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 …
High-resolution spectroscopy of SN 2023ixf's first week: engulfing the asymmetric circumstellar material
N Smith, J Pearson, DJ Sand, I Ilyin… - The Astrophysical …, 2023 - iopscience.iop.org
We present a series of high-resolution echelle spectra of SN 2023ixf in M101, obtained
nightly during the first week or so after discovery using PEPSI on the Large Binocular …
nightly during the first week or so after discovery using PEPSI on the Large Binocular …
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 …
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) …
progenitor candidate has been detected in archival images at wavelengths (≥ 0.6 μm) …
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 …
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 …
ULTRASAT: A wide-field time-domain UV space telescope
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 …
launched to geostationary orbit in 2027. It will carry a telescope with an unprecedentedly …
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 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 …
bright (m peak≤ 18.5 mag) extragalactic transients found in the Zwicky Transient Facility …
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 …