DH
D. Andrew Howell
astro-ph.HEastro-ph.SRastro-ph.COastro-ph.GAastro-phastro-ph.IMcs.CVgr-qcAstrophysical dustcs.HC
On Valency
published · living versionsW_d542pfvb·v1 · currentpublished
Energetic eruptions leading to a peculiar hydrogen-rich explosion of a massive star
with Iair Arcavi, Daniel Kasen, Lars Bildsten, Griffin Hosseinzadeh +48
1 version
W_hkqv4xyy·v1published
W_ahvq3aca·v1published
W_sbs5vbmv·v1published
W_hgdhhj89·v1published
W_84t6b77w·v1published
W_emjg3scx·v1published
W_h539n4b3·v1published
W_ckhkr7yr·v1published
W_ysaunk8e·v1published
Preprints & journals
375 papers in the corpus · 1999–2026Nearby 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
Early NIR echo and the time variable mass loss history of Type IIn SN 2024kgi2609.25233v1 · Naveen Dukiya, Kuntal Misra, Andrea Pastorello et al.2026 · 0 citationsarXiv
SN 2025fhm: A central-engine powered Ic-BL supernova associated with X-ray transient EP250304a2609.08356v1 · Cui-Ying Song, Nan Jiang, Xiaofeng Wang 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
AT 2016blu: Accretion-Powered Outbursts in a Luminous Blue Variable and Compact Object Binary2608.20469v1 · Mojgan Aghakhanloo, N'uria Torres-Alba, Nathan Smith et al.2026 · 0 citationsarXiv
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
JWST Spectroscopy of Type Ia Supernova 2025rbs from Maximum Light to the Nebular Phase2608.10451v1 · Lindsey A. Kwok, St'ephane Blondin, Adam A. Miller 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
SN 2022xus: bridging the gap between Type IIP and IIL supernovae2607.25323v1 · Monalisa Dubey, Kuntal Misra, Naveen Dukiya et al.2026 · 0 citationsarXiv
4th TDAMM Workshop White Paper2607.22404v1 · Daniel Kocevski, Raffaella Margutti, Michael Coughlin 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
Evidence for Asymmetric Ejecta and Circumstellar Material in SN 2023ixf Inferred from Extensive Nebular-phase Observations2607.02859v1 · Brian Hsu, Nathan Smith, K. Azalee Bostroem 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
JWST Observations of Calcium-Strong Transients: I. Complex Nebular He Emission in SN 2024uj2607.00111v1 · Saarah Hall, Lindsey A. Kwok, Aravind P. Ravi et al.2026 · 0 citationsarXiv
SN 2023rve: A Type II Supernova with No Nebular Oxygen2606.30979v3 · Melissa Rosowsky, Stefano Valenti, Aravind P. Ravi et al.2026 · 0 citationsarXiv
JWST observations of SN 2024abup: First Detection of CO in a broad-lined Type Ic Supernova and Constraints on r-process Nucleosynthesis2606.28561v1 · Manisha Shrestha, Lindsey A. Kwok, David J. Sand et al.2026 · 0 citationsarXiv
EP251023a: A fast X-ray transient featuring a magnetar-powered optical internal plateau followed by a steep decay2606.24329v1 · Shuai-Qing Jiang, Dong Xu, Wei-Hua Lei 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
The transitional Type Ibn/IIn SN 2022pda, with pre-explosion outbursts and a double-peaked light curve2605.25823v1 · Y.-Z. Cai, A. Pastorello, R. Chiba et al.2026 · 0 citationsarXiv
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
The Eye of Sauron in SN 2025ngs: a Short-plateau Cousin of SN 1998S with Evidence for a Ring-like Circumstellar Medium2605.05380v1 · Conor L. Ransome, David J. Sand, K. Azalee Bostroem 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
JWST Nebular Spectroscopy of SN 2023qov: Circumstellar Dust Emission in a Normal Type Ia Supernova2604.09777v2 · Colin W. Macrie, Conor Larison, Huei Sears et al.2026 · 0 citations2026 ApJ 1009 241
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
The extremely low-luminosity Type Iax SNe 2022ywf and 2023zgx2602.23175v1 · Barnab'as Barna, Dominik B'anhidi, Tam'as Szalai et al.2026 · 0 citationsA&A 710, A72 (2026)
SN 2024abvb: a Type Ibn/Icn supernova with evidence of helium and an extreme offset from its host galaxy2602.20775v1 · Callum Aster, Cosimo Inserra, Andrea Pastorello et al.2026 · 3 citationsarXiv
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
SN 2023zcu: A Type IIP SN with Early Flash Features2601.14830v1 · Monalisa Dubey, Kuntal Misra, G'eza Csornyei et al.2026 · 1 citationarXiv
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
EP250827b/SN 2025wkm: An X-ray Flash-Supernova Powered by a Central Engine and Circumstellar Interaction2512.10239v3 · Gokul P. Srinivasaragavan, Dongyue Li, Xander J. Hall et al.2025 · 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
Spectral Diversity in Type Ibn Supernovae and the Large Host Offset of SN2024acyl2511.03926v2 · Yize Dong, V. Ashley Villar, Anya Nugent et al.2025 · 0 citationsarXiv
SN 2024iss: A Double-peaked Type IIb Supernova with Evidence of Circumstellar Interaction2510.22997v1 · Liyang Chen, Xiaofeng Wang, Qinyu Wu et al.2025 · 2 citationsA&A 710, A33 (2026)
JWST Spectroscopy of SN Ia 2022aaiq and 2024gy: Evidence for Enhanced Central Stable Ni Abundance and a Deflagration-to-Detonation Transition2510.09760v3 · Lindsey A. Kwok, Chang Liu, Saurabh W. Jha et al.2025 · 2 citationsarXiv
The First 4 Years of SN 1993J Revisited: Geometric -ring Modeling of the Radio Shell with Closure Quantities Only2509.20601v1 · Joseph R. Farah, Logan J. Prust, Giacomo Terreran et al.2025 · 0 citationsarXiv
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 2022xlp: The second-known well-observed, intermediate-luminosity Iax supernova2509.07717v1 · D. B'anhidi, B. Barna, T. Szalai et al.2025 · 6 citationsA&A 703, A64 (2025)
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
Late-time Hubble Space Telescope Ultraviolet Spectra of SN 2023ixf and SN 2024ggi Show Ongoing Interaction with Circumstellar Material2508.11756v1 · K. Azalee Bostroem, Stefano Valenti, David J. Sand et al.2025 · 1 citationarXiv
Double-offset Cassegrain telescopes for the Ultraviolet Type Ia (UVIa) mission concept2507.16006v1 · Fernando Cruz Aguirre, Keri Hoadley, Curtis McCully et al.2025 · 0 citations"Double-offset Cassegrain telescopes for the Ultraviolet Type Ia mission concept," J. Astron. Telesc. Instrum. Syst. 11(4) 042211 (17 July 2025)
Near-Infrared Spectroscopy and Detection of Carbon Monoxide in the Type II Supernova SN 2023ixf2507.11877v2 · Seong Hyun Park, Jeonghee Rho, Sung-Chul Yoon et al.2025 · 8 citationsA&A 703, A227 (2025)
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