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The light curves of type-II supernovae (SNe) are believed to be highly affected by recombination of hydrogen that takes place in their envelopes. In this work, we analytically investigate the transition from a fully ionized envelope to a…

High Energy Astrophysical Phenomena · Physics 2019-07-10 Tamar Faran , Tomer Goldfriend , Ehud Nakar , Re'em Sari

Supernovae of type IIP are marked by the long plateau seen in their optical light curves. The plateau is believed to be the result of a recombination wave that propagates through the outflowing massive hydrogen envelope. Here, we…

High Energy Astrophysical Phenomena · Physics 2014-04-28 Tomer Goldfriend , Ehud Nakar , Re'em Sari

In this work we present a uniform analysis of the temperature evolution and bolometric luminosity of a sample of 29 type-II supernovae (SNe), by fitting a black body model to their multi-band photometry. Our sample includes only SNe with…

High Energy Astrophysical Phenomena · Physics 2017-11-01 Tamar Faran , Ehud Nakar , Dovi Poznanski

We present a systematic study of Type II supernovae (SNe II) originating from progenitors with effective temperatures ($T_{\rm eff}$) and luminosities closely resembling red supergiants (RSGs) observed in pre-SN images and in the Galaxy.…

High Energy Astrophysical Phenomena · Physics 2024-09-16 Qiliang Fang , Keiichi Maeda , Haonan Ye , Takashi Moriya , Tatsuya Matsumoto

A number of Type I (hydrogenless) superluminous supernova (SLSN) events have been discovered recently. However, their nature remains debatable. One of the most promising ideas is the shock-interaction mechanism, but only simplified…

High Energy Astrophysical Phenomena · Physics 2016-09-21 Elena Sorokina , Sergei Blinnikov , Ken'ichi Nomoto , Robert Quimby , Alexey Tolstov

We introduce the first synthetic light-curve model set of Type IIP supernovae exploded within circumstellar media in which the acceleration of the red supergiant winds is taken into account. Because wind acceleration makes the wind…

High Energy Astrophysical Phenomena · Physics 2018-06-04 Takashi J. Moriya , Francisco Förster , Sung-Chul Yoon , Götz Gräfener , Sergei I. Blinnikov

There is still no consensus about progenitor masses of Type IIP supernovae. We study a normal Type IIP SN 1999em in detail and compare it to a peculiar Type IIP SN 1987A. We computed the hydrodynamic and time-dependent atmosphere models…

Astrophysics · Physics 2009-11-11 V. P. Utrobin

Type II supernovae (SNe) interacting with disklike circumstellar matter (CSM) have been suggested as an explanation of some unusual Type II SNe, e.g., the so-called "impossible" SN, iPTF14hls. There are some radiation hydrodynamics…

High Energy Astrophysical Phenomena · Physics 2020-08-19 Takashi Nagao , Keiichi Maeda , Ryoma Ouchi

The early rise of Type IIP supernovae (SN IIP) provides important information for constraining the properties of their progenitors. This can in turn be compared to pre-explosion imaging constraints and stellar models to develop a more…

High Energy Astrophysical Phenomena · Physics 2016-10-05 Viktoriya Morozova , Anthony L. Piro , Mathieu Renzo , Christian D. Ott

This paper continues our study of the behaviour of near infrared helium recombination lines in planetary nebula. We find that the 1.7007um 4^3D-3^3P HeI line is a good measure of the HeI recombination rate, since it varies smoothly with the…

Astrophysics · Physics 2009-11-07 S. L. Lumsden , P. J. Puxley , M. G. Hoare

The hydrodynamical modelling of Type II plateau supernova light curves predicts a correlation between three observable parameters (the plateau duration, the absolute magnitude and photospheric velocity at the middle of the plateau) on the…

Astrophysics · Physics 2009-11-07 D. K. Nadyozhin

Some hydrogen-rich core-collapse supernovae (type IIP SNe) exhibit evidence for a sustained energy source powering their light curves, resulting in a brighter and/or longer-lasting hydrogen-recombination plateau phase. We present a…

High Energy Astrophysical Phenomena · Physics 2024-11-19 Tatsuya Matsumoto , Brian D. Metzger , Jared A. Goldberg

We present cosmological analysis of 12 nearby ($z<0.06$) Type IIP supernovae (SNe IIP) observed with the ROTSE-IIIb telescope. To achieve precise photometry, we present a new image differencing technique that is implemented for the first…

We present numerical simulations that include 1-D Eulerian multi-group radiation-hydrodynamics, 1-D non-LTE radiative transfer, and 2-D polarised radiative transfer for super-luminous interacting supernovae (SNe). Our reference model is a…

Solar and Stellar Astrophysics · Physics 2015-06-24 Luc Dessart , Edouard Audit , D. John Hillier

The aim of this work is to present a semi-analytical light curve modeling code which can be used for estimating physical properties of core collapse supernovae (SNe) in a quick and efficient way. To verify our code we fit light curves of…

High Energy Astrophysical Phenomena · Physics 2014-11-19 Andrea P. Nagy , Andras Ordasi , Jozsef Vinko , J. Craig Wheeler

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…

A survey of Type II supernovae explosion models has been carried out to determine how their light curves and spectra vary with their mass, metallicity, and explosion energy. The presupernova models are taken from a recent survey of massive…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-14 Daniel Kasen , S. E. Woosley

Type IIP supernovae (SNe IIP) mark the explosive death of red supergiants (RSGs), evolved massive stars with an extended hydrogen envelope. They are the most common supernova type and allow for benchmarking of supernova explosion models by…

High Energy Astrophysical Phenomena · Physics 2023-08-02 Shuai Zha , Bernhard Müller , Amy Weir , Alexander Heger

Aims. With our time-dependent model atmosphere code PHOENIX, our goal is to simulate light curves and spectra of hydrodynamical models of all types of supernovae. In this work, we simulate near-infrared light curves of SNe Ia and confirm…

High Energy Astrophysical Phenomena · Physics 2012-01-10 Dennis Jack , Peter H. Hauschildt , E. Baron

Late-time BVRIJHK photometry of the peculiar Type Ic SN 2002ap, taken between 2002 June 12 and 2003 August 29 with the MAGNUM telescope, is presented. The light curve decline rate is derived in each band and the color evolution is studied…

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