Takao Kitaguchi 研究室

主宰者：Takao Kitaguchi

理化学研究所

AI 要約（直近 5 年の研究成果）

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※ AI（Claude）が、公開されている論文要旨から研究の問い・手法・主要な発見を事実情報として抽出・再構成して自動生成しています。誤りを含む可能性があるため、正確性は研究室公式情報でご確認ください。

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研究成果（76 件）

[2026] Super-Eddington Accretion Geometry: A Remarkable Stability of the Hidden Ultraluminous X-Ray Source Cygnus X-3
DOI: https://doi.org/10.3847/1538-4357/ae7366
[2025] Evidence of non-solar elemental composition in the clocked X-ray burster SRGA J144459.2-604207
DOI: https://doi.org/10.1093/pasj/psae117
[2025] X-Ray Polarization of the High-synchrotron-peak BL Lacertae Object 1ES 1959+650 during Intermediate and High X-Ray Flux States
DOI: https://doi.org/10.3847/1538-4357/adbbe2
[2025] IXPE observation of the low-synchrotron peaked blazar S4 0954+65 during an optical-X-ray flare
DOI: https://doi.org/10.1051/0004-6361/202453127
[2025] Verification of timing measurement and demonstration of pulsar-based navigation with the CubeSat x-ray observatory NinjaSat
DOI: https://doi.org/10.1117/12.3063833
[2025] X-Ray Polarization Detection of the Pulsar Wind Nebula in G21.5–0.9 with IXPE
DOI: https://doi.org/10.3847/1538-4357/adf6b5
[2025] In-orbit science operations for the X-Ray Imaging and Spectroscopy Mission
DOI: https://doi.org/10.1117/1.jatis.11.4.042017
[2025] Thermonuclear Superburst of MAXI J1752−457 Observed with NinjaSat and MAXI
DOI: https://doi.org/10.3847/2041-8213/addd00
[2025] High Optical-to-X-Ray Polarization Ratio Reveals Compton Scattering in BL Lacertae’s Jet
DOI: https://doi.org/10.3847/2041-8213/adc572
[2025] NinjaSat: Astronomical X-ray CubeSat observatory
DOI: https://doi.org/10.1093/pasj/psaf014

続きを表示（残り 66 件）

[2025] NinjaSat monitoring of Type I X-ray bursts from the clocked burster SRGA J144459.2–604207
DOI: https://doi.org/10.1093/pasj/psaf003
[2024] An IXPE-led X-Ray Spectropolarimetric Campaign on the Soft State of Cygnus X-1: X-Ray Polarimetric Evidence for Strong Gravitational Lensing
DOI: https://doi.org/10.3847/2041-8213/ad58e4
[2024] IXPE observation of PKS 2155–304 reveals the most highly polarized blazar
DOI: https://doi.org/10.1051/0004-6361/202449166
[2024] Cygnus X-3 revealed as a Galactic ultraluminous X-ray source by IXPE
DOI: https://doi.org/10.1038/s41550-024-02294-9
[2024] Tracking the X-Ray Polarization of the Black Hole Transient Swift J1727.8–1613 during a State Transition
DOI: https://doi.org/10.3847/1538-4357/ad3faf
[2024] Pulsar-wind-nebula-powered Galactic center X-ray filament G0.13–0.11
DOI: https://doi.org/10.1051/0004-6361/202349080
[2024] X-Ray Polarization of the Black Hole X-Ray Binary 4U 1630–47 Challenges the Standard Thin Accretion Disk Scenario
DOI: https://doi.org/10.3847/1538-4357/ad226e
[2024] X-Ray Polarimetry of the Dipping Accreting Neutron Star 4U 1624–49
DOI: https://doi.org/10.3847/1538-4357/ad235a
[2024] First Detection of Polarization in X-Rays for PSR B0540-69 and Its Nebula
DOI: https://doi.org/10.3847/1538-4357/ad17ba
[2024] XRISM衛星アーカイブに向けた地上高次データ処理の開発
[2024] Highly Significant Detection of X-Ray Polarization from the Brightest Accreting Neutron Star Sco X-1
DOI: https://doi.org/10.3847/2041-8213/ad132d
[2024] Complex rotational dynamics of the neutron star in Hercules X-1 revealed by X-ray polarization
DOI: https://doi.org/10.1038/s41550-024-02295-8
[2024] X-Ray Polarized View of the Accretion Geometry in the X-Ray Binary Circinus X-1
DOI: https://doi.org/10.3847/2041-8213/ad1832
[2024] X-Ray Polarization of the Eastern Lobe of SS 433
DOI: https://doi.org/10.3847/2041-8213/ad103b
[2024] Evidence for a shock-compressed magnetic field in the northwestern rim of Vela Jr. from X-ray polarimetry
DOI: https://doi.org/10.1051/0004-6361/202452062
[2024] X-Ray and Multiwavelength Polarization of Mrk 501 from 2022 to 2023
DOI: https://doi.org/10.3847/1538-4357/ad63a1
[2024] 硬X線集光偏光計XL-Calibur計画の2024年フライト
[2024] Analysis of Crab X-Ray Polarization Using Deeper Imaging X-Ray Polarimetry Explorer Observations
DOI: https://doi.org/10.3847/1538-4357/ad6309
[2024] Probing the polarized emission from SMC X-1: The brightest X-ray pulsar observed by IXPE
DOI: https://doi.org/10.1051/0004-6361/202450937
[2024] Studying geometry of the ultraluminous X-ray pulsar Swift J0243.6+6124 using X-ray and optical polarimetry
DOI: https://doi.org/10.1051/0004-6361/202450696
[2024] The in-orbit XRISM science operations
DOI: https://doi.org/10.1117/12.3018908
[2024] Discovery of a strong rotation of the X-ray polarization angle in the galactic burster GX 13+1
DOI: https://doi.org/10.1051/0004-6361/202449318
[2023] Complex variations in X-ray polarization in the X-ray pulsar LS V +44 17/RX J0440.9+4431
DOI: https://doi.org/10.1051/0004-6361/202347088
[2023] X-Ray Polarization of the BL Lacertae Type Blazar 1ES 0229+200
DOI: https://doi.org/10.3847/1538-4357/ad05c4
[2023] The detection of polarized X-ray emission from the magnetar 1E 2259+586
DOI: https://doi.org/10.1093/mnras/stad3680
[2023] First X-Ray Polarization Measurement Confirms the Low Black Hole Spin in LMC X-3
DOI: https://doi.org/10.3847/1538-4357/ad0842
[2023] Discovery of a variable energy-dependent X-ray polarization in the accreting neutron star GX 5−1
DOI: https://doi.org/10.1051/0004-6361/202347374
[2023] The First X-Ray Polarization Observation of the Black Hole X-Ray Binary 4U 1630–47 in the Steep Power-law State
DOI: https://doi.org/10.3847/2041-8213/acfd2c
[2023] Magnetic Structures and Turbulence in SN 1006 Revealed with Imaging X-Ray Polarimetry
DOI: https://doi.org/10.3847/1538-4357/acf3e6
[2023] Magnetic field properties inside the jet of Mrk 421
DOI: https://doi.org/10.1051/0004-6361/202347408
[2023] The Polarized Cosmic Hand: IXPE Observations of PSR B1509−58/MSH 15−5<sup>2</sup>
DOI: https://doi.org/10.3847/1538-4357/acfa02
[2023] 硬Ｘ線集光偏光計XL-Calibur 気球実験の2024 年フライトへ向けた準備状況
[2023] The Imaging x-ray polarimetry explorer (IXPE) at last!
DOI: https://doi.org/10.1117/12.2677296
[2023] IXPE and XMM-Newton Observations of the Soft Gamma Repeater SGR 1806–20
DOI: https://doi.org/10.3847/1538-4357/aced05
[2023] X-ray polarimetry of the accreting pulsar GX 301−2
DOI: https://doi.org/10.1051/0004-6361/202346994
[2023] IXPE and Multiwavelength Observations of Blazar PG 1553+113 Reveal an Orphan Optical Polarization Swing
DOI: https://doi.org/10.3847/2041-8213/acec3e
[2023] First Detection of X-Ray Polarization from the Accreting Neutron Star 4U 1820−303
DOI: https://doi.org/10.3847/2041-8213/acec6e
[2023] Discovery of X-Ray Polarization from the Black Hole Transient Swift J1727.8−1613
DOI: https://doi.org/10.3847/2041-8213/ad0781
[2023] X-ray polarization evidence for a 200-year-old flare of Sgr A*
DOI: https://doi.org/10.1038/s41586-023-06064-x
[2023] Discovery of strongly variable X-ray polarization in the neutron star low-mass X-ray binary transient XTE J1701−462
DOI: https://doi.org/10.1051/0004-6361/202346275
[2023] X-ray pulsar GRO J1008−57 as an orthogonal rotator
DOI: https://doi.org/10.1051/0004-6361/202346134
[2023] A polarimetrically oriented X-ray stare at the accreting pulsar EXO 2030+375
DOI: https://doi.org/10.1051/0004-6361/202346581
[2023] X-Ray Polarization of BL Lacertae in Outburst
DOI: https://doi.org/10.3847/2041-8213/acd242
[2023] Simultaneous space and phase resolved X-ray polarimetry of the Crab pulsar and nebula
DOI: https://doi.org/10.1038/s41550-023-01936-8
[2023] IXPE Observations of the Quintessential Wind-accreting X-Ray Pulsar Vela X-1
DOI: https://doi.org/10.3847/2041-8213/acc391
[2023] X-Ray Polarimetry Reveals the Magnetic-field Topology on Sub-parsec Scales in Tycho’s Supernova Remnant
DOI: https://doi.org/10.3847/1538-4357/acb496
[2023] The IXPE View of GRB 221009A
DOI: https://doi.org/10.3847/2041-8213/acba17
[2023] Polarization Properties of the Weakly Magnetized Neutron Star X-Ray Binary GS 1826–238 in the High Soft State
DOI: https://doi.org/10.3847/1538-4357/acae88
[2023] A Strong X-Ray Polarization Signal from the Magnetar 1RXS J170849.0-400910
DOI: https://doi.org/10.3847/2041-8213/acb703
[2022] Vela pulsar wind nebula X-rays are polarized to near the synchrotron limit
DOI: https://doi.org/10.1038/s41586-022-05476-5
[2022] The X-Ray Polarimetry View of the Accreting Pulsar Cen X-3
DOI: https://doi.org/10.3847/2041-8213/aca486
[2022] Polarized blazar X-rays imply particle acceleration in shocks
DOI: https://doi.org/10.1038/s41586-022-05338-0
[2022] Polarized x-rays constrain the disk-jet geometry in the black hole x-ray binary Cygnus X-1
DOI: https://doi.org/10.1126/science.add5399
[2022] Polarized x-rays from a magnetar
DOI: https://doi.org/10.1126/science.add0080
[2022] Observations of 4U 1626–67 with the Imaging X-Ray Polarimetry Explorer
DOI: https://doi.org/10.3847/1538-4357/ac98c2
[2022] Determination of X-ray pulsar geometry with IXPE polarimetry
DOI: https://doi.org/10.1038/s41550-022-01799-5
[2022] The X-Ray Polarization View of Mrk 421 in an Average Flux State as Observed by the Imaging X-Ray Polarimetry Explorer
DOI: https://doi.org/10.3847/2041-8213/ac913a
[2022] X-Ray Polarization Detection of Cassiopeia A with IXPE
DOI: https://doi.org/10.3847/1538-4357/ac8b7b
[2022] Limits on X-Ray Polarization at the Core of Centaurus A as Observed with the Imaging X-Ray Polarimetry Explorer
DOI: https://doi.org/10.3847/1538-4357/ac8056
[2022] Xappl: software framework for the XRISM pre-pipeline
DOI: https://doi.org/10.1117/12.2629316
[2022] Optical performance of the x-ray telescope for the XL-Calibur experiment
DOI: https://doi.org/10.1117/12.2626537
[2021] Application of a new X-ray reflection model to V1223 Sagittarii
DOI: https://doi.org/10.1093/mnras/stab809
[2021] The Instrument of the Imaging X-Ray Polarimetry Explorer
DOI: https://doi.org/10.3847/1538-3881/ac19b0
[2021] X線偏光観測衛星 IXPE 開発の現状
[2021] XRISM衛星科学運用に向けた準備進捗/2020年度
[2021] 日本チームによるIXPE衛星の偏光観測シミュレーションの現状

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AI 要約（直近 5 年の研究成果）

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研究成果（76 件）

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