The progenitor star of SN 2023ixf: a massive red supergiant with enhanced, episodic pre-supernova mass loss
We identify the progenitor star of SN 2023ixf in Messier 101 using Keck/NIRC2 adaptive
optics imaging and pre-explosion Hubble Space Telescope (HST)/Advanced Camera for …
optics imaging and pre-explosion Hubble Space Telescope (HST)/Advanced Camera for …
The red supergiant progenitor luminosity problem
ER Beasor, N Smith, JE Jencson - The Astrophysical Journal, 2025 - iopscience.iop.org
Abstract Analysis of pre-explosion imaging has confirmed red supergiants (RSGs) as the
progenitors to Type II-P supernovae (SNe). However, extracting an RSG's luminosity …
progenitors to Type II-P supernovae (SNe). However, extracting an RSG's luminosity …
Diversity in Hydrogen-rich Envelope Mass of Type II Supernovae. II. SN 2023ixf as Explosion of Partially Stripped Intermediate Massive Star
SN 2023ixf is one of the most well-observed core-collapse supernovae in recent decades,
yet there is inconsistency in the inferred zero-age main-sequence (ZAMS) mass M ZAMS of …
yet there is inconsistency in the inferred zero-age main-sequence (ZAMS) mass M ZAMS of …
SN 2023ixf--an average-energy explosion with circumstellar medium and a precursor
Abridged: The fortunate proximity of the SN2023ixf allowed astronomers to follow its
evolution from almost the moment of the collapse of the progenitor's core. SN2023ixf can be …
evolution from almost the moment of the collapse of the progenitor's core. SN2023ixf can be …
Extended Shock Breakout and Early Circumstellar Interaction in SN 2024ggi
M Shrestha, KA Bostroem, DJ Sand… - The Astrophysical …, 2024 - iopscience.iop.org
We present high-cadence photometric and spectroscopic observations of supernova (SN)
2024ggi, a Type II SN with flash spectroscopy features, which exploded in the nearby galaxy …
2024ggi, a Type II SN with flash spectroscopy features, which exploded in the nearby galaxy …
Finding the Fuse: Prospects for the Detection and Characterization of Hydrogen-rich Core-collapse Supernova Precursor Emission with the LSST
Enhanced emission in the months to years preceding explosion has been detected for
several core-collapse supernovae (SNe). Though the physical mechanisms driving the …
several core-collapse supernovae (SNe). Though the physical mechanisms driving the …
ATClean: a novel method for detecting low-luminosity transients and application to pre-explosion counterparts from SN 2023ixf
S Rest, A Rest, CD Kilpatrick, JE Jencson… - The Astrophysical …, 2025 - iopscience.iop.org
In an effort to search for faint sources of emission over arbitrary timescales, we present a
novel method for analyzing forced photometry light curves in difference imaging from optical …
novel method for analyzing forced photometry light curves in difference imaging from optical …
Search for gravitational waves emitted from SN 2023ixf
AG Abac, R Abbott, I Abouelfettouh, F Acernese… - arXiv preprint arXiv …, 2024 - arxiv.org
We present the results of a search for gravitational-wave transients associated with core-
collapse supernova SN 2023ixf, which was observed in the galaxy Messier 101 via optical …
collapse supernova SN 2023ixf, which was observed in the galaxy Messier 101 via optical …
One Year of SN 2023ixf: Breaking Through the Degenerate Parameter Space in Light-Curve Models with Pulsating Progenitors
B Hsu, N Smith, JA Goldberg, KA Bostroem… - arXiv preprint arXiv …, 2024 - arxiv.org
We present and analyze the extensive optical broadband photometry of the Type II SN
2023ixf up to one year after explosion. We find that, when compared to two pre-existing …
2023ixf up to one year after explosion. We find that, when compared to two pre-existing …
Signatures of the Shock Interaction as an Additional Power Source in the Nebular Spectra of SN 2023ixf
A Kumar, R Dastidar, JR Maund, AJ Singleton… - arXiv preprint arXiv …, 2024 - arxiv.org
Red supergiants may lose significant mass through steady winds and episodic eruptions in
the final 100-1000 years before the core collapses, shaping their circumstellar environment …
the final 100-1000 years before the core collapses, shaping their circumstellar environment …