MS
M. R. Siebert
astro-ph.HEastro-ph.SRastro-ph.GAastro-ph.COastro-ph.IMphysics.space-ph
On Valency
published · living versionsW_etsugq2h·v1 · currentpublished
The New Status Qvo? SN 2021qvo is Another 2003fg-like Type Ia Supernova with a Rising Light-Curve Bump
with I. A. Abreu Paniagua, W. B. Hoogendam, D. O. Jones, G. Dimitriadis +22
1 version
W_gmmexxbq·v1published
W_cgfrx5za·v1published
Preprints & journals
117 papers in the corpus · 2016–2026What Shapes the Ultraviolet Spectra of Type Ia Supernovae?2610.27807v1 · Snehasish Bhattacharjee, Yen-Chen Pan, Anirban Dutta et al.2026 · 0 citationsarXiv
Constraints on the Progenitor of SN 2023bee from its Nebular-Phase Spectra2610.25674v1 · Sophie von Coelln, Qinan Wang, Matthew R. Siebert et al.2026 · 0 citationsarXivon Valency
A New Era for Supernova Science with the James Webb Space Telescope2610.12100v1 · Justin Pierel, David Coulter, Christa DeCoursey et al.2026 · 0 citationsPierel, J., Coulter, D., DeCoursey, C., et al. 2026, EPJ Plus, 141, 1155
SN Helios: A Multiply Imaged Type II Supernova Opening Time-Delay Cosmography beyond redshift of 32609.30440v2 · Seiji Fujimoto, Conor Larison, Justin D. R. Pierel 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
CCD Rotation Rates From Regular Dispersion Solution Monitoring2608.10167v1 · Matilde Mingozzi, Matthew Siebert2026 · 0 citationsarXiv
Wavelength Calibration Accuracy Across the STIS CCD: Pipeline Update and User Guidance2608.10199v1 · Matilde Mingozzi, Robert Jedrzejewski, Matthew Siebert et al.2026 · 0 citationsarXiv
VENUS: an ultra-faint galaxy hosting the metal-poor type II supernova at Witnessing the initial metal enrichment with extremely frequent core-collapse supernovae?2607.14355v1 · Yoshihisa Asada, Seiji Fujimoto, Joseph F. V. Allingham et al.2026 · 0 citationsarXiv
The JADES Transient Survey II: Volumetric Supernova Rates out to z~52607.12018v1 · Christa DeCoursey, Christian Vassallo, Louis-Gregory Strolger et al.2026 · 0 citationsarXiv
Discovery and Analysis of a Type II Supernova Candidate at z = 3.19 from JWST's COSMOS-Web Survey2605.24088v1 · Valeria Aparicio, David O. Jones, Willem B. Hoogendam et al.2026 · 0 citationsarXiv
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
SN 2024iss: A Multi-Wavelength Exposé of a Type IIb Supernova with an Early-Time Ultraviolet Spectrum and Shock Breakout Constraints2603.20375v2 · Rujula Yete, Wynn Jacobson-Galan, Ferdinand Ferdinand et al.2026 · 0 citationsarXiv
Recalibration of Pre-SM4 STIS Echelle Throughputs2603.08868v1 · Matthew R. Siebert, Joleen K. Carlberg, Svea Hernandez et al.2026 · 0 citationsarXiv
Rederivation of STIS Secondary Echelle Mode Traces2603.08878v1 · Matthew R. Siebert, TalaWanda Monroe, Svea Hernandez2026 · 0 citationsarXiv
Safety Acquisitions: Redundancy for non-repeatable multi-orbit STIS visits2602.19286v1 · Matthew M. Dallas, Matthew R. Siebert2026 · 0 citationsarXiv
Expanding the High-z Supernova Frontier: "Wide-Area" JWST Discoveries from the First Two Years of COSMOS-Web2601.08931v2 · Ori D. Fox (STSc), Armin Rest, JHU et al.2026 · 0 citationsarXiv
A spectroscopically confirmed, strongly lensed, metal-poor Type II supernova at z = 5.132601.04156v2 · David A. Coulter, Conor Larison, Justin D. R. Pierel et al.2026 · 0 citationsarXiv
Feeling Blue: Constructing a Robust SALT3 UV Template and Constraining its Redshift Dependency2512.25064v2 · Qinan Wang, David O. Jones, Justin D. R. Pierel et al.2025 · 0 citationsarXiv
Revisiting the Mass Step: Environmental Dependence of Type Ia Supernovae in Low-Metallicity Host Galaxies2512.20834v1 · Estefania Padilla Gonzalez, A. Joshi Bhavin, Louis G. Strolger et al.2025 · 0 citationsarXiv
SN 2025ogs: A Spectroscopically-Normal Type Ia Supernova at z = 2 as a Benchmark for Redshift Evolution2512.19783v2 · M. R. Siebert, J. D. R. Pierel, M. Engesser et al.2025 · 1 citationarXiv
Normal or transitional? The evolution and properties of two type Ia supernovae in the Virgo cluster2512.00555v1 · L. Izzo, C. Gall, N. Khetan et al.2025 · 1 citationarXiv
Characterization of type Ibn SNe2511.12362v1 · D. Farias, C. Gall, V. A. Villar et al.2025 · 4 citationsA&A 708, A270 (2026)
The New Status Qvo? SN 2021qvo is Another 2003fg-like Type Ia Supernova with a Rising Light-Curve Bump2508.13263v4 · I. A. Abreu Paniagua, W. B. Hoogendam, D. O. Jones et al.2025 · 1 citationThe Astrophysical Journal, Volume 997, 2026, Number 2on Valency
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
Very Late-Time JWST and Keck Spectra of the Oxygen-Rich Supernova 1995N2505.01574v1 · Geoffrey C. Clayton, R. Wesson, Ori D. Fox et al.2025 · 6 citationsarXiv
JWST Discovery of a High-Redshift Tidal Disruption Event Candidate in COSMOS-Web2504.13248v4 · Mitchell Karmen, Suvi Gezari, Erini Lambrides et al.2025 · 6 citationsApJ 990 149 (2025)
JWST/MIRI detects the dusty SN1993J about 30 years after explosion2503.12950v1 · Tam'as Szalai, Szanna Zs'iros, Jacob Jencson et al.2025 · 6 citationsA&A 697, A132 (2025)
Properties of high-redshift Type II supernovae discovered by the JADES transient survey2501.08969v2 · Takashi J. Moriya, David A. Coulter, Christa DeCoursey et al.2025 · 8 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
Discovery of a likely Type II SN at =3.6 with JWST2501.05513v2 · D. A. Coulter, J. D. R. Pierel, C. DeCoursey et al.2025 · 1 citationarXiv
Testing for Intrinsic Type Ia Supernova Luminosity Evolution at z>2 with JWST2411.11953v3 · J. D. R. Pierel, D. A. Coulter, M. R. Siebert et al.2024 · 14 citationsarXiv
JWST/MIRI Observations of Newly Formed Dust in the Cold, Dense Shell of the Type IIn SN 2005ip2410.09142v1 · Melissa Shahbandeh, Ori D. Fox, Tea Temim et al.2024 · 20 citationsarXiv
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
Spectroscopic analysis of the strongly lensed SN~Encore: Constraints on cosmic evolution of Type Ia supernovae2407.16492v1 · S. Dhawan, J. D. R. Pierel, M. Gu et al.2024 · 14 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
AGN STORM 2: VIII. Investigating the Narrow Absorption Lines in Mrk 817 Using HST-COS Observations2407.04164v2 · Maryam Dehghanian, Nahum Arav, Gerard A. Kriss et al.2024 · 5 citationsarXiv
AGN STORM 2: IX. Studying the Dynamics of the Ionized Obscurer in Mrk 817 with High-resolution X-ray Spectroscopy2406.17061v1 · Fatima Zaidouni, Erin Kara, Peter Kosec et al.2024 · 11 citationsarXiv
The JADES Transient Survey: Discovery and Classification of Supernovae in the JADES Deep Field2406.05060v4 · Christa DeCoursey, Eiichi Egami, Justin D. R. Pierel et al.2024 · 33 citationsarXiv
Discovery of a Relativistic Stripped Envelope Type Ic-BL Supernova at z = 2.83 with JWST2406.05076v3 · M. R. Siebert, C. Decoursey, D. A. Coulter et al.2024 · 16 citationsarXiv
Discovery of An Apparent Red, High-Velocity Type Ia Supernova at z = 2.9 with JWST2406.05089v2 · J. D. R. Pierel, M. Engesser, D. A. Coulter et al.2024 · 24 citationsarXiv
The Gravity Collective: A Comprehensive Analysis of the Electromagnetic Search for the Binary Neutron Star Merger GW1904252404.15441v1 · D. A. Coulter, C. D. Kilpatrick, D. O. Jones et al.2024 · 8 citationsarXiv
Lensed Type Ia Supernova "Encore" at z=2: The First Instance of Two Multiply-Imaged Supernovae in the Same Host Galaxy2404.02139v3 · J. D. R. Pierel, A. B. Newman, S. Dhawan et al.2024 · 56 citationsarXiv
SN H0pe: The First Measurement of from a Multiply-Imaged Type Ia Supernova, Discovered by JWST2403.18902v2 · Massimo Pascale, Brenda L. Frye, Justin D.R. Pierel et al.2024 · 76 citationsarXiv
JWST Spectroscopy of SN H0pe: Classification and Time Delays of a Triply-imaged Type Ia Supernova at z = 1.782403.19029v1 · Wenlei Chen, Patrick L. Kelly, Brenda L. Frye et al.2024 · 22 citationsarXiv
Serendipitous detection of the dusty Type IIL SN 1980K with JWST/MIRI2310.03448v1 · Szanna Zs'iros, Tam'as Szalai, Ilse De Looze et al.2023 · 13 citationsarXiv
AGN STORM 2. VI. Mapping Temperature Fluctuations in the Accretion Disk of Mrk 8172310.01497v1 · Jack M. M. Neustadt, Christopher S. Kochanek, John Montano et al.2023 · 17 citationsarXiv
SpectAcLE: An Improved Method for Modeling Light Echo Spectra2310.01501v1 · Roee Partoush, Armin Rest, Jacob E. Jencson et al.2023 · 0 citationsarXiv
Strong Carbon Features and a Red Early Color in the Underluminous Type Ia SN 2022xkq2309.10054v2 · Jeniveve Pearson, David J. Sand, Peter Lundqvist et al.2023 · 11 citationsarXiv
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