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 …

SN 2017gmr: An energetic Type II-P supernova with asymmetries

JE Andrews, DJ Sand, S Valenti, N Smith… - The Astrophysical …, 2019 - iopscience.iop.org
We present high-cadence UV, optical, and near-infrared data on the luminous Type II-P
supernova SN 2017gmr from hours after discovery through the first 180 days. SN 2017gmr …

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 …

Intermediate luminosity type Iax supernova 2019muj with narrow absorption lines: Long-lasting radiation associated with a possible bound remnant predicted by the …

M Kawabata, K Maeda, M Yamanaka… - Publications of the …, 2021 - academic.oup.com
We present comprehensive spectroscopic and photometric analyses of the intermediate
luminosity type Iax supernova (SN Iax) 2019muj based on multi-band datasets observed …

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 …

Excavating the explosion and progenitor properties of type IIP supernovae via modeling of their optical light curves

W Ricks, VV Dwarkadas - The Astrophysical Journal, 2019 - iopscience.iop.org
The progenitors of Type IIP supernovae (SNe) are known to be red supergiants, but their
properties are not well determined. We employ hydrodynamical modeling to investigate the …

On the observational behaviour of the highly polarized Type IIn supernova SN 2017hcc

B Kumar, C Eswaraiah, A Singh… - Monthly Notices of …, 2019 - academic.oup.com
We present the results based on photometric (Swift UVOT), broad-band polarimetric (V and
R bands) and optical spectroscopic observations of the Type IIn supernova (SN) 2017hcc …

Observational signature of circumstellar interaction and 56Ni-mixing in the Type II Supernova 2016gfy

A Singh, B Kumar, TJ Moriya… - The Astrophysical …, 2019 - iopscience.iop.org
The optical and ultraviolet broadband photometric and spectroscopic observations of the
Type II supernova (SN) 2016gfy are presented. The V-band light curve (LC) shows a distinct …

SN 2019nyk: A rapidly declining Type II supernova with early interaction signatures

R Dastidar, G Pignata, N Dukiya, K Misra… - Astronomy & …, 2024 - aanda.org
We present an optical photometric and spectroscopic analysis of the fast-declining hydrogen-
rich Type II supernova (SN) 2019nyk. The light curve properties of SN 2019nyk align well …