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We consider black hole formation in failed supernovae when a dense circumstellar medium (CSM) is present around the massive star progenitor. By utilizing radiation hydrodynamical simulations, we calculate the mass ejection of blue…

高能天体物理现象 · 物理学 2020-07-22 Daichi Tsuna , Ayako Ishii , Naoto Kuriyama , Kazumi Kashiyama , Toshikazu Shigeyama

We present in this paper a public data release of an unprecedentedly-large set of core-collapse supernova (CCSN) neutrino emission models, comprising one hundred detailed 2D-axisymmetric radiation-hydrodynamic simulations evolved out to as…

高能天体物理现象 · 物理学 2023-07-19 David Vartanyan , Adam Burrows

Core-collapse supernova remnants are the nebular leftover of defunct massive stars which have died during a supernova explosion, mostly while undergoing the red supergiant phase of their evolution. The morphology and emission properties of…

高能天体物理现象 · 物理学 2024-04-12 D M A Meyer , P F Velazquez , M Pohl , K Egberts , M Petrov , M A Villagran , D F Torres , R Batzofin

Cosmic microwave background experiments have experienced an exponential increase in complexity, data size and sensitivity. One of the goals of current and future experiments is to characterize the B-mode power spectrum, which would be…

天体物理仪器与方法 · 物理学 2020-07-07 P. Fluxá , M. K. Brewer , R. Dünner

We present photometric and spectroscopic data of SN 2018lab, a low luminosity type IIP supernova (LLSN) with a V-band peak luminosity of $-15.1\pm0.1$ mag. SN 2018lab was discovered by the Distance Less Than 40 Mpc (DLT40) SNe survey only…

SN 2008es is one of the rare cases of a Type II superluminous supernova (SLSN) showing no relatively narrow features in its early-time spectra, and therefore its powering mechanism is under debate between circumstellar interaction (CSI) and…

高能天体物理现象 · 物理学 2019-07-31 Kornpob Bhirombhakdi , Ryan Chornock , Adam A. Miller , Alexei V. Filippenko , S. Bradley Cenko , Nathan Smith

Type Icn supernovae (SNe Icn) are a newly detected rare subtype of interacting stripped-envelope supernovae which show narrow P-Cygni lines of highly ionized carbon, oxygen, and neon in their early spectra due to the interactions of the SNe…

高能天体物理现象 · 物理学 2024-05-14 Chengyuan Wu , Shuai Zha , Yongzhi Cai , Zhengyang Zhang , Yi Yang , Danfeng Xiang , Weili Lin , Xiaofeng Wang , Bo Wang

In recent years, wide-field sky surveys providing deep multi-band imaging have presented a new path for indirectly characterizing the progenitor populations of core-collapse supernovae (SN): systematic light curve studies. We assemble a set…

We present X-shooter observations of a sample of 21 hydrogen-poor superluminous supernovae (SLSNe-I), spanning a redshift range of z=0.13-0.95, aimed at searching for shells of circumstellar material (CSM). Specifically, we focus on…

Supernova (SN) 2002hh was unusual among core-collapse SNe because it was highly reddened, and displayed a bright infrared (IR) excess due to radiatively heated dust in its circumstellar medium (CSM). Estimates for the mass of dust…

星系天体物理 · 物理学 2015-05-14 Jennifer E. Andrews , Nathan Smith , Jon C. Mauerhan

We present our results on the {\gamma}-ray emission from interaction-powered supernovae (SNe), a recently discovered SN type that is suggested to be surrounded by a circumstellar medium (CSM) with densities 10^7-10^12~ cm^-3. Such high…

高能天体物理现象 · 物理学 2016-07-21 Dimitrios Kantzas , Maria Petropoulou , Apostolos Mastichiadis

The observational properties of core-collapse supernovae (CC-SNe) are shaped by the envelopes of their progenitors. In massive binary systems, mass-transfer alters the pre-SN structures compared to single stars, leading to a diversity in SN…

太阳与恒星天体物理 · 物理学 2026-02-11 Andrea Ercolino , Harim Jin , Norbert Langer , Avishay Gal-Yam , Abel Schootemeijer , Caroline Mannes

The prediction of protein interactions (CPIs) is crucial for the in-silico screening step in drug discovery. Recently, many end-to-end representation learning methods using deep neural networks have achieved significantly better performance…

定量方法 · 定量生物学 2020-11-30 Jingtao Wang , Xi Li , Hua Zhang

We carry out a comprehensive study of supernova ejecta-companion interaction in massive binary systems. We aim to physically understand the kinematics of the interaction and predict observational signatures. To do this we perform…

高能天体物理现象 · 物理学 2018-10-10 Ryosuke Hirai , Philipp Podsiadlowski , Shoichi Yamada

Supernovae of Type IIn (narrow line) appear to be explosions that had strong mass loss before the event, so that the optical luminosity is powered by the circumstellar interaction. If the mass loss region has an optical depth $>c/v_s$,…

高能天体物理现象 · 物理学 2015-06-15 Roger A. Chevalier

We model the interaction of the supernova SN 1995G with a dense circumstellar (CS) gas in a thin shell approximation. A model fit of the observed bolometric light curve combined with data on the supernova expansion velocity provides an…

天体物理学 · 物理学 2009-11-07 N. N. Chugai , I. J. Danziger

Early light curves of many core-collapse supernovae (SNe) are thought to be powered by the interaction of the shock wave with optically thick extended material, either a bound envelope or preexplosion ejected circumstellar matter (CSM). We…

高能天体物理现象 · 物理学 2026-03-09 Tal Wasserman , Eli Waxman

For supernova powered by the conversion of kinetic energy into radiation due to the interactions of the ejecta with a dense circumstellar shell, we show that there could be X-ray analogues of optically super-luminous SNe with comparable…

高能天体物理现象 · 物理学 2015-06-15 Tony Pan , Daniel J. Patnaude , Abraham Loeb

Core-collapse Supernovae (CC-SNe) descend from progenitors more massive than about 8 Msun. Because of the young age of the progenitors, the ejecta may eventually interact with the circumstellar medium (CSM) via highly energetic processes…

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, we study the SN outburst properties for a red supergiant…

太阳与恒星天体物理 · 物理学 2017-09-06 V. P. Utrobin , A. Wongwathanarat , H. -Th. Janka , E. Mueller