AG
Alexander Gagliano
astro-ph.HEastro-ph.IMastro-ph.GAastro-ph.SRastro-ph.COcs.LGstat.MLcs.AI
On Valency
published · living versionsW_d7pt29h4·v1 · currentpublished
SPLASH: A Rapid Host-Based Supernova Classifier for Wide-Field Time-Domain Surveys
with Adam Boesky, V. Ashley Villar, Brian Hsu
1 version
W_6x79rqwg·v1published
W_tq2xehnt·v1published
W_m89ghfu2·v1published
Preprints & journals
58 papers in the corpus · 2018–2026Deep Learning for Astrophysics: An Open Textbook from the NASA Cosmic Origins AI/ML Science and Technology Interest Group2606.30855v2 · Yuan-Sen Ting, Digvijay Wadekar, Phill Cargile et al.2026 · 0 citationsarXiv
The Impact of Host Galaxy Properties on Supernova Classification with Hierarchical Labels2606.24807v1 · V. Ashley Villar, Sebastian Gomez, Edo Berger et al.2026 · 3 citationsarXiv
JWST Reveals Large Reservoirs of Dust and Ongoing Circumstellar Interaction in SN Ibn/Icn 2023xgo over a Year Post-Explosion2606.00208v1 · Kyle W. Davis, Kirsty Taggart, Samaporn Tinyanont et al.2026 · 0 citationsarXiv
Evidence for Environmental Stripping in the Coma Cluster2604.16619v1 · Richard T. Pomeroy, Juan P. Madrid, Conor R. O'Neill et al.2026 · 0 citationsApJ 1002 (2026) 2
Opportunities in AI/ML for the Rubin LSST Dark Energy Science Collaboration2601.14235v1 · Eric Aubourg, Camille Avestruz, Matthew R. Becker et al.2026 · 0 citationsarXiv
A Fully Photometric Approach to Type Ia Supernova Cosmology in the LSST Era: Host Galaxy Redshifts and Supernova Classification2512.06319v2 · Ayan Mitra, Richard Kessler, Rebecca C. Chen et al.2025 · 1 citationarXiv
Minuet: A Diffusion Autoencoder for Compact Semantic Compression of Multi-Band Galaxy Images2512.04145v1 · Alexander T. Gagliano, Yunyi Shen, V. A. Villar2025 · 0 citationsarXiv
Characterization of type Ibn SNe2511.12362v1 · D. Farias, C. Gall, V. A. Villar et al.2025 · 4 citationsA&A 708, A270 (2026)
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
Diffusion Autoencoders with Perceivers for Long, Irregular and Multimodal Astronomical Sequences2510.20595v1 · Yunyi Shen, Alexander Gagliano2025 · 0 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
Hierarchical Simulation-Based Inference of Supernova Power Sources and their Physical Properties2510.14202v1 · Edgar P. Vidal, Alexander T. Gagliano, Carolina Cuesta-Lazaro2025 · 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
Characterizing Supernova Host Galaxies with FrankenBlast: A Scalable Tool for Transient Host Galaxy Association, Photometry, and Stellar Population Modeling2509.08874v2 · Anya E. Nugent, V. Ashley Villar, Alex Gagliano et al.2025 · 5 citationsarXivon Valency
The Type II SN 2025pht in NGC 1637: A Red Supergiant with Carbon-rich Circumstellar Dust as the First JWST Detection of a Supernova Progenitor Star2508.10994v1 · Charles D. Kilpatrick, Aswin Suresh, Kyle W. Davis et al.2025 · 6 citationsarXiv
Enabling Early Transient Discovery in LSST via Difference Imaging with DECam2507.22156v4 · Yize Dong, Kaylee de Soto, V. Ashley Villar et al.2025 · 2 citationsarXiv
Mixture-of-Expert Variational Autoencoders for Cross-Modality Embedding of Type Ia Supernova Data2507.16817v1 · Yunyi Shen, Alexander T. Gagliano2025 · 0 citationsarXiv
reLAISS: A Python Package for Flexible Similarity Searches of Supernovae and Their Host Galaxies2507.13449v1 · E. Reynolds, A. Gagliano, V. A. Villar2025 · 0 citationsRes. Notes AAS 9 189 (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
A Wide Field Map of Ultra-Compact Dwarfs in the Coma Cluster2506.02296v2 · Richard T. Pomeroy, Juan P. Madrid, Conor R. O'Neill et al.2025 · 3 citationsApJ 988 (2025) 1
SPLASH: A Rapid Host-Based Supernova Classifier for Wide-Field Time-Domain Surveys2506.00121v1 · Adam Boesky, V. Ashley Villar, Alexander Gagliano et al.2025 · 2 citationsarXivon Valency
Variational diffusion transformers for conditional sampling of supernovae spectra2505.03063v1 · Yunyi Shen, Alexander T. Gagliano2025 · 0 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
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
An Updated Detection Pipeline for Precursor Emission in Type II Supernova 2020tlf2501.08475v1 · Wynn Jacobson-Gal'an, Sebastian Gonzalez, Shreyas Patel et al.2025 · 1 citationarXiv
ORACLE: A Real-Time, Hierarchical, Deep-Learning Photometric Classifier for the LSST2501.01496v2 · Ved G. Shah, Alex Gagliano, Konstantin Malanchev et al.2025 · 8 citations2025 ApJ 995 4
Blast: a Web Application for Characterizing the Host Galaxies of Astrophysical Transients2410.17322v1 · D. O. Jones, P. McGill, T. A. Manning et al.2024 · 1 citationarXivon Valency
Double "acct": a distinct double-peaked supernova matching pulsational pair-instability models2409.02174v1 · C. R. Angus, S. E. Woosley, R. J. Foley et al.2024 · 7 citationsarXiv
SN 2021foa: The "Flip-Flop" Type IIn / Ibn supernova2409.01359v2 · D. Farias, C. Gall, G. Narayan et al.2024 · 10 citationsarXiv
Maven: A Multimodal Foundation Model for Supernova Science2408.16829v1 · Gemma Zhang, Thomas Helfer, Alexander T. Gagliano et al.2024 · 11 citationsarXiv
Finding the Fuse: Prospects for the Detection and Characterization of Hydrogen-Rich Core-Collapse Supernova Precursor Emission with the LSST2408.13314v2 · A. Gagliano, E. Berger, V. A. Villar et al.2024 · 4 citationsarXiv
The Type I Superluminous Supernova Catalog I: Light Curve Properties, Models, and Catalog Description2407.07946v1 · Sebastian Gomez, Matt Nicholl, Edo Berger et al.2024 · 1 citationarXiv
Find the haystacks, then look for needles: The rate of strongly lensed transients in galaxy-galaxy strong gravitational lenses2407.04080v1 · Ana Sainz de Murieta, Thomas E. Collett, Mark R. Magee et al.2024 · 1 citationarXiv
Probabilistic Forward Modeling of Galaxy Catalogs with Normalizing Flows2405.04740v1 · John Franklin Crenshaw, J. Bryce Kalmbach, Alexander Gagliano et al.2024 · 22 citationsAJ 168 80 (2024)
Multi-filter UV to NIR Data-driven Light Curve Templates for Stripped Envelope Supernovae2405.01672v2 · Somayeh Khakpash, Federica B. Bianco, Maryam Modjaz et al.2024 · 0 citationsarXiv
SN 2024ggi in NGC 3621: Rising Ionization in a Nearby, CSM-Interacting Type II Supernova2404.19006v3 · W. V. Jacobson-Gal'an, K. W. Davis, C. D. Kilpatrick et al.2024 · 0 citationsarXiv
Anomaly Detection and Approximate Similarity Searches of Transients in Real-time Data Streams2404.01235v2 · P. D. Aleo, A. W. Engel, G. Narayan et al.2024 · 10 citationsarXiv
A Physics-Informed Variational Autoencoder for Rapid Galaxy Inference and Anomaly Detection2312.16687v1 · Alexander Gagliano, V. Ashley Villar2023 · 3 citationsarXiv
Hierarchical Cross-entropy Loss for Classification of Astrophysical Transients2312.02266v1 · V. Ashley Villar, Kaylee de Soto, Alex Gagliano2023 · 1 citationarXiv
Keck Infrared Transient Survey I: Survey Description and Data Release 12309.07102v1 · S. Tinyanont, R. J. Foley, K. Taggart et al.2023 · 19 citationsarXiv
SN 2023ixf in Messier 101: Photo-ionization of Dense, Close-in Circumstellar Material in a Nearby Type II Supernova2306.04721v2 · W. V. Jacobson-Galan, L. Dessart, R. Margutti et al.2023 · 113 citationsarXiv
SN2023ixf in Messier 101: A Variable Red Supergiant as the Progenitor Candidate to a Type II Supernova2306.04722v1 · Charles D. Kilpatrick, Ryan J. Foley, Wynn V. Jacobson-Gal'an et al.2023 · 96 citationsarXiv
First Impressions: Early-Time Classification of Supernovae using Host Galaxy Information and Shallow Learning2305.08894v3 · Alexander Gagliano, Gabriella Contardo, Daniel Foreman-Mackey et al.2023 · 27 citationsarXiv
YSE-PZ: A Transient Survey Management Platform that Empowers the Human-in-the-Loop2303.02154v1 · D. A. Coulter, D. O. Jones, P. McGill et al.2023 · 50 citationsarXiv
Supernova 2020wnt: An Atypical Superluminous Supernova with a Hidden Central Engine2212.00177v1 · Samaporn Tinyanont, Stan E. Woosley, Kirsty Taggart et al.2022 · 14 citationsarXiv
The Young Supernova Experiment Data Release 1 (YSE DR1): Light Curves and Photometric Classification of 1975 Supernovae2211.07128v2 · P. D. Aleo, K. Malanchev, S. Sharief et al.2022 · 48 citationsarXiv
Relative intrinsic scatter in hierarchical Type Ia supernova siblings analyses: Application to SNe 2021hpr, 1997bq & 2008fv in NGC 31472209.10558v2 · Sam M. Ward, Stephen Thorp, Kaisey S. Mandel et al.2022 · 2 citationsarXiv
A fast rising tidal disruption event from a candidate intermediate mass black hole2209.00018v2 · C. R. Angus, V. F. Baldassare, B. Mockler et al.2022 · 49 citationsarXiv
DELIGHT: Deep Learning Identification of Galaxy Hosts of Transients using Multi-resolution Images2208.04310v1 · Francisco Forster, Alejandra M. Munoz Arancibia, Ignacio Reyes et al.2022 · 13 citationsarXiv
From Data to Software to Science with the Rubin Observatory LSST2208.02781v1 · Katelyn Breivik, Andrew J. Connolly, K. E. Saavik Ford et al.2022 · 3 citationsarXiv
Career total: at least 102 works. 58 are in this corpus.Showing the 50 most recent.
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