114 citations · 234 across the 23 of their papers we have counts for
25 papers
Diversity of stripped-envelope supernova light curves from interaction with binary-driven circumstellar material
Dandan Wei, Fabian R. N. Schneider, Philipp Podsiadlowski +2
A growing number of core-collapse supernovae (CCSNe) exhibit diverse light-curve morphologies that indicate strong interaction with dense, pre-existing circumstellar material (CSM)…
A Radiation-Hydrodynamic Light Curve Grid and Interpolation Framework for Stripped-Envelope Supernovae
Qiliang Fang, Takashi J. Moriya
We present a grid of 8,148 stripped-envelope supernovae (SESNe) light curves based on radiation hydrodynamic simulations of exploding helium-star progenitors. The grid spans an eje…
Radio Constraints on the Circumstellar Environment of the Type IIb Supernova SN 2024iss
Yuhei Iwata, Tomoki Matsuoka, Masanori Akimoto +6
Type~IIb supernovae exhibit diverse progenitor properties, and radio observations offer a unique probe of their mass-loss histories shortly before the explosion. We present Japanes…
The double white dwarf merger model for the progenitors of SN 2021yfj-like events
Dongdong Liu, Chengyuan Wu, Takashi J. Moriya +4
Context. Recently, a new class of supernovae with prominent narrow emission features of Si, S and Ar has been reported, i.e. SN 2021yfj-like events (SNe Ien). Their progenitor orig…
GREX-PLUS Science Book v2
PLUS Science Team, Shunsuke Baba, Sirio Belli +52
GREX-PLUS (Galaxy Reionization EXplorer and PLanetary Universe Spectrometer) is a mission candidate for a JAXA strategic L-class mission to be launched in the 2030s. Its primary sc…
Surrogate models for type II supernovae: Probing low-energy explosions and interaction-free regimes
Zhengyang Zhang, Shuai Zha, Nikhil Sarin +3
To address the computational bottleneck of analyzing type II supernova samples from surveys such as the Legacy Survey of Space and Time, we present two STELLA-based neural-network…
Superlinear Type II Superluminous Supernovae 2017fck and 2019cmv: A Possible Origin from Interacting Thermonuclear Supernovae
Daichi Hiramatsu, Takashi J. Moriya, D. Andrew Howell +9
Additional power sources to traditional supernovae (SNe) are necessary to account for the extreme luminosities of superluminous SNe (SLSNe). A main power source for hydrogen-rich S…
The JADES Transient Survey III: Linking Core-Collapse Supernova Rates to Cosmic Star Formation
Christian Vassallo, Seppo Mattila, Christa DeCoursey +24
We investigate how core-collapse supernova (CCSN) rates trace the star-formation rate densities (SFRDs) over the redshift range . For this we use new high-redshift r…
Elemental Abundances from Off-center Carbon Burning in Accreting CO White Dwarfs: Implications for SN 2021yfj-like events
Chengyuan Wu, Dongdong Liu, Takashi J. Moriya +3
SN 2021yfj is a recently discovered interacting supernova that exhibits narrow emission lines of Si, S, and Ar, indicating the presence of circumstellar material (CSM) enriched wit…
Electron-capture Supernova Candidates from Light Curves: Implications for Their Progenitors and Explosion Properties
Masato Sato, Nozomu Tominaga, Sergei I. Blinnikov +5
Core-collapse supernovae are explosions of massive stars. While most massive stars end as iron-core-collapse supernovae, less massive stars are expected to explode as electron-capt…
Massive Stars in the Thirties: awaiting new Hubble discoveries
Lidia M. Oskinova, Sylvia Ekström, Miriam Garcia +4
Massive stars play a fundamental role in shaping the evolution of galaxies through feedback, chemical enrichment, and their end products as neutron stars and black holes. Despite m…
Discovery and Analysis of a Type II Supernova Candidate at z = 3.19 from JWST's COSMOS-Web Survey
Valeria Aparicio, David O. Jones, Willem B. Hoogendam +21
The launch of the James Webb Space Telescope (JWST) has enabled the discovery of a small but increasing sample of high-redshift core-collapse supernovae (CC SNe), which provide new…
The pair-instability origin of supernova 2023vbw
Daichi Hiramatsu, Edo Berger, Daichi Tsuna +18
Stars in the initial and carbon-oxygen core mass ranges of and M, respectively, with low metallicity are predicted to experience copious electron-pos…
Supernovae interacting with Si and S-rich circumstellar matter from double white dwarf mergers
Takashi J. Moriya, Chengyuan Wu, Dongdong Liu +2
We present that supernovae interacting with a dense Si and S-rich circumstellar matter like SN 2021yfj can originate from mergers of two white dwarfs. A C+O white dwarf accreting H…
Reconciling the Tension Between Light Curve Modeling of Type II Supernovae and Neutrino-Driven Core-Collapse Supernovae Models with Late-Phase Spectroscopy
Qiliang Fang, Hiroki Nagakura, Takashi J. Moriya
Type II supernovae (SNe II) are the most frequently observed outcome of core-collapse explosions and provide a valuable window into the physical mechanisms governing the deaths of…
Diversity in Hydrogen-rich Envelope Mass of Type II Supernovae. (III). The mass-loss and evolutionary pathways of the red supergiant progenitors
Qiliang Fang, Takashi J. Moriya, Keiichi Maeda +2
We present a comprehensive analysis of 32 type II supernovae (SNe II) with plateau phase photometry and late phase () spectroscopy available, aiming to bridge the gap betw…
Surrogate models for lightcurves and photosphere properties of Type II supernovae
Nikhil Sarin, Takashi J. Moriya, Avinash Singh +5
Inferences on the properties Type II supernovae (SNe) can provide significant insights into the lives and deaths of the astrophysical population of massive stars and potentially pr…
Red Supergiant problem viewed from the nebular phase spectroscopy of type II supernovae
Qiliang Fang, Takashi J. Moriya, Keiichi Maeda
The red supergiant (RSG) problem refers to the observed dearth of luminous RSGs identified as progenitors of Type II supernovae (SNe II) in pre-SN imaging. Understanding this pheno…
Diversity in hydrogen-rich envelope mass of type II supernovae (II): SN 2023ixf as explosion of partially-stripped intermediate massive star
Qiliang Fang, Takashi J. Moriya, Lucía Ferrari +6
SN 2023ixf is one of the most well-observed core-collapse supernova in recent decades, yet there is inconsistency in the inferred zero-age-main-sequence (ZAMS) mass …
SN 2021foa: the bridge between SN IIn and Ibn
Anjasha Gangopadhyay, Naveen Dukiya, Takashi J Moriya +26
We present the long-term photometric and spectroscopic analysis of a transitioning SN~IIn/Ibn from 10.8 d to 150.7 d post -band maximum. SN~2021foa shows prominent He {\sc i}…
Progenitor and explosion properties of SN 2023ixf estimated based on a light-curve model grid of Type II supernovae
Takashi J. Moriya, Avinash Singh
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 o…
Unravelling the asphericities in the explosion and multi-faceted circumstellar matter of SN 2023ixf
Avinash Singh, R. S. Teja, T. J. Moriya +33
We present a detailed investigation of photometric, spectroscopic, and polarimetric observations of the Type II SN 2023ixf. Earlier studies have provided compelling evidence for a…
Diversity in hydrogen-rich envelope mass of type II supernovae (I): -band light curve modeling
Qiliang Fang, Keiichi Maeda, Haonan Ye +2
We present a systematic study of Type II supernovae (SNe II) originating from progenitors with effective temperatures () and luminosities closely resembling red superg…
A hot and fast ultra-stripped supernova that likely formed a compact neutron star binary
K. De, M. M. Kasliwal, E. O. Ofek +24
Compact neutron star binary systems are produced from binary massive stars through stellar evolution involving up to two supernova explosions. The final stages in the formation of…