Far-ultraviolet to near-infrared observations of SN 2023ixf: a high-energy explosion engulfed in complex circumstellar material

RS Teja, A Singh, J Basu, GC Anupama… - The Astrophysical …, 2023 - iopscience.iop.org
We present early-phase panchromatic photometric and spectroscopic coverage spanning
the far-ultraviolet to near-infrared regime of the nearest hydrogen-rich core-collapse …

Synthetic red supergiant explosion model grid for systematic characterization of Type II supernovae

TJ Moriya, BM Subrayan, D Milisavljevic… - Publications of the …, 2023 - academic.oup.com
A new model grid containing 228016 synthetic red supergiant explosions (Type II
supernovae) is introduced. Time evolution of spectral energy distributions from 1 to 50000 Å …

SN 2018gj: a short plateau type II supernova with persistent blueshifted Ha emission

RS Teja, A Singh, DK Sahu, GC Anupama… - The Astrophysical …, 2023 - iopscience.iop.org
We present an extensive, panchromatic photometric (UV, optical, and near-IR) and low-
resolution optical spectroscopic coverage of a Type IIP supernova SN 2018gj that occurred …

SN 2020jfo: a short-plateau type II supernova from a low-mass progenitor

RS Teja, A Singh, DK Sahu, GC Anupama… - The Astrophysical …, 2022 - iopscience.iop.org
We present spectroscopic and photometric observations of the Type IIP supernova, SN
2020jfo, in ultraviolet and optical wavelengths. SN 2020jfo occurred in the spiral galaxy M61 …

Luminosity distribution of Type II supernova progenitors

Ó Rodríguez - Monthly Notices of the Royal Astronomical …, 2022 - academic.oup.com
ABSTRACT I present progenitor luminosities (L) for a sample of 112 Type II supernovae
(SNe II), computed directly from progenitor photometry and the bolometric correction …

SN 2018hfm: a low-energy Type II supernova with prominent signatures of circumstellar interaction and dust formation

X Zhang, X Wang, H Sai… - Monthly Notices of …, 2022 - academic.oup.com
We present multiband optical photometric and spectroscopic observations of an unusual
Type II supernova, SN 2018hfm, which exploded in the nearby (d≈ 34.67 Mpc) dwarf galaxy …

Intermediate-luminosity Type IIP SN 2021gmj: a low-energy explosion with signatures of circumstellar material

Y Murai, M Tanaka, M Kawabata… - Monthly Notices of …, 2024 - academic.oup.com
We present photometric, spectroscopic, and polarimetric observations of the intermediate-
luminosity Type IIP supernova (SN) 2021gmj from 1 to 386 d after the explosion. The peak …

Constraining the time of gravitational-wave emission from core-collapse supernovae

K Gill, G Hosseinzadeh, E Berger… - The Astrophysical …, 2022 - iopscience.iop.org
The advent of sensitive gravitational-wave (GW) detectors, coupled with wide-field, high-
cadence optical time-domain surveys, raises the possibility of the first joint GW …

The iron yield of normal Type II supernovae

Ó Rodríguez, N Meza, J Pineda-García… - Monthly Notices of the …, 2021 - academic.oup.com
We present 56Ni mass estimates for 110 normal Type II supernovae (SNe II), computed here
from their luminosity in the radioactive tail. This sample consists of SNe from the literature …

Are Stripped Envelope Supernovae Really Deficient in 56Ni?

R Ouchi, K Maeda, JP Anderson… - The Astrophysical …, 2021 - iopscience.iop.org
Recent works have indicated that the 56 Ni masses estimated for stripped envelope
supernovae (SESNe) are systematically higher than those estimated for SNe II. Although this …