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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.

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

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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