From discovery to the first month of the type II supernova 2023ixf: high and variable mass loss in the final year before explosion
We present the discovery of the Type II supernova SN 2023ixf in M101 and follow-up
photometric and spectroscopic observations, respectively, in the first month and week of its …
photometric and spectroscopic observations, respectively, in the first month and week of its …
Early spectroscopy and dense circumstellar medium interaction in SN 2023ixf
KA Bostroem, J Pearson, M Shrestha… - The Astrophysical …, 2023 - iopscience.iop.org
We present the optical spectroscopic evolution of SN 2023ixf seen in subnight cadence
spectra from 1.18 to 15 days after explosion. We identify high-ionization emission features …
spectra from 1.18 to 15 days after explosion. We identify high-ionization emission features …
The complex circumstellar environment of supernova 2023ixf
The early evolution of a supernova (SN) can reveal information about the environment and
the progenitor star. When a star explodes in vacuum, the first photons to escape from its …
the progenitor star. When a star explodes in vacuum, the first photons to escape from its …
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 …
A comprehensive optical search for pre-explosion outbursts from the quiescent progenitor of SN 2023ixf
We perform a comprehensive search for optical precursor emission at the position of SN
2023ixf using data from the DLT40, ZTF, and ATLAS surveys. By comparing the current data …
2023ixf using data from the DLT40, ZTF, and ATLAS surveys. By comparing the current data …
A shock flash breaking out of a dusty red supergiant
Shock-breakout emission is light that arises when a shockwave, generated by the core-
collapse explosion of a massive star, passes through its outer envelope. Hitherto, the …
collapse explosion of a massive star, passes through its outer envelope. Hitherto, the …
The dusty red supergiant progenitor and the local environment of the Type II SN 2023ixf in M101
Z Niu, NC Sun, JR Maund, Y Zhang… - The Astrophysical …, 2023 - iopscience.iop.org
As one of the closest supernovae (SNe) in the last decade, SN 2023ixf is an unprecedented
target to investigate the progenitor star that exploded. However, there is still significant …
target to investigate the progenitor star that exploded. However, there is still significant …
Circumstellar Interaction in the Ultraviolet Spectra of SN 2023ixf 14–66 Days After Explosion
KA Bostroem, DJ Sand, L Dessart… - The Astrophysical …, 2024 - iopscience.iop.org
SN 2023ixf was discovered in M101 within a day of the explosion and rapidly classified as a
Type II supernova with flash features. Here we present ultraviolet (UV) spectra obtained with …
Type II supernova with flash features. Here we present ultraviolet (UV) spectra obtained with …
Constraining MeV-scale axionlike particles with Fermi-LAT observations of SN 2023ixf
E Ravensburg, P Carenza, C Eckner, A Goobar - Physical Review D, 2024 - APS
The Fermi-LAT observations of SN 2023ixf, a type II supernova in the nearby Pinwheel
Galaxy, Messier 101 (M101), presents us with an excellent opportunity to constrain MeV …
Galaxy, Messier 101 (M101), presents us with an excellent opportunity to constrain MeV …
Progenitor mass and ejecta asymmetry of supernova 2023ixf from nebular spectroscopy
Context. Supernova (SN) 2023ixf was discovered in the galaxy M 101 in May 2023. Its
proximity provided the scientific community an extremely valuable opportunity to study the …
proximity provided the scientific community an extremely valuable opportunity to study the …