297 citations · 2.1k across the 31 of their papers we have counts for
31 papers
Origin of holes and rings in the Green Monster of Cassiopeia A: Insights from 3D magnetohydrodynamic simulations
S. Orlando, H. -T. Janka, A. Wongwathanarat +10
[Abridged] Cassiopeia A (Cas A) provides a unique opportunity to study supernova (SN) dynamics and interactions with the circumstellar medium (CSM). Recent JWST observations reveal…
Filamentary Ejecta Network in Cassiopeia~A Reveals Fingerprints of the Supernova Explosion Mechanism
S. Orlando, H. -T. Janka, A. Wongwathanarat +7
[Abridged] Recent JWST observations have revealed an intricate filamentary network of unshocked ejecta in the young supernova remnant (SNR) Cassiopeia A (Cas A), offering new insig…
Unveiling the Physics of Core-Collapse Supernovae with the Line Emission Mapper: Observing Cassiopeia A
S. Orlando, M. Miceli, D. J. Patnaude +12
(Abridged) Core-collapse supernova remnants (SNRs) display complex morphologies and asymmetries, reflecting anisotropies from the explosion and early interactions with the circumst…
Diagnostics of 3D explosion asymmetries of stripped-envelope supernovae by nebular line profiles
Bart van Baal, Anders Jerkstrand, Annop Wongwathanarat +1
Understanding the explosion mechanism and hydrodynamic evolution of core-collapse supernovae is a long-standing quest in astronomy. The asymmetries caused by the explosion are enco…
Modelling supernova nebular lines in 3D with
Bart van Baal, Anders Jerkstrand, Annop Wongwathanarat +1
We present (EXplosive TRAnsient Spectral Simulator), a newly developed code aimed at generating 3D spectra for supernovae in the nebular phase by using modern mu…
Evidence for past interaction with an asymmetric circumstellar shell in the young SNR Cassiopeia A
S. Orlando, A. Wongwathanarat, H. -T. Janka +8
Observations of the SNR Cassiopeia A (Cas A) show asymmetries in the reverse shock that cannot be explained by models describing a remnant expanding through a spherically symmetric…
Modeling Core-Collapse Supernovae Gravitational-Wave Memory in Laser Interferometric Data
Colter Richardson, Michele Zanolin, Haakon Andresen +3
We study the properties of the gravitational wave (GW) emission between Hz and Hz (which we refer to as low-frequency emission) from core-collapse supernovae, in the…
Supernova Fallback as Origin of Neutron Star Spins and Spin-kick Alignment
H. -Thomas Janka, Annop Wongwathanarat, Michael Kramer
Natal kicks and spins are characteristic properties of neutron stars (NSs) and black holes (BHs). Both offer valuable clues to dynamical processes during stellar core collapse and…
Supernova 1987A: 3D Mixing and light curves for explosion models based on binary-merger progenitors
V. P. Utrobin, A. Wongwathanarat, H. -Th. Janka +4
Six binary-merger progenitors of Supernova 1987A (SN 1987A) with properties close to those of the blue supergiant Sanduleak -69 202 are exploded by neutrino heating and evolved unt…
Linking core-collapse supernova explosions to supernova remnants through 3D MHD modeling
S. Orlando, A. Wongwathanarat, H. -T. Janka +5
The structure and morphology of supernova remnants (SNRs) reflect the properties of the parent supernovae (SNe) and the characteristics of the inhomogeneous environments through wh…
The fully developed remnant of a neutrino-driven supernova: Evolution of ejecta structure and asymmetries in SNR Cassiopeia A
S. Orlando, A. Wongwathanarat, H. -T. Janka +5
Abridged. We aim at exploring to which extent the remnant keeps memory of the asymmetries that develop stochastically in the neutrino-heating layer due to hydrodynamic instabilitie…
The infancy of core-collapse supernova remnants
Michael Gabler, Annop Wongwathanarat, Hans-Thomas Janka
We present 3D hydrodynamic simulations of neutrino-driven supernovae (SNe) with the PROMETHEUS-HOTB code, evolving the asymmetrically expanding ejecta from shock breakout until the…
Three-dimensional Models of Core-collapse Supernovae From Low-mass Progenitors With Implications for Crab
G. Stockinger, H. -Th. Janka, D. Kresse +9
We present 3D full-sphere supernova simulations of non-rotating low-mass (~9 Msun) progenitors, covering the entire evolution from core collapse through bounce and shock revival, t…
X-Ray and Gamma-Ray Emission From Core-collapse Supernovae: Comparison of Three-dimensional Neutrino-driven Explosions With SN 1987A
Dennis Alp, Josefin Larsson, Keiichi Maeda +7
During the first few hundred days after the explosion, core-collapse supernovae (SNe) emit down-scattered X-rays and gamma-rays originating from radioactive line emissions, primari…
A Generalized Solution Method for Parallelized Computation of the Three-dimensional Gravitational Potential on a Multi-patch grid in Spherical Geometry
Annop Wongwathanarat
We present a generalized algorithm based on a spherical harmonics expansion method for efficient computation of the three-dimensional gravitational potential on a multi-patch grid…
Three-dimensional mixing and light curves: constraints on the progenitor of supernova 1987A
Victor Utrobin, Annop Wongwathanarat, H. -Thomas Janka +3
With the same method as used previously, we investigate neutrino-driven explosions of a larger sample of blue supergiant models. The larger sample includes three new presupernova s…
X-ray Absorption in Young Core-Collapse Supernova Remnants
Dennis Alp, Josefin Larsson, Claes Fransson +3
The material expelled by core-collapse supernova (SN) explosions absorbs X-rays from the central regions. We use SN models based on three-dimensional neutrino-driven explosions to…
Intermediate-Mass-Elements in Young Supernova Remnants Reveal Neutron Star Kicks by Asymmetric Explosions
Satoru Katsuda, Mikio Morii, Hans-Thomas Janka +9
The birth properties of neutron stars yield important information on the still debated physical processes that trigger the explosion and on intrinsic neutron-star physics. These pr…
Spatial distribution of radionuclides in 3D models of SN 1987A and Cas A
H. -Thomas Janka, Michael Gabler, Annop Wongwathanarat
Fostered by the possibilities of multi-dimensional computational modeling, in particular the advent of three-dimensional (3D) simulations, our understanding of the neutrino-driven…
Light curve analysis of ordinary type IIP supernovae based on neutrino-driven explosion simulations in three dimensions
V. P. Utrobin, A. Wongwathanarat, H. -Th. Janka +1
Type II-plateau supernovae (SNe IIP) are the most numerous subclass of core-collapse SNe originating from massive stars. In the framework of the neutrino-driven explosion mechanism…
Production and Distribution of Ti and Ni in a Three-dimensional Supernova Model Resembling Cassiopeia A
A. Wongwathanarat, H. -Th. Janka, E. Mueller +2
The spatial and velocity distributions of nuclear species synthesized in the innermost regions of core-collapse supernovae can yield important clues about explosion asymmetries and…
APSARA: A multi-dimensional unsplit fourth-order explicit Eulerian hydrodynamics code for arbitrary curvilinear grids
Annop Wongwathanarat, Hannes Grimm-Strele, Ewald Müller
We present a new fourth-order, finite-volume hydrodynamics code named Apsara. The code employs a high-order, finite-volume method for mapped coordinates with extensions for nonline…
Supernova 1987A: neutrino-driven explosions in three dimensions and light curves
Victor Utrobin, Annop Wongwathanarat, H. -Thomas Janka +1
The well-studied type IIP SN 1987A, produced by the explosion of a blue supergiant (BSG) star, is a touchstone for massive-star evolution, simulations of neutrino-driven explosions…
Three-Dimensional Simulations of Core-Collapse Supernovae: From Shock Revival to Shock Breakout
Annop Wongwathanarat, Ewald Mueller, H. -Thomas Janka
We present 3D simulations of core-collapse supernovae from blast-wave initiation by the neutrino-driven mechanism to shock breakout from the stellar surface, considering two 15 Msu…