DH
D. Hiramatsu
astro-ph.HEastro-ph.SRastro-ph.GAastro-ph.COastro-ph.IMAstrophysical dusthep-phTime-domain astronomy
On Valency
published · living versionsW_ahvq3aca·v1 · currentpublished
Observations of the luminous red nova AT 2021biy in the nearby galaxy NGC 4631
with Y. -Z. Cai, A. Pastorello, M. Fraser, X. -F. Wang +71
1 version
W_sbs5vbmv·v1published
W_hgdhhj89·v1published
W_w8534efx·v1published
Preprints & journals
186 papers in the corpus · 2017–2026Nearby Supernova Science in the Era of High Cadence, Deep Time Domain Surveys2609.38304v1 · David J. Sand, Bhagya Subrayan, Conor L. Ransome et al.2026 · 0 citationsarXiv
The 91T/99aa-like Type Ia Supernova 2019vrq, Part I: Photometry, Spectroscopy, and Spectropolarimetry of a Nearly Standard Candle2609.31510v1 · Yi Yang, Peter Hoeflich, J. Craig Wheeler et al.2026 · 0 citationsarXiv
Tomography analysis of the intermediate-luminosity Type Iax SN 2024pxl2609.28712v1 · Barnab'as Barna, Mridweeka Singh, Lindsey A. Kwok et al.2026 · 0 citationsarXiv
Extragalactic Multi-Band Exploration of Red Supergiants (EMBERS): Pipeline, Source Classification, and Bolometric Properties of 101,219 Red Supergiants from James Webb Space Telescope Imaging2609.19344v1 · Aswin Suresh, Charles D. Kilpatrick, Wen-fai Fong et al.2026 · 0 citationsarXiv
Overmassive No More: The Case for Little Red Dots Hosting Black Hole Seeds as Massive as Single Supermassive Stars2609.09274v1 · Wendy Q. Sun, Rohan P. Naidu, Hanpu Liu et al.2026 · 0 citationsarXiv
Multi-Wavelength Identification of a Luminous Mid-Infrared Supernova Powered by Circumstellar Interaction with Binary-Driven Pre-supernova Mass Loss2609.09520v1 · Kohki Uno, Kishalay De, Geoffrey Mo et al.2026 · 0 citationsarXiv
SN 2019cqc: A Hydrogen-rich Superluminous Supernova Showing Electron-Scattering Signatures2608.30309v1 · Dinesh Hebbar, Rupak Roy, Matt Nicholl et al.2026 · 0 citationsarXiv
SN 2021pfs: A Type Ia Supernova Likely Affected by Progenitor Metallicity, as Revealed by Comparison with Its Twin Counterpart2608.19929v2 · Abdusamatjan Iskandar, Xiaofeng Wang, Ali Esamdin et al.2026 · 0 citationsScience China Physics, Mechanics & Astronomy, 2026, Volume 69, Issue 9, id.299511
No Evidence for Nearby Circumstellar Material in the Type Ia Supernova 2025rbs2608.13655v1 · Aravind P. Ravi, Griffin Hosseinzadeh, Stefano Valenti et al.2026 · 0 citationsarXiv
Wild behaviour near the finish line: the Type Ibn SN 2020able and its stratified environment2608.07661v1 · L. Tartaglia, E. Cappellaro, G. Valerin et al.2026 · 0 citationsarXiv
AT 2022csn: A Photometrically Peculiar Optical/UV Tidal Disruption Event in a Type II AGN2608.02725v1 · Yael Dgany, Iair Arcavi, Grisha Zeltyn et al.2026 · 0 citationsarXiv
No Surviving Companion to the Galactic SN 1181: Evidence for a Double-Degenerate Channel for Type Iax Supernovae2607.19705v1 · Kohki Uno, Daichi Tsuna, Daichi Hiramatsu et al.2026 · 0 citationsarXiv
Superlinear Type II Superluminous Supernovae 2017fck and 2019cmv: A Possible Origin from Interacting Thermonuclear Supernovae2607.12040v1 · Daichi Hiramatsu, Takashi J. Moriya, D. Andrew Howell et al.2026 · 0 citationsarXiv
SN 2020bij and a Possible Slow-Rise High-Velocity Subclass of Type IIP Supernovae2607.02253v1 · Sondos Mohsen-Tanev, Iair Arcavi, Shahar Bracha et al.2026 · 0 citationsarXiv
First Results from the LSST Shadow Survey: The Restless Luminous Blue Variable AT2017des in the Virgo-Cluster Galaxy, NGC45322606.23784v1 · Conor L. Ransome, Bhagya M. Subrayan, David J. Sand et al.2026 · 0 citationsarXiv
Electron-capture Supernova Candidates from Light Curves: Implications for Their Progenitors and Explosion Properties2606.14044v1 · Masato Sato, Nozomu Tominaga, Sergei I. Blinnikov et al.2026 · 0 citationsApJ 1004 156 (2026)
The pair-instability origin of supernova 2023vbw2605.16487v1 · Daichi Hiramatsu, Edo Berger, Daichi Tsuna et al.2026 · 0 citationsarXiv
Early interaction signatures and an extended plateau phase in Type II SN 2020aze2605.06313v1 · B. Ailawadhi, R. Dastidar, K. Misra et al.2026 · 0 citationsarXiv
Las Cumbres Observatory Gravitational-Wave Follow-up in the Third and Fourth Observing Runs: Strengths and Weaknesses of a Rapid Response Galaxy Targeted Strategy2604.15129v2 · Ido Keinan, Iair Arcavi, D. Andrew Howell et al.2026 · 0 citationsThe Astrophysical Journal, Volume 1004 (2026), Number 2
Distance estimate to NGC 6951 from supernova siblings Type IIP SN 2020dpw and Type Ib SN 2021sjt2603.24769v1 · R'eka Konyves-T'oth, Zs'ofia Bodola, Tam'as Szalai et al.2026 · 0 citationsarXiv
Lense-Thirring precessing magnetar engine drives a superluminous supernova.41814026 · Farah, Joseph R, Prust, Logan J, Howell, D Andrew et al.2026 · 7 citationsNature. 2026;651(8105):321-325
Spectral and photometric variability of SS 433 observed with XRISM and simultaneous optical and near-infrared telescopes2602.21661v1 · Yusuke Sakai, Shinya Yamada, Yuta Okada et al.2026 · 4 citationsPubl. Astron. Soc. Jpn. 78, 436 (2026)
The nearby He-rich superluminous supernova SN 2021bnw during photospheric phases2602.12948v3 · A. Fiore, A. Kozyreva, L. Yan et al.2026 · 1 citationA&A 710, A221 (2026)
A Faint Progenitor System for the Faint Supernova 2024vjm2602.09096v2 · Erez A. Zimmerman, Avishay Gal-Yam, Paul J. Groot et al.2026 · 0 citationsarXiv
A multiwavelength view of the nearby Calcium-Strong Transient SN 2025coe in the X-Ray, Near-Infrared, and Radio Wavebands2601.19018v2 · Sahana Kumar, Raphael Baer-Way, Aravind P. Ravi et al.2026 · 0 citationsThe Astrophysical Journal, July 2026, Volume 1005, Issue 1, id.98
A Study of Two Type IIb Supernovae: SNe 2008aq and 2019gaf2601.07450v1 · Mridweeka Singh, Devendra K. Sahu, Raya Dastidar et al.2026 · 0 citationsarXiv
SN 2024abfl: A Flat-Plateau, Low-Luminosity Type IIP Supernova with Early CSM Interaction2601.02638v1 · Madison Gerard, Jennifer E. Andrews, Geoffrey C. Clayton et al.2026 · 0 citationsarXiv
The Double-Peaked Calcium-Strong SN 2025coe: Progenitor Constraints from Early Interaction and Ejecta Asymmetries2601.00415v2 · Aravind P. Ravi, Sahana Kumar, Raphael Baer-Way et al.2026 · 2 citationsarXiv
SN 2024afav: A Superluminous Supernova with Multiple Light Curve Bumps and Spectroscopic Signatures of Circumstellar Interaction2512.06067v1 · Harsh Kumar, Peter K. Blanchard, Edo Berger et al.2025 · 4 citationsarXiv
SN 2021ukt: A Transitional Supernova with a Short Plateau and Persistent Interaction2511.22923v1 · Neil R. Pichay, Sergiy S. Vasylyev, Audrey M. Liddle et al.2025 · 0 citationsarXiv
Hydrogen-Poor Superluminous Supernovae in the Nebular Phase: Spectral Diversity Due to Ejecta Ionization as a Probe of the Power Source2511.10747v1 · Peter K. Blanchard, Edo Berger, Sebastian Gomez et al.2025 · 2 citationsarXiv
Optimizing Kilonova Searches: A Case Study of the Type IIb SN 2025ulz in the Localization Volume of the Low-Significance Gravitational Wave Event S250818k2510.17104v2 · Noah Franz, Bhagya Subrayan, Charles D. Kilpatrick et al.2025 · 10 citationsarXiv
SN 2021tsz: A luminous, short photospheric phase Type II supernova in a low-metallicity host2510.05426v1 · R. Dastidar, G. Pignata, N. Dukiya et al.2025 · 0 citationsA&A 703, A224 (2025)
When IIb Ceases To Be: Bridging the Gap Between IIb and Short-plateau Supernovae2509.12470v1 · Joseph R. Farah, D. Andrew Howell, Daichi Hiramatsu et al.2025 · 2 citationsarXiv
SN 2019hnl: A Type IIP Supernova with a Partially Stripped, Low Mass Progenitor2509.03732v1 · Aidan Martas, Stefano Valenti, Aravind P. Ravi et al.2025 · 0 citationsarXiv
Tip of the Red Giant Branch Distances to NGC 1316, NGC 1380, NGC 1404, & NGC 4457: A Pilot Study of a Parallel Distance Ladder Using Type Ia Supernovae in Early-Type Host Galaxies2508.20023v2 · Max J. B. Newman, Conor Larison, Saurabh W. Jha et al.2025 · 0 citationsarXiv
James Webb Space Telescope Observations of the Nearby and Precisely-Localized FRB 20250316A: A Potential Near-IR Counterpart and Implications for the Progenitors of Fast Radio Bursts2506.19007v1 · Peter K. Blanchard, Edo Berger, Shion E. Andrew et al.2025 · 4 citationsarXiv
Progenitor Insights of Type IIP SN 2018pq: A Comprehensive Photometric and Spectroscopic Study2506.16148v1 · Monalisa Dubey, Kuntal Misra, Raya Dastidar et al.2025 · 6 citationsarXiv
Massive stars exploding in a He-rich circumstellar medium. XI. Diverse evolution of five Ibn SNe 2020nxt, 2020taz, 2021bbv, 2023utc and 2024aej2506.15139v1 · Z.-Y. Wang, A. Pastorello, Y.-Z. Cai et al.2025 · 8 citationsA&A 700, A156 (2025)
A Detection of Helium in the Bright Superluminous Supernova SN 2024rmj2506.06417v1 · Harsh Kumar, Edo Berger, Peter K. Blanchard et al.2025 · 4 citationsarXiv
Final Moments III: Explosion Properties and Progenitor Constraints of CSM-Interacting Type II Supernovae2505.04698v1 · W. V. Jacobson-Gal'an, L. Dessart, K. W. Davis et al.2025 · 11 citationsarXiv
Photometry and Spectroscopy of SN 2024pxl: A Luminosity Link Among Type Iax Supernovae2505.02943v2 · Mridweeka Singh, Lindsey A. Kwok, Saurabh W. Jha et al.2025 · 1 citationarXiv
JWST and Ground-based Observations of the Type Iax Supernovae SN 2024pxl and SN 2024vjm: Evidence for Weak Deflagration Explosions2505.02944v2 · Lindsey A. Kwok, Mridweeka Singh, Saurabh W. Jha et al.2025 · 14 citationsThe Astrophysical Journal Letters, Volume 989, Issue 2, id.L33, 24 pp., August 2025
Supernovae at Distances < 40 Mpc: I.Catalogues and fractions of Supernovae in a Complete Sample2504.04393v1 · Xiaoran Ma, Xiaofeng Wang, Jun Mo et al.2025 · 1 citationarXiv
Supernovae at Distances < 40 Mpc: II. Supernova Rate in the Local Universe2504.04507v2 · Xiaoran Ma, Xiaofeng Wang, Jun Mo et al.2025 · 0 citationsarXiv
A long-lasting eruption heralds SN 2023ldh, a clone of SN 2009ip2503.23123v2 · A. Pastorello, A. Reguitti, L. Tartaglia et al.2025 · 6 citationsA&A 701, A32 (2025)
The Type I Superluminous Supernova Catalogue II: Spectroscopic Evolution in the Photospheric Phase, Velocity Measurements, and Constraints on Diversity2503.21874v2 · Aysha Aamer, Matt Nicholl, Sebastian Gomez et al.2025 · 12 citationsMon Not R Astron Soc (2025) 2674-2706
SN 2021hpr: A Normal Type Ia Supernova Showing Excess Emission in the Early Rising Phase2503.02257v2 · Abdusamatjan Iskandar, Xiaofeng Wang, Ali Esamdin et al.2025 · 2 citationsarXiv
Evidence for an Instability-Induced Binary Merger in the Double-Peaked, Helium-Rich Type IIn Supernova 2023zkd2502.19469v1 · A. Gagliano, V. A. Villar, T. Matsumoto et al.2025 · 3 citationsarXiv
Rapid follow-up observations of infant supernovae with the Gran Telescopio Canarias2501.19108v2 · Llu'is Galbany, Claudia P. Guti'errez, Lara Piscarreta et al.2025 · 3 citationsarXiv
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