Intermediate-luminosity Type IIP SN 2021gmj: a low-energy explosion with signatures of circumstellar material

Y Murai, M Tanaka, M Kawabata… - Monthly Notices of …, 2024 - academic.oup.com
We present photometric, spectroscopic, and polarimetric observations of the intermediate-
luminosity Type IIP supernova (SN) 2021gmj from 1 to 386 d after the explosion. The peak …

SN 2021wvw: a core-collapse supernova at the subluminous, slower, and shorter end of type IIPs

RS Teja, JA Goldberg, DK Sahu… - The Astrophysical …, 2024 - iopscience.iop.org
We present detailed multiband photometric and spectroscopic observations and analysis of
a rare core-collapse supernova, SN 2021wvw, that includes photometric evolution up to 250 …

A Snapshot Survey of Nearby Supernovae with the Hubble Space Telescope

R Baer-Way, A DeGraw, WK Zheng… - The Astrophysical …, 2024 - iopscience.iop.org
Over recent decades, robotic (or highly automated) searches for supernovae (SNe) have
discovered several thousand events, many of them in quite nearby galaxies (distances< 30 …

Supernovae in 2023 (review): breakthroughs by late observations

N Soker - arXiv preprint arXiv:2311.17732, 2023 - arxiv.org
I present a review of how late observations of supernovae, of the nebular phase, and much
later of supernova remnants (SNRs), and their analysis in 2023 made progress towards …

Diversity in Hydrogen-rich Envelope Mass of Type II Supernovae. I. Plateau Phase Light-curve Modeling

Q Fang, K Maeda, H Ye, TJ Moriya… - The Astrophysical …, 2024 - iopscience.iop.org
We present a systematic study of Type II supernovae (SNe II) originating from progenitors
with effective temperatures (T eff) and luminosities closely resembling red supergiants …

Unravelling the asphericities in the explosion and multi-faceted circumstellar matter of SN 2023ixf

A Singh, RS Teja, TJ Moriya, K Maeda… - arXiv preprint arXiv …, 2024 - arxiv.org
We present a detailed investigation of photometric, spectroscopic, and polarimetric
observations of the Type II SN 2023ixf. The early detection of highly-ionized flash features …

Revisiting short-plateau SN 2018gj

VP Utrobin, NN Chugai - Astrophysics and Space Science, 2024 - Springer
We present an alternative model of unusual type-IIP SN 2018gj. Despite the short plateau
and early gamma-ray escape seeming to favor low-mass ejecta, our hydrodynamic model …

Luminous Type II Short-Plateau SN 2023ufx: Asymmetric Explosion of a Partially-Stripped Massive Progenitor

AP Ravi, S Valenti, Y Dong, D Hiramatsu… - arXiv preprint arXiv …, 2024 - arxiv.org
We present supernova (SN) 2023ufx, a unique Type IIP SN with the shortest known plateau
duration ($ t_\mathrm {PT} $$\sim $47 days), a luminous V-band peak ($ M_ {V} $= $-$18.42 …

A binary merger product as the direct progenitor of a Type II-P supernova

NC Sun, Z Niu, E Zapartas, D Souropanis, Y Cui… - 2025 - researchsquare.com
Abstract Type II-P supernovae (SNe II-P) are the most common type of core-collapse SNe in
the local Universe. The progenitors of SNe II-P have been directly observed in fortuitous pre …