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The 2012 brightening of SN 2009ip was dominated by emission from the interaction of ejecta with the surrounding circumstellar material (CSM) produced by episodic mass loss from the progenitor, complicating the diagnosis of whether the…

Spectral analysis of X-ray emission from ejecta in supernova remnants (SNRs) is hampered by the low spectral resolution of CCD cameras, which creates a degeneracy between the best-fit values of abundances and emission measure. The combined…

高能天体物理现象 · 物理学 2020-07-01 Emanuele Greco , Jacco Vink , Marco Miceli , Salvatore Orlando , Vladimir Domcek , Ping Zhou , Fabrizio Bocchino , Giovanni Peres

The light curves and spectra of many Type I and Type II supernovae (SNe) are heavily influenced by the interaction of the SN ejecta with circumstellar material (CSM) surrounding the progenitor star. The observed diversity shows that many…

太阳与恒星天体物理 · 物理学 2024-10-23 Andrea Ercolino

We compare the $\gamma$-ray spectra from 10 middle-aged supernova remnants (SNRs), which are interacting with molecular clouds (MCs), with the model prediction from widely used escaping scenario and direct interaction scenario. It is found…

高能天体物理现象 · 物理学 2018-08-15 Xiaping Tang

With large-scale surveys such as the Zwicky Transient Facility (ZTF), it has become possible to obtain a well-sampled light curve spanning the full length of the survey for any discovery within the survey footprint. Similarly, any transient…

This work aims to study different probes of Type Ia supernova progenitors that have been suggested to be linked to the presence of circumstellar material (CSM). In particular, we have investigated, for the first time, the link between…

高能天体物理现象 · 物理学 2021-07-20 Peter Clark , Kate Maguire , Mattia Bulla , Lluís Galbany , Mark Sullivan , Joseph P. Anderson , Stephen J. Smartt

Owing to their utility for measurements of cosmic acceleration, Type Ia supernovae (SNe) are perhaps the best-studied class of SNe, yet the progenitor systems of these explosions largely remain a mystery. A rare subclass of SNe Ia show…

Recently, Moriya et al. (2013) developed an analytic bolometric light curve model for supernovae interacting with dense circumstellar media. Because of the dense circumstellar medium, the shocked region is assumed to be radiative and make a…

高能天体物理现象 · 物理学 2014-02-12 Takashi J. Moriya

Identifying the progenitors of thermonuclear supernovae (Type Ia supernovae; SNe Ia) remains a key objective in contemporary astronomy. The rare subclass of SNe Ia that interacts with circumstellar material (Type Ia-CSM) allows for studies…

In this paper, we investigate the observational constraints on the scenario of vacuum energy interacting with cold dark matter. We consider eight typical interaction forms in such an interacting vacuum energy scenario. The observational…

宇宙学与河外天体物理 · 物理学 2019-06-26 Hai-Li Li , Lu Feng , Jing-Fei Zhang , Xin Zhang

Red supergiants may experience a short-lived period of episodic mass loss rather than steady winds before their core collapses, leading to dense circumstellar matter (CSM) close to core-collapse supernovae (SNe). Interaction of SN ejecta…

高能天体物理现象 · 物理学 2025-04-02 Maokai Hu , Lifan Wang , Xiaofeng Wang

The optical and near-IR emission from some classes of supernovae (SNe), including Type IIn and possibly some super-luminous SNe, is likely powered by a collision between the SN ejecta and dense circumstellar material (CSM). We argue that…

高能天体物理现象 · 物理学 2014-04-21 Kohta Murase , Todd A. Thompson , Eran O. Ofek

I review multiwavelength observations of material seen around different types of evolved massive stars (i.e. red supergiants, yellow hypergiants, luminous blue variables, B[e] supergiants, and Wolf-Rayet stars), concentrating on diagnostics…

太阳与恒星天体物理 · 物理学 2010-10-20 Nathan Smith

Supernova (SN) 1987A is the nearest supernova in $\sim$400 years. Using the {\em JWST} MIRI Medium Resolution Spectrograph, we spatially resolved the ejecta, equatorial ring (ER) and outer rings in the mid-infrared 12,927 days after the…

Numerical simulations of the interaction between supernova ejecta and a stellar wind are presented. We follow the temporal evolution of the shock fronts that are formed through such an interaction and determine the velocities, temperatures…

天体物理学 · 物理学 2009-11-07 Pablo F. Velazquez , Gloria Koenigsberger , Alejandro C. Raga

After GW170817, kilonovae have become of great interest for the astronomical, astrophysics and nuclear physics communities, due to their potential in revealing key information on the compact binary merger from which they emerge, such as the…

We show that a cooled region of shocked supernova ejecta forms in a type II supernova-QSO wind interaction, and has a density, an ionization parameter, and a column density compatible with those inferred for the high ionization component of…

天体物理学 · 物理学 2009-11-06 J. M. Pittard , J. E. Dyson , S. A. E. G. Falle , T. W. Hartquist

Supernova (SN) feedback is one of the key processes shaping the interstellar medium (ISM) of galaxies. SNe contribute to (and in some cases may dominate) driving turbulence in the ISM and accelerating galactic winds. Modern cosmological…

星系天体物理 · 物理学 2016-01-11 Davide Martizzi , Claude-Andre Faucher-Giguere , Eliot Quataert

We derive new constraints on light CP-even scalars using old gamma-ray observations in the direction of SN1987A by the Solar Maximum Mission (SMM) satellite. Light scalars can be abundantly produced in the supernova core via the nucleon…

高能物理 - 唯象学 · 物理学 2026-03-10 Yue Yu , Writasree Maitra , P. S. Bhupal Dev , Jean-Franccois Fortin , Steven P. Harris , Kuver Sinha , Yongchao Zhang

We present an extensive ($\sim$ 1200 d) photometric and spectroscopic monitoring of the Type IIn supernova (SN) 2012ab. After a rapid initial rise leading to a bright maximum (M$_{R}$ = $-$19.39 mag), the light curves show a plateau lasting…

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