of cesium in a radiocesium-bearing microparticle emitted from Unit 1 during the Fukushima nuclear accident by XANES spectroscopy using transition edge sensor.40633342 · Takahashi, Yoshio, Miura, Hikaru, Yamada, Shinya et al.2025 · 5 citationsJournal of hazardous materials. 2025;495:139031
X-ray Polarization Detection of the Pulsar Wind Nebula in G21.5-0.9 with IXPE2506.05630v2 · Niccolo Di Lalla, Nicola Omodei, Niccolo Bucciantini et al.2025 · 2 citationsarXiv
Constraining gas motion and non-thermal pressure beyond the core of the Abell 2029 galaxy cluster with XRISM2505.06533v1 · Marc Audard, Hisamitsu Awaki, Ralf Ballhausen et al.2025 · 21 citationsarXiv
High optical to X-ray polarization ratio reveals Compton scattering in BL Lacertae's jet2505.01832v1 · Ivan Agudo, Ioannis Liodakis, Jorge Otero-Santos et al.2025 · 16 citationsarXiv
XRISM forecast for the Coma cluster: stormy, with a steep power spectrum2504.20928v1 · Marc Audard, Hisamitsu Awaki, Ralf Ballhausen et al.2025 · 32 citationsarXiv
Thermonuclear superburst of MAXI J1752$-$457 observed with NinjaSat and MAXI2504.04352v2 · Amira Aoyama, Teruaki Enoto, Takuya Takahashi et al.2025 · 2 citationsThe Astrophysical Journal Letters, 986, L29 (2025)
X-ray Polarization of the High-Synchrotron-Peak BL Lacertae Object 1ES 1959+650 during Intermediate and High X-ray Flux States2503.21344v1 · Luigi Pacciani, Dawoon E. Kim, Riccardo Middei et al.2025 · 8 citationsarXiv
NinjaSat: Astronomical X-ray CubeSat Observatory2412.03016v1 · Toru Tamagawa, Teruaki Enoto, Takao Kitaguchi et al.2024 · 9 citationsPublications of the Astronomical Society of Japan 77, 466-479 (2025)
IXPE Observation of the Low-Synchrotron Peaked Blazar S4 0954+65 During An Optical-X-ray Flare2411.16868v2 · Pouya M. Kouch, Ioannis Liodakis, Francesco Fenu et al.2024 · 10 citationsA&A 695, A99 (2025)
NinjaSat monitoring of Type-I X-ray bursts from the clocked burster SRGA J144459.2$-$6042072411.10992v2 · Tomoshi Takeda, Toru Tamagawa, Teruaki Enoto et al.2024 · 11 citationsPublications of the Astronomical Society of Japan 77 (2025)
Evidence of non-Solar elemental composition in the clocked X-ray burster SRGA J144459.2$-$6042072411.10993v2 · Akira Dohi, Nobuya Nishimura, Ryosuke Hirai et al.2024 · 4 citationsarXiv
Evidence for a shock-compressed magnetic field in the northwestern rim of Vela Jr. from X-ray polarimetry2410.20582v1 · Dmitry A. Prokhorov, Yi-Jung Yang, Riccardo Ferrazzoli et al.2024 · 6 citationsarXiv
A Two-Week Monitoring Campaign on Mrk 4212410.19983v1 · W. Peter Maksym, Ioannis Liodakis (1, M. Lynne Saade (3 et al.2024 · 8 citationsarXiv
Analysis of Crab X-ray Polarization using Deeper IXPE Observations2407.12779v1 · Josephine Wong, Tsunefumi Mizuno, Niccol'o Bucciantini et al.2024 · 13 citationsarXiv
X-ray and multiwavelength polarization of Mrk 501 from 2022 to 20232407.11128v1 · Chien-Ting J. Chen (USRA/NASA MSFC), Ioannis Liodakis, Riccardo Middei et al.2024 · 15 citationsarXiv
An IXPE-Led X-ray Spectro-Polarimetric Campaign on the Soft State of Cygnus X-1: X-ray Polarimetric Evidence for Strong Gravitational Lensing2406.12014v1 · James F. Steiner, Edward Nathan, Kun Hu et al.2024 · 34 citationsarXiv
Probing the polarized emission from SMC X-1: the brightest X-ray pulsar observed by IXPE2406.08988v1 · Sofia V. Forsblom, Sergey S. Tsygankov, Juri Poutanen et al.2024 · 16 citationsA&A 691, A216 (2024)
IXPE observation of PKS 2155-304 reveals the most highly polarized blazar2406.01693v1 · Pouya M. Kouch, Ioannis Liodakis, Riccardo Middei et al.2024 · 36 citationsA&A 689, A119 (2024)
Discovery of a shock-compressed magnetic field in the north-western rim of the young supernova remnant RX J1713.7-3946 with X-ray polarimetry2405.07577v2 · Riccardo Ferrazzoli, Dmitry Prokhorov, Niccolo Bucciantini et al.2024 · 14 citationsApJL 967 L38 (2024)
Studying geometry of the ultraluminous X-ray pulsar Swift J0243.6+6124 using X-ray and optical polarimetry2405.08107v2 · Juri Poutanen, Sergey S. Tsygankov, Victor Doroshenko et al.2024 · 17 citationsA&A 691, A123 (2024)
First detection of polarization in X-rays for PSR B0540-69 and its nebula2402.02504v1 · Fei Xie, Josephine Wong, Fabio La Monaca et al.2024 · 16 citationsarXiv
Discovery of a strong rotation of the X-ray polarization angle in the galactic burster GX 13+12401.13058v2 · Anna Bobrikova, Sofia V. Forsblom, Alessandro Di Marco et al.2024 · 22 citationsA&A 688, A170 (2024)
Detection of X-ray Polarization from the Blazar 1ES 1959+650 with the Imaging X-ray Polarimetry Explorer2401.04420v1 · Manel Errando, Ioannis Liodakis, Alan P. Marscher et al.2024 · 33 citationsThe Astrophysical Journal, 963 (2024) 5
X-Ray Polarimetry of the Dipping Accreting Neutron Star 4U 1624-492312.11655v3 · M. Lynne Saade, Philip Kaaret, Andrea Gnarini et al.2023 · 20 citationsarXiv
Pulsar-wind-nebula-powered Galactic center X-ray filament G0.13-0.11: Proof of the synchrotron nature by IXPE2312.04421v2 · Eugene Churazov, Ildar Khabibullin, Thibault Barnouin et al.2023 · 12 citationsA&A 686, A14 (2024)
X-ray Polarization of the Eastern Lobe of SS 4332311.16313v1 · Philip Kaaret, Riccardo Ferrazzoli, Stefano Silvestri et al.2023 · 17 citationsarXiv
Highly Significant Detection of X-Ray Polarization from the Brightest Accreting Neutron Star Sco X-12311.06359v3 · Fabio La Monaca, Alessandro Di Marco, Juri Poutanen et al.2023 · 39 citationsApJL 960 L11 (2024)
Tracking the X-ray Polarization of the Black Hole Transient Swift J1727.8-1613 during a State Transition2311.05497v3 · Adam Ingram, Niek Bollemeijer, Alexandra Veledina et al.2023 · 67 citationsarXiv
X-Ray Polarized View on the Accretion Geometry in the X-Ray Binary Circinus X-12311.04632v2 · John Rankin, Fabio La Monaca, Alessandro Di Marco et al.2023 · 27 citationsApJL 961 L8 (2024)
The detection of polarized x-ray emission from the magnetar 1E 2259+5862311.03637v1 · Jeremy Heyl, Roberto Taverna, Roberto Turolla et al.2023 · 21 citationsarXiv
X-ray Polarization Reveals the Precessions of the Neutron Star in Hercules X-12311.03667v1 · Jeremy Heyl, Victor Doroshenko, Denis Gonz'alez-Caniulef et al.2023 · 1 citationarXiv
IXPE observation confirms a high spin in the accreting black hole 4U 1957+1152310.11125v2 · L. Marra, M. Brigitte, N. Rodriguez Cavero et al.2023 · 25 citationsarXiv
Observations of Low and Intermediate Spectral Peak Blazars with the Imaging X-ray Polarimetry Explorer2310.11510v2 · Herman L. Marshall, Ioannis Liodakis, Alan P. Marscher et al.2023 · 18 citationsarXiv
Discovery of a variable energy-dependent X-ray polarization in the accreting neutron star GX 5-12310.06788v2 · Sergio Fabiani, Fiamma Capitanio, Rosario Iaria et al.2023 · 33 citationsarXiv
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