Interactions of equatorial winds in super-Eddington stellar sources

Compact objects accreting at super-Eddington rates launch powerful winds and jets. The jet interacts with the wind of the disk. A powerful jet pushes the wind sidewards producing a supersonic equatorial outflow. Such a situation might be the case in the well-known super-accreting Galactic microquasa...

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Autores principales:	Abaroa, Leandro, Sotomayor Checa, Pablo Omar, Romero, Gustavo Esteban
Formato:	Articulo
Lenguaje:	Inglés
Publicado:	2021
Materias:	Ciencias Astronómicas accretion: accretion disks radiation mechanisms: non-thermal stars: black holes stars: winds, outflows X-rays: binaries
Acceso en línea:	http://sedici.unlp.edu.ar/handle/10915/176781
Aporte de:	SEDICI (UNLP) de Universidad Nacional de La Plata

id	I19-R120-10915-176781
record_format	dspace
spelling	I19-R120-10915-1767812025-02-20T20:03:36Z http://sedici.unlp.edu.ar/handle/10915/176781 Interactions of equatorial winds in super-Eddington stellar sources Abaroa, Leandro Sotomayor Checa, Pablo Omar Romero, Gustavo Esteban 2021 2025-02-20T17:33:43Z en Ciencias Astronómicas accretion: accretion disks radiation mechanisms: non-thermal stars: black holes stars: winds, outflows X-rays: binaries Compact objects accreting at super-Eddington rates launch powerful winds and jets. The jet interacts with the wind of the disk. A powerful jet pushes the wind sidewards producing a supersonic equatorial outflow. Such a situation might be the case in the well-known super-accreting Galactic microquasar SS433, where the existence of an equatorial wind has been revealed by high-resolution radio observations. In this work, we present preliminary results of quantitative estimates of the expected radiation from the interaction between a jet-induced equatorial wind and a very luminous donor star with weak or null winds (e.g. a PopIII star). The results are of interest for understanding ultraluminous X-ray sources and other super-Eddington accretors in the early universe. Los objetos compactos con tasas de acreción súper-Eddington lanzan vientos y jets poderosos. En el sistema binario el jet interactúa con el viento del disco. Un jet extremadamente poderoso deflecta el viento hacia fuera del sistema produciendo un flujo ecuatorial supersónico. Esta podría ser la situación del microcuásar galáctico SS433, en el cual se ha encontrado evidencia de un viento ecuatorial por medio de observaciones interferométricas de alta resolución. En este trabajo presentamos resultados preliminares de estimaciones cuantitativas de la radiación esperada, producto de la interacción entre el viento ecuatorial generado por el jet y una estrella donante de gran luminosidad sin vientos (p.ej. una estrella de Población III). Los resultados son de interés para la comprensión de fuentes ultraluminosas de rayos X y otros acretores súper-Eddington en el universo temprano. Asociación Argentina de Astronomía Articulo Articulo 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 262-264
institution	Universidad Nacional de La Plata
institution_str	I-19
repository_str	R-120
collection	SEDICI (UNLP)
language	Inglés
topic	Ciencias Astronómicas accretion: accretion disks radiation mechanisms: non-thermal stars: black holes stars: winds, outflows X-rays: binaries
spellingShingle	Ciencias Astronómicas accretion: accretion disks radiation mechanisms: non-thermal stars: black holes stars: winds, outflows X-rays: binaries Abaroa, Leandro Sotomayor Checa, Pablo Omar Romero, Gustavo Esteban Interactions of equatorial winds in super-Eddington stellar sources
topic_facet	Ciencias Astronómicas accretion: accretion disks radiation mechanisms: non-thermal stars: black holes stars: winds, outflows X-rays: binaries
description	Compact objects accreting at super-Eddington rates launch powerful winds and jets. The jet interacts with the wind of the disk. A powerful jet pushes the wind sidewards producing a supersonic equatorial outflow. Such a situation might be the case in the well-known super-accreting Galactic microquasar SS433, where the existence of an equatorial wind has been revealed by high-resolution radio observations. In this work, we present preliminary results of quantitative estimates of the expected radiation from the interaction between a jet-induced equatorial wind and a very luminous donor star with weak or null winds (e.g. a PopIII star). The results are of interest for understanding ultraluminous X-ray sources and other super-Eddington accretors in the early universe.
format	Articulo Articulo
author	Abaroa, Leandro Sotomayor Checa, Pablo Omar Romero, Gustavo Esteban
author_facet	Abaroa, Leandro Sotomayor Checa, Pablo Omar Romero, Gustavo Esteban
author_sort	Abaroa, Leandro
title	Interactions of equatorial winds in super-Eddington stellar sources
title_short	Interactions of equatorial winds in super-Eddington stellar sources
title_full	Interactions of equatorial winds in super-Eddington stellar sources
title_fullStr	Interactions of equatorial winds in super-Eddington stellar sources
title_full_unstemmed	Interactions of equatorial winds in super-Eddington stellar sources
title_sort	interactions of equatorial winds in super-eddington stellar sources
publishDate	2021
url	http://sedici.unlp.edu.ar/handle/10915/176781
work_keys_str_mv	AT abaroaleandro interactionsofequatorialwindsinsupereddingtonstellarsources AT sotomayorchecapabloomar interactionsofequatorialwindsinsupereddingtonstellarsources AT romerogustavoesteban interactionsofequatorialwindsinsupereddingtonstellarsources
_version_	1847925282329067520

Interactions of equatorial winds in super-Eddington stellar sources

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