Relativistic particle content in the most massive colliding-wind binary in the Galaxy

The wind-collision region of the system HD 93129A was recently resolved. This system is the most massive known binary in our Galaxy. We aim to gain insight into the physics taking place in such a system, particularly in the acceleration process(es). We explored the broadband non-thermal emission for...

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Detalles Bibliográficos
Autores principales:	Palacio, Santiago del, Romero, Gustavo Esteban, Bosch-Ramon, Valentí, Benaglia, Paula
Formato:	Objeto de conferencia
Lenguaje:	Inglés
Publicado:	2015
Materias:	Ciencias Astronómicas system HD 93129A acceleration process
Acceso en línea:	http://sedici.unlp.edu.ar/handle/10915/168087
Aporte de:	SEDICI (UNLP) de Universidad Nacional de La Plata

id	I19-R120-10915-168087
record_format	dspace
spelling	I19-R120-10915-1680872024-07-24T20:01:47Z http://sedici.unlp.edu.ar/handle/10915/168087 Relativistic particle content in the most massive colliding-wind binary in the Galaxy Palacio, Santiago del Romero, Gustavo Esteban Bosch-Ramon, Valentí Benaglia, Paula 2015-10 2016 2024-07-24T17:25:49Z en Ciencias Astronómicas system HD 93129A acceleration process The wind-collision region of the system HD 93129A was recently resolved. This system is the most massive known binary in our Galaxy. We aim to gain insight into the physics taking place in such a system, particularly in the acceleration process(es). We explored the broadband non-thermal emission for different injection spectra of relativistic particles accelerated in the wind-collision region. We developed a model that computes the evolution of the particle energy distribution taking into account different energy losses while the particles stream along the fluid lines in the shocked region. Such model was able to reproduce the available radio data. Also, for different scenarios we predicted the evolution of the cosmic-rays energy distribution and the radiative output in future epochs, when the stars come closer. With further observational data it will be possible to determine the injection spectrum and acceleration efficiency of relativistic particles in HD 93129A. Facultad de Ciencias Astronómicas y Geofísicas Objeto de conferencia Objeto de conferencia http://creativecommons.org/licenses/by-nc-sa/4.0/ Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0) application/pdf 137-140
institution	Universidad Nacional de La Plata
institution_str	I-19
repository_str	R-120
collection	SEDICI (UNLP)
language	Inglés
topic	Ciencias Astronómicas system HD 93129A acceleration process
spellingShingle	Ciencias Astronómicas system HD 93129A acceleration process Palacio, Santiago del Romero, Gustavo Esteban Bosch-Ramon, Valentí Benaglia, Paula Relativistic particle content in the most massive colliding-wind binary in the Galaxy
topic_facet	Ciencias Astronómicas system HD 93129A acceleration process
description	The wind-collision region of the system HD 93129A was recently resolved. This system is the most massive known binary in our Galaxy. We aim to gain insight into the physics taking place in such a system, particularly in the acceleration process(es). We explored the broadband non-thermal emission for different injection spectra of relativistic particles accelerated in the wind-collision region. We developed a model that computes the evolution of the particle energy distribution taking into account different energy losses while the particles stream along the fluid lines in the shocked region. Such model was able to reproduce the available radio data. Also, for different scenarios we predicted the evolution of the cosmic-rays energy distribution and the radiative output in future epochs, when the stars come closer. With further observational data it will be possible to determine the injection spectrum and acceleration efficiency of relativistic particles in HD 93129A.
format	Objeto de conferencia Objeto de conferencia
author	Palacio, Santiago del Romero, Gustavo Esteban Bosch-Ramon, Valentí Benaglia, Paula
author_facet	Palacio, Santiago del Romero, Gustavo Esteban Bosch-Ramon, Valentí Benaglia, Paula
author_sort	Palacio, Santiago del
title	Relativistic particle content in the most massive colliding-wind binary in the Galaxy
title_short	Relativistic particle content in the most massive colliding-wind binary in the Galaxy
title_full	Relativistic particle content in the most massive colliding-wind binary in the Galaxy
title_fullStr	Relativistic particle content in the most massive colliding-wind binary in the Galaxy
title_full_unstemmed	Relativistic particle content in the most massive colliding-wind binary in the Galaxy
title_sort	relativistic particle content in the most massive colliding-wind binary in the galaxy
publishDate	2015
url	http://sedici.unlp.edu.ar/handle/10915/168087
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Relativistic particle content in the most massive colliding-wind binary in the Galaxy

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