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SNeX SIGNED

The origins of thermonuclear supernova explosions

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EC-Contrib. €

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Partnership

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 SNeX project word cloud

Explore the words cloud of the SNeX project. It provides you a very rough idea of what is the project "SNeX" about.

spectra    transform    majority    progenitors    origins    ages    types    synthesis    rarely    directions    fail    suggest    type    preliminary    critical    diverse    grown    accretion    universe    wd    luminosity    play    thermonucelar    wds    gives    explosions    stellar    never    simulations    thermonuclear    suggested    source    diversity    white    reproduce    3d    physical    indicators    massive    explored    light    puzzling    observables    carbon    iron    reproducibiliy    originate    star    rates    potentially    fundamental    solutions    question    material    origin    cosmological    hydro    puzzle    peculiar    models    oxygen    hybrid    science    astronomy    producing    peak    sub    model    mergers    questions    input    distrbution    sne    serve    co    holy    evolution    century    grail    thought    channel    transfer    modern    inferred    distance    2d    supernovae    ia    curve    companions    hydrodynamicalradiative    little    accreting    neutron    scenarios    population    dwarfs    evolutionary    he    distrbutions    exploding    predicting    standard    compostion   

Project "SNeX" data sheet

The following table provides information about the project.

Coordinator
TECHNION - ISRAEL INSTITUTE OF TECHNOLOGY 

Organization address
address: SENATE BUILDING TECHNION CITY
city: HAIFA
postcode: 32000
website: www.technion.ac.il

contact info
title: n.a.
name: n.a.
surname: n.a.
function: n.a.
email: n.a.
telephone: n.a.
fax: n.a.

 Coordinator Country Israel [IL]
 Total cost 2˙000˙000 €
 EC max contribution 2˙000˙000 € (100%)
 Programme 1. H2020-EU.1.1. (EXCELLENT SCIENCE - European Research Council (ERC))
 Code Call ERC-2019-COG
 Funding Scheme ERC-COG
 Starting year 2020
 Duration (year-month-day) from 2020-08-01   to  2025-07-31

 Partnership

Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 
1    TECHNION - ISRAEL INSTITUTE OF TECHNOLOGY IL (HAIFA) coordinator 2˙000˙000.00

Map

 Project objective

Type-Ia supernovae (SNe) are thought to originate from thermonuclear explosions of carbon-oxygen (CO) white-dwarfs (WDs). They play a key role in the evolution of the universe (producing most of the Iron-peak elements); and serve as critical cosmological distance-indicators. The main proposed SNe progenitors are CO-WDs accreting material from stellar companions; and mergers of two CO-WDs. However, all suggested models fail to reproduce the diverse physical characteristics of Ia-SNe; their inferred rates/ages/luminosity distrbution; and their puzzling wide sub-types diversity. Finding the origins and the evolutionary pathways of thermonuclear SNe remains one of the most important “holy grail” open questions in modern astronomy. Here we propose novel directions and potential solutions to this question, and suggest new scenarios for the origin of all sub-types of thermonucelar SNe. Supported by preliminary results, we propose that (1) the little-explored mergers of CO-WDs with hybrid He-CO WDs play a key-role in producing most types of SNe, and may provide a viable model for the origin of the majority of thermonuclear SNe, their diversity and their distrbutions; (2) neutron star-WD mergers may explain the origin of peculiar rapidly evolving SNe; (3) the channel of exploding accretion-grown massive CO-WDs never/rarely gives rise to standard Ia-SNe. We propose an end-to-end open-source-based modelling of SNe (providing easy access and reproducibiliy of our results) including stellar evolution of their progenitors; 3D hydro simulations of WD mergers; 2D (3D) thermonuclear-hydrodynamicalradiative-transfer models (predicting detailed light-curve/spectra/compostion observables); and population synthesis studies. Our proposed science can potentially transform the field; solve the century-long puzzle of Ia-SNe and explain their origins; and provide critical input for understanding the evolution of the universe and the measurements of its fundamental cosmological parameters.

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