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 …
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 …
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 …
Progenitor and explosion properties of SN 2023ixf estimated based on a light-curve model grid of Type II supernovae
We estimate the progenitor and explosion properties of the nearby Type II SN 2023ixf using
a synthetic model grid of Type II supernova light curves. By comparing the light curves of SN …
a synthetic model grid of Type II supernova light curves. By comparing the light curves of SN …
The Early Ultraviolet Light Curves of Type II Supernovae and the Radii of Their Progenitor Stars
We present a sample of 34 normal Type II supernovae (SNe II) detected with the Zwicky
Transient Facility, with multiband UV light curves starting at t≤ 4 days after explosion, and X …
Transient Facility, with multiband UV light curves starting at t≤ 4 days after explosion, and X …
The SN 2023ixf Progenitor in M101. II. Properties
SD Van Dyk, S Srinivasan, JE Andrews… - The Astrophysical …, 2024 - iopscience.iop.org
We follow our first paper with an analysis of the ensemble of the extensive preexplosion
ground-and space-based infrared observations of the red supergiant (RSG) progenitor …
ground-and space-based infrared observations of the red supergiant (RSG) progenitor …
Interacting supernovae as high-energy multimessenger transients
K Murase - Physical Review D, 2024 - APS
Multiwavelength observations have revealed that dense, confined circumstellar material
(CCSM) commonly exists in the vicinity of supernova (SN) progenitors, suggesting …
(CCSM) commonly exists in the vicinity of supernova (SN) progenitors, suggesting …
Forecast of strongly lensed supernovae rates in the China Space Station Telescope surveys
Strong gravitationally lensed supernovae (SNe) are a powerful probe for cosmology and
stellar physics. The relative time delays between lensed SN images provide an independent …
stellar physics. The relative time delays between lensed SN images provide an independent …
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 …
A Buddy for Betelgeuse: Binarity as the Origin of the Long Secondary Period in α Orionis
We predict the existence of α Ori B, a low-mass companion orbiting Betelgeuse. This is
motivated by the presence of a 2170 day long secondary period (LSP) in Betelgeuse's …
motivated by the presence of a 2170 day long secondary period (LSP) in Betelgeuse's …