BS
Benjamin J. Shappee
astro-ph.HEastro-ph.SRastro-ph.GAastro-ph.COastro-ph.EPastro-ph.IMgr-qcCompact astrophysical objectsHigh-energy astrophysicsTransient astrophysical phenomena
On Valency
published · living versionsW_qhhkepcy·v1 · currentpublished
Early panchromatic spectra reveal helium in the thermonuclear supernova 2024kce
with Abigail Polin, Dillon Hasenour, Sahana Kumar, Willem Hoogendam +24
1 version
W_d542pfvb·v1published
W_u6phneua·v1published
W_n4kpatfs·v1published
W_ftp2nge9·v1published
W_273ugtdd·v1published
W_y99ee8et·v1published
W_zgubbuuc·v1published
W_x882sbvy·v1published
W_8k7dgggf·v1published
Preprints & journals
285 papers in the corpus · 2010–2026Early panchromatic spectra reveal helium in the thermonuclear supernova 2024kce2610.30674v1 · Abigail Polin, Dillon Hasenour, Sahana Kumar et al.2026 · 0 citationsarXivon Valency
Extreme Stellar Death and Galaxy Feedback at z = 2: A Rest-frame Ultraviolet Characterization of the Strongly Lensed Superluminous Supernova 2025wny2610.08903v1 · Willem B. Hoogendam, David O. Jones, Christopher J. Storfer et al.2026 · 0 citationsarXiv
Nebular Spectra of the Extremely Metal-Poor SN II 2023ufx Over a Year After Explosion: A Massive Progenitor and Unique Circumstellar Environment2609.04307v1 · Evan Jennerjahn, Michael A. Tucker, Christopher S. Kochanek et al.2026 · 0 citationsarXiv
The host galaxies of 2003fg-like type Ia supernovae2608.26281v1 · Llu'is Galbany, Chris Ashall, Jing Lu 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
ATLAS22kjn (AT 2022fpx): A Coronal Line Emitter with an Early Light Curve Bump and Mid-Infrared Dust Echo2608.11300v1 · Athena C. Engholm, Jason T. Hinkle, Benjamin J. Shappee et al.2026 · 0 citationsarXiv
AT2021yky: A Fast-Rising Optical Transient with Evolving Broad Hydrogen Emission Consistent with an Ambiguous Nuclear Transient2608.06462v1 · Paarmita Pandey, Jason T. Hinkle, Christopher Kochanek et al.2026 · 0 citationsarXiv
The type Ia supernova 2023vjh: a peculiar 1991bg-like SN with unusually faint light curves2607.08821v1 · M. Kopsacheili, L. Galbany, G. Folatelli et al.2026 · 0 citationsarXiv
JWST Medium-Resolution Infrared Spectroscopy of SN 2022acko: Tracing Molecule Formation in the Nebular Phase2606.31176v1 · K. Medler, T. Mera, C. Ashall et al.2026 · 0 citationsarXiv
Detection of Variability in Seyfert 2 Galaxies and Measurement of the Optical Scattering Region Size2606.23564v1 · Natalie Kovacevic, Xinyu Dai, Heechan Yuk et al.2026 · 0 citationsarXiv
Hawai`i Supernova Flows: Bulk Flow Measurements using SNe Ia in the Optical and NIR2606.17142v1 · Aaron Do, Kaisey S. Mandel, Benjamin J. Shappee et al.2026 · 0 citationsarXiv
A Disappearing Act: Constraints From "Missing" Flares of Repeating Partial TDE Candidates2606.06578v1 · Jason T. Hinkle, Chang Liu, Adam A. Miller et al.2026 · 0 citationsarXiv
SCAT Data Release 1: 1812 optical spectra of 1331 transients2604.23794v3 · Michael A. Tucker, Mark E. Huber, Benjamin J. Shappee et al.2026 · 0 citationsarXiv
A Natural Telescope: Discovery of the Strongly Lensed Type II SN 2025mkn at 2604.07983v1 · Cameron Lemon, Ariel Goobar, Joel Johansson et al.2026 · 0 citationsarXiv
Supernova 2025wny: High-angular resolution Keck/NIRC2 observations and preliminary lens modeling2604.02418v1 · Christopher J. Storfer, Kenneth C. Wong, Ana Acebron et al.2026 · 0 citationsarXiv
ASAS-SN Rates IV: Constraints on the Kilonova Rate2603.26871v1 · Dhvanil D. Desai, Benjamin J. Shappee, Christopher S. Kochanek et al.2026 · 0 citationsarXiv
Contemporaneous Optical and Near-Infrared Observations of the Interstellar Comet 3I/ATLAS Pre- and Post-Perihelion2602.23586v1 · Kyle Medler, Willem B. Hoogendam, Christopher Ashall et al.2026 · 0 citationsarXiv
The Enigmatic Type Icn Supernova 2024abvb Located ~22 kpc from Its Host Galaxy2602.16227v1 · J. Shi, K. Auchettl, W. B. Hoogendam et al.2026 · 0 citationsarXiv
Supernova Rates and Luminosity Functions from ASAS-SN III: Over a Decade of Type Ia SNe and Their Subtypes2602.00223v1 · Dhvanil D. Desai, Benjamin J. Shappee, Christopher S. Kochanek et al.2026 · 0 citationsarXiv
Post-Perihelion Integral Field Spectroscopy of the Interstellar Comet 3I/ATLAS2601.16983v1 · Willem B. Hoogendam, David O. Jones, Bin Yang et al.2026 · 0 citationsarXiv
University of Hawaii 88-inch Telescope Observations of the Interstellar Comet 3I/ATLAS: Spectrophotometric Blue-Sensitive Spectral Time Series Spanning Two Months from Discovery2512.09020v2 · W. B. Hoogendam, D. Kuesters, B. J. Shappee et al.2025 · 1 citationarXiv
Multiple outflows and delayed ejections revealed by early imaging of novae.41725779 · Aydi, Elias, Monnier, John D, Mérand, Antoine et al.2026 · 3 citationsNature astronomy. 2026;10(2):271-280
JCMT Constraints on the Early-Time HCN and CO Emission and HCN Temporal Evolution of 3I/ATLAS2512.02106v3 · Jason T. Hinkle, Bin Yang, Karen J. Meech et al.2025 · 0 citationsarXiv
Spatial Profiles of 3I/ATLAS CN and Ni Outgassing from Keck/KCWI Integral Field Spectroscopy2510.11779v3 · W. B. Hoogendam, B. J. Shappee, J. J. Wray et al.2025 · 4 citationsarXiv
JWST Observations of SN 2024ggi II: NIRSpec Spectroscopy and CO Modeling at 285 and 385 Days Past the Explosion2510.09600v4 · T. Mera, C. Ashall, P. Hoeflich et al.2025 · 0 citationsarXiv
Pan-STARRS follow-up of the gravitational-wave event S250818k and the lightcurve of SN 2025ulz2510.01142v3 · J. H. Gillanders, M. E. Huber, M. Nicholl et al.2025 · 10 citationsarXiv
Unraveling the Nature of the Nuclear Transient AT2020adpi2509.03593v3 · Paarmita Pandey, Jason Hinkle, Christopher Kochanek et al.2025 · 0 citationsarXiv
Supernova rates and luminosity functions from ASAS-SN II: 2014-2017 core-collapse supernovae and their subtypes2508.10985v2 · T. Pessi, D. D. Desai, J. L. Prieto et al.2025 · 20 citationsA&A 703, A34 (2025)
The nebular phase of SN 2024ggi: a low-mass progenitor with no signs of interaction2507.22794v2 · L. Ferrari, G. Folatelli, K. Ertini et al.2025 · 5 citationsA&A 703, A12 (2025)
JWST Observations of SN 2023ixf II: The Panchromatic Evolution Between 250 and 720 Days After the Explosion2507.19727v1 · K. Medler, C. Ashall, P. Hoeflich et al.2025 · 10 citationsarXiv
A Systematic Search for Big Dippers in ASAS-SN2507.19594v3 · B. JoHantgen, D. M. Rowan, R. For'es-Toribio et al.2025 · 1 citationarXiv
JWST Observations of SN 2024ggi I: Interpretation and Model Comparison of the Type II Supernova 2024ggi at 55 days Past Explosion2507.18753v2 · E. Baron, C. Ashall, J. M. DerKacy et al.2025 · 6 citationsarXiv
JWST Observations of SN 2023ixf I: Completing the Early Multi-Wavelength Picture with Plateau-phase Spectroscopy2507.18785v2 · J. M. DerKacy, C. Ashall, E. Baron et al.2025 · 0 citationsarXiv
The Unhurried Universe: A Continued Search for Long Term Variability in ASAS-SN2507.07174v3 · Sydney Petz, C. S. Kochanek, K. Z. Stanek et al.2025 · 0 citationsarXiv
Discovery and Preliminary Characterization of a Third Interstellar Object: 3I/ATLAS2507.02757v3 · Darryl Z. Seligman, Marco Micheli, Davide Farnocchia et al.2025 · 83 citationsarXiv
ASASSN-24fw: An 8-month long, 4.1 mag, optically achromatic and polarized dimming event2507.03080v2 · R. For'es-Toribio, B. JoHantgen, C. S. Kochanek et al.2025 · 3 citationsarXiv
The ASAS-SN Low Surface Brightness Survey I: Proof-of-Concept and Potential Applications2506.14873v1 · Evan Jennerjahn, Michael A. Tucker, Benjamin J. Shappee et al.2025 · 0 citationsarXiv
The most energetic transients: Tidal disruptions of high-mass stars.40465727 · Hinkle, Jason T, Shappee, Benjamin J, Auchettl, Katie et al.2026 · 9 citationsScience advances. 2025;11(23):eadt0074
The Hawaii Infrared Supernova Study (HISS): Spectroscopic Data Release 12505.18507v1 · K. Medler, C. Ashall, M. Shahbandeh et al.2025 · 4 citationsarXiv
Early and Extensive Ultraviolet Through Near Infrared Observations of the Intermediate-Luminosity Type Iax Supernovae 2024pxl2505.04610v3 · W. B. Hoogendam, C. Ashall, D. O. Jones et al.2025 · 15 citationsarXivon Valency
Plasma Instabilities Dominate Radioactive Transients Magnetic Fields: The self-confinement of leptons in Type Ia and Core-Collapse Supernovae, and Kilonovae2504.15335v2 · Dhvanil D. Desai, Colby C. Haggerty, Benjamin J. Shappee et al.2025 · 2 citationsMon Not R Astron Soc (2025) 2197-2215
Comparing Optical Variability of Type 1 and Type 2 AGN from the BAT 9-Month Sample using ASAS-SN and TESS Surveys2504.08123v1 · Natalie Kovacevic, Xinyu Dai, Heechan Yuk et al.2025 · 6 citationsarXiv
ASASSN-13dn: A Luminous and Double-Peaked Type II Supernova2503.08812v1 · E. Hueichap'an, J. L. Prieto, R. Cartier et al.2025 · 1 citationA&A 702, A47 (2025)
Seeing the Outer Edge of the Infant Type Ia Supernova 2024epr in the Optical and Near Infrared2502.17556v3 · W. B. Hoogendam, D. O. Jones, C. Ashall et al.2025 · 11 citationsarXiv
The AGN Optical Variability Fundamental Plane2501.12444v1 · Ashley Tarrant, Jason Hinkle, Benjamin Shappee et al.2025 · 0 citationsarXiv
Expanding the parameter space of 2002es-like type Ia supernovae: on the underluminous ASASSN-20jq / SN 2020qxp2501.04086v2 · Subhash Bose, Maximilian D. Stritzinger, Chris Ashall et al.2025 · 5 citationsA&A 699, A169 (2025)
On the Double: Two Luminous Flares from the Nearby Tidal Disruption Event ASASSN-22ci (AT2022dbl) and Connections to Repeating TDE Candidates2412.15326v2 · Jason T. Hinkle, Katie Auchettl, Willem B. Hoogendam et al.2024 · 1 citationarXiv
Using nebular near-IR spectroscopy to measure asymmetric chemical distributions in 2003fg-like thermonuclear supernovae2412.09352v2 · J. O'Hora, C. Ashall, M. Shahbandeh et al.2024 · 0 citationsarXiv
The period-luminosity relation of long-period variables in the Large Magellanic Cloud observed with ATLAS2410.16273v2 · Daniel Hey, John Tonry, Benjamin Shappee et al.2024 · 1 citationarXiv
Optical and near-infrared photometry of 94 type II supernovae from the Carnegie Supernova Project2410.06738v1 · J.P. Anderson, C. Contreras, M.D. Stritzinger et al.2024 · 17 citationsarXiv
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