CR
C. L. Ransome
astro-ph.HEastro-ph.SRastro-ph.GAastro-ph.COastro-ph.IM
On Valency
published · living versionsW_v5ejn3vd·v1 · currentpublished
An H-alpha survey of the host environments of 77 type IIn supernovae within z<0.02
with S. M. Habergham Mawson, M. J. Darnley, P. A. James, S. M. Percival
1 version
W_69ctqhhj·v1published
Preprints & journals
32 papers in the corpus · 2021–2026Nearby 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
Aarmed with Data: Bumps, Outflows, and Disk-like Emission in TDE 2025aarm2609.09725v2 · Aysha Aamer, Kate D. Alexander, Charlotte R. Angus et al.2026 · 0 citationsarXiv
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
A JWST/MIRI Study of Dust in a Sample of Normal Type IIP Core Collapse Supernovae2608.16979v1 · Bhagya M. Subrayan, David J. Sand, Olivia Culbert 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
Little Red Dots as Intermediate Mass, Super-Eddington Engines: Insights from Type IIn Supernovae and The 1837-1856 Great Eruption of Carinae2606.30711v1 · Rohan P. Naidu, Jorryt Matthee, Anna de Graaff 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
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 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
Search For a Counterpart to the Subsolar Mass Gravitational Wave Candidate S251112cm2603.17009v2 · Nicholas Vieira, Noah Franz, Bhagya Subrayan et al.2026 · 1 citationarXiv
An infrared echo from a circumstellar disk in the hydrogen- and helium-poor SN 2024aecx2602.02691v2 · Samaporn Tinyanont, Kittipong Wangnok, Jennifer E. Andrews et al.2026 · 2 citationsarXiv
SN 2023zcu: A Type IIP SN with Early Flash Features2601.14830v1 · Monalisa Dubey, Kuntal Misra, G'eza Csornyei et al.2026 · 1 citationarXiv
Revealing the diversity of Type IIn supernova progenitors through their environments2601.07542v2 · Zexi Niu, Ning-Chen Sun, Emmanouil Zapartas et al.2026 · 1 citationarXiv
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 2019vxm: A Shocking Coincidence between Fermi and TESS2511.15975v2 · Zachary G. Lane, Ryan Ridden-Harper, Sofia Rest et al.2025 · 0 citationsThe Astrophysical Journal, Volume 1003, Number 1 (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
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)
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
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
Unveiling the Diversity of Type IIn Supernovae via Systematic Light Curve Modeling2409.10596v1 · C. L. Ransome, V. A. Villar2024 · 12 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
SN2023ixf in Messier 101: the twilight years of the progenitor as seen by Pan-STARRS2312.04426v1 · Conor L. Ransome, V. Ashley Villar, Anna Tartaglia et al.2023 · 34 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
Multiple Peaks and a Long Precursor in the Type IIn Supernova 2021qqp: An Energetic Explosion in a Complex Circumstellar Environment2305.11168v2 · Daichi Hiramatsu, Tatsuya Matsumoto, Edo Berger et al.2023 · 21 citationsThe Astrophysical Journal, 964:181 (16pp), 2024 April 1
A Low-Mass Helium Star Progenitor Model for the Type Ibn SN 2020nxt2305.05015v1 · Qinan Wang, Anika Goel, Luc Dessart et al.2023 · 13 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
SN 2022ann: A type Icn supernova from a dwarf galaxy that reveals helium in its circumstellar environment2211.05134v1 · K. W. Davis, K. Taggart, S. Tinyanont et al.2022 · 26 citationsarXiv
An H-alpha survey of the host environments of 77 type IIn supernovae within z<0.022204.09706v2 · C. L. Ransome, S. M. Habergham Mawson, M. J. Darnley et al.2022 · 18 citationsarXivon Valency
A systematic reclassification of type IIn supernovae2107.02179v2 · C. L. Ransome, S. M. Habergham-Mawson, M. J. Darnley et al.2021 · 27 citationsarXivon Valency
Career total: at least 66 works. 32 are in this corpus.
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