Search results for "Binaries: symbiotic"

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Origin of asymmetries in X-ray emission lines from the blast wave of the 2014 outburst of nova V745 Sco

2016

The symbiotic nova V745 Sco was observed in outburst on 2014 February 6. Its observations by the Chandra X-ray Observatory at days 16 and 17 have revealed a spectrum characterized by asymmetric and blue-shifted emission lines. Here we investigate the origin of these asymmetries through three-dimensional hydrodynamic simulations describing the outburst during the first 20 days of evolution. The model takes into account thermal conduction and radiative cooling and assumes a blast wave propagates through an equatorial density enhancement. From the simulations, we synthesize the X-ray emission and derive the spectra as they would be observed with Chandra. We find that both the blast wave and th…

Shock waveAstrophysics::High Energy Astrophysical PhenomenaFOS: Physical sciencesAstrophysics::Cosmology and Extragalactic AstrophysicsAstrophysics01 natural sciencesSpectral line0103 physical sciencesAstrophysics::Solar and Stellar AstrophysicsEmission spectrumEjectaNovae010303 astronomy & astrophysicsSpectral line ratiosAstrophysics::Galaxy AstrophysicsBlast waveLine (formation)High Energy Astrophysical Phenomena (astro-ph.HE)Physics010308 nuclear & particles physicsBinaries: symbioticWhite dwarfAstronomyAstronomy and AstrophysicsCircumstellar matterStars: individual: (V745 Sco)Astronomy and AstrophysicX-rays: binarieShock waveSpace and Planetary ScienceAstrophysics - High Energy Astrophysical PhenomenaCataclysmic variableMonthly Notices of the Royal Astronomical Society

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