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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.

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

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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