KH
Kenji Hamaguchi
astro-ph.SRastro-ph.HEastro-phastro-ph.GAastro-ph.IMastro-ph.COastro-ph.EPbinaries: generalphysics.ins-detstars: early-type
On Valency
published · living versionsW_gsm4ss7x·v1 · currentpublished
Distinguishing Circumstellar from Stellar Photometric Variability in Eta Carinae
with Augusto Damineli, Eduardo Fernández-Lajús, Leonardo A. Almeida, Michael Francis Corcoran +12
1 version
Preprints & journals
98 papers in the corpus · 1999–2026Chemical 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
XRISM view of a stellar flare: High-resolution Fe K spectra of HR 1099, an RS CVn-type star2512.15204v1 · Miki Kurihara, Masahiro Tsujimoto, Michael Loewenstein et al.2025 · 3 citationsPublications of the Astronomical Society of Japan (2025): psaf124
Origin of the stellar Fe K{\alpha} line clarified with FUV and X-ray observations of a superflare on the RS Canum Venaticorum-type Star UX Arietis2512.09750v1 · Shun Inoue, Wataru Buz Iwakiri, Tomoki Kimura et al.2025 · 0 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
Revealing the accelerating wind in the inner region of the colliding-wind binary WR 1122512.06066v1 · John D. Monnier, Yinuo Han, Michael F. Corcoran et al.2025 · 1 citationAstronomical Journal (AJ) 170, 218 (2025)
The Advanced X-ray Imaging Satellite (AXIS) Community Science Book2511.00253v2 · Michael Koss, Nafisa Aftab, Steven W. Allen et al.2025 · 3 citationsarXiv
Eclipsing Stellar Flare on the Demon Star Algol Binary System Observed during the MAXI-NICER Follow-up Campaign in 20182510.14587v2 · Kazuya Nakayama, Wataru Buz Iwakiri, Teruaki Enoto et al.2025 · 1 citationarXiv
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
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
Disentangling Multiple Gas Kinematic Drivers in the Perseus Galaxy Cluster2509.04421v2 · Marc Audard, Hisamitsu Awaki, Ralf Ballhausen et al.2025 · 14 citationsarXiv
XRISM/Resolve View of Abell 2319: Turbulence, Sloshing, and ICM Dynamics2508.05067v3 · Marc Audard, Hisamitsu Awaki, Ralf Ballhausen et al.2025 · 6 citationsarXiv
Verification of the Timing System for the X-ray Imaging and Spectroscopy Mission in the GPS Unsynchronized Mode2506.02967v1 · Megumi Shidatsu, Yukikatsu Terada, Takashi Kominato et al.2025 · 1 citationarXiv
Carbon-rich dust injected into the interstellar medium by Galactic WC binaries survives for hundreds of years2505.11616v2 · Noel D. Richardson, Micaela Henson, Emma P. Lieb et al.2025 · 8 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
XRISM forecast for the Coma cluster: stormy, with a steep power spectrum2504.20928v1 · Marc Audard, Hisamitsu Awaki, Ralf Ballhausen et al.2025 · 32 citationsarXiv
Spectroscopic diagnostics of high-temperature plasma in stellar corona using Fe XXIV--XXVI K-shell lines with XRISM2504.06663v1 · Miki Kurihara, Masahiro Tsujimoto, Marc Audard et al.2025 · 0 citationsarXiv
Development of the Timing System for the X-Ray Imaging and Spectroscopy Mission2503.13807v1 · Yukikatsu Terada, Megumi Shidatsu, Makoto Sawada et al.2025 · 3 citationsarXiv
Dynamic Imprints of Colliding-wind Dust Formation from WR1402502.02738v1 · Emma P. Lieb, Ryan M. Lau, Jennifer L. Hoffman et al.2025 · 12 citationsThe ApJL Vol. 979 (2025) Num. 1
High-velocity blue-shifted Fe XXV He line during a superflare of the RS CVn-type star IM Peg2406.06940v1 · Shun Inoue, Wataru Buz Iwakiri, Teruaki Enoto et al.2024 · 1 citationarXiv
High-energy extension of the gamma-ray band observable with an electron-tracking Compton camera2403.05128v1 · Tomohiko Oka, Shingo Ogio, Mitsuru Abe et al.2024 · 5 citationsNucl. Instrum. Methods Phys. Res. A 1063, 169242 (2024)
X-ray plasma flow and turbulence in the colliding winds of WR1402401.00977v1 · Asca Miyamoto, Yasuharu Sugawara, Yoshitomo Maeda et al.2024 · 1 citationarXiv
APO & SMARTS flare star campaign observations I. Blue wing asymmetries in chromospheric lines during mid M dwarf flares from simultaneous spectroscopic and photometric observation data2310.02450v1 · Yuta Notsu, Adam F. Kowalski, Hiroyuki Maehara et al.2023 · 43 citationsarXiv
Eta Carinae: the dissipating occulter is an extended structure2305.13216v1 · Theodore R. Gull, Henrik Hartman, Mairan Teodoro et al.2023 · 3 citationsarXiv
Delayed Development of Cool Plasmas in X-ray Flares from kappa1 Ceti2301.01377v1 · Kenji Hamaguchi, Jeffrey W. Reep, Vladimir Airapetian et al.2023 · 9 citationsarXiv
The long-term spectral changes of eta Carinae: are they caused by a dissipating occulter as indicated by CMFGEN models?2211.01445v2 · A. Damineli, D. J. Hillier, F. Navarete et al.2022 · 2 citationsarXiv
Nested Dust Shells around the Wolf-Rayet Binary WR 140 observed with JWST2210.06452v1 · Ryan M. Lau, Matthew J. Hankins, Yinuo Han et al.2022 · 59 citationsLau, R.M., Hankins, M.J., Han, Y. et al. Nested dust shells around the Wolf-Rayet binary WR 140 observed with JWST. Nat Astron (2022)
NICER X-ray Observations of Eta Carinae During its Most Recent Periastron Passage2207.03457v1 · David Espinoza-Galeas, Michael Francis Corcoran, Kenji Hamaguchi et al.2022 · 7 citationsarXiv
Eta Carinae: an evolving view of the central binary, its interacting winds and its foreground ejecta2205.15116v1 · Theodore R. Gull, D. John Hillier, Henrik Hartman et al.2022 · 7 citationsarXiv
Competitive X-ray and Optical Cooling in the Collisionless Shocks of WR 1402109.10350v1 · A. M. T. Pollock, M. F. Corcoran, I. R. Stevens et al.2021 · 17 citationsarXiv
Simultaneous Multiwavelength Flare Observations of EV Lacertae2108.04753v1 · Rishi R. Paudel, Thomas Barclay, Joshua E. Schlieder et al.2021 · 41 citationsarXiv
First observation of MeV gamma-ray universe with bijective imaging spectroscopy using the Electron-Tracking Compton Telescope aboard SMILE-2+2107.00180v2 · Atsushi Takada, Taito Takemura, Kei Yoshikawa et al.2021 · 27 citationsThe Astrophyssical Journal, Volume 930 (2022), 6
Conditions in the WR 140 wind-collision region revealed by the 1.083-micron He I line profile2102.09445v1 · Peredur M. Williams, Watson P. Varricatt, Andr'e-Nicolas Chen'e et al.2021 · 8 citationsarXiv
The high-energy emission from HD~93129A near periastron2004.10032v1 · S. del Palacio, F. Garc'ia, D. Altamirano et al.2020 · 7 citationsarXiv
Suzaku Observation of Diffuse X-Ray Emission from a Southwest Region of the Carina Nebula1909.00501v1 · Yuichiro Ezoe, Kenji Hamaguchi, Aoto Fukushima et al.2019 · 2 citationsarXiv
A Space-based All-sky MeV gamma-ray Survey with the Electron Tracking Compton Camera1907.06658v1 · Kenji Hamaguchi, Toru Tanimori, Atsushi Takada et al.2019 · 7 citationsarXiv
Energetic Particles of Cosmic Accelerators I: Galactic Accelerators1903.04634v1 · Tonia M. Venters, Kenji Hamaguchi, Terri J. Brandt et al.2019 · 3 citationsarXiv
Energetic Particles of Cosmic Accelerators II: Active Galactic Nuclei and Gamma-ray Bursts1903.04639v1 · Tonia M. Venters, Sylvain Guiriec, Amy Y. Lien et al.2019 · 4 citationsarXiv
Distinguishing Circumstellar from Stellar Photometric Variability in Eta Carinae1901.00531v1 · Augusto Damineli, Eduardo Fern'andez-Laj'us, Leonardo A. Almeida et al.2019 · 23 citationsarXivon Valency
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
BRITE-Constellation reveals evidence for pulsations in the enigmatic binary Carinae1801.05445v1 · Noel D. Richardson, Herbert Pablo, Christiaan Sterken et al.2018 · 14 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
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
Hitomi X-ray studies of Giant Radio Pulses from the Crab pulsar1707.08801v2 · Felix Aharonian, Hiroki Akamatsu, Fumie Akimoto et al.2017 · 21 citationsarXiv
The fossil wind structures of Eta Carinae: changes across on 5.54-year cycle1608.06193v1 · Theodore R. Gull, Thomas I. Madura, Mairan Teodoro et al.2016 · 30 citationsarXiv
Discovery of Rapidly Moving Partial X-ray Absorbers within gamma Cassiopeiae1608.01374v1 · K. Hamaguchi, L. Oskinova, C. M. P. Russell et al.2016 · 35 citationsarXiv
Panchromatic Imaging of a Transitional Disk: The Disk of GM Aur in Optical and FUV Scattered Light1607.03520v1 · Jeremy Hornbeck, Jeremy Swearingen, Carol Grady et al.2016 · 13 citationsarXiv
To and beyond! The He I absorption variability across the 2014.6 periastron passage of Carinae1606.03655v1 · Noel D. Richardson, Thomas I. Madura, Lucas St-Jean et al.2016 · 23 citationsarXiv
Career total: at least 342 works. 98 are in this corpus.Showing the 50 most recent.
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