The complex circumstellar environment of supernova 2023ixf

EA Zimmerman, I Irani, P Chen, A Gal-Yam, S Schulze… - Nature, 2024 - nature.com
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 SN 2023ixf progenitor in M101. I. Infrared variability

MD Soraisam, T Szalai, SD Van Dyk… - The Astrophysical …, 2023 - iopscience.iop.org
Observational evidence points to a red supergiant (RSG) progenitor for SN 2023ixf. The
progenitor candidate has been detected in archival images at wavelengths (≥ 0.6 μm) …

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 …

ULTRASAT: A wide-field time-domain UV space telescope

Y Shvartzvald, E Waxman, A Gal-Yam… - The Astrophysical …, 2024 - iopscience.iop.org
Abstract The Ultraviolet Transient Astronomy Satellite (ULTRASAT) is scheduled to be
launched to geostationary orbit in 2027. It will carry a telescope with an unprecedentedly …

A shock flash breaking out of a dusty red supergiant

G Li, M Hu, W Li, Y Yang, X Wang, S Yan, L Hu… - Nature, 2024 - nature.com
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 …

The zwicky transient facility bright transient survey. III. BTSbot: automated identification and follow-up of bright transients with deep learning

N Rehemtulla, AA Miller, TJ Du Laz… - The Astrophysical …, 2024 - iopscience.iop.org
Abstract The Bright Transient Survey (BTS) aims to obtain a classification spectrum for all
bright (m peak≤ 18.5 mag) extragalactic transients found in the Zwicky Transient Facility …

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 …

Progenitor mass and ejecta asymmetry of supernova 2023ixf from nebular spectroscopy

L Ferrari, G Folatelli, K Ertini, H Kuncarayakti… - Astronomy & …, 2024 - aanda.org
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 …

The progenitor star of SN 2023ixf: a massive red supergiant with enhanced, episodic pre-supernova mass loss

YJ Qin, K Zhang, J Bloom, J Sollerman… - Monthly Notices of …, 2024 - academic.oup.com
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 …

The progenitor of SN 2023ixf from hydrodynamical modeling

MC Bersten, M Orellana, G Folatelli, L Martinez… - Astronomy & …, 2024 - aanda.org
Context. The supernova (SN) 2023ixf is among the nearest Type II SNe discovered in recent
decades. As such, there is a wealth of observational data of both the event itself and of the …