New observations of ULX supershells, and their implications

D. M. Russell; Y. J. Yang; J. C. Gladstone; K. Wiersema; T. P. Roberts

doi:10.1002/asna.201011502

New observations of ULX supershells, and their implications

D. M. Russell, Y. J. Yang, J. C. Gladstone, K. Wiersema, T. P. Roberts

Physics

Research output: Contribution to journal › Article › peer-review

Abstract

New optical narrowband imaging observations of the fields of several ultra-luminous X-ray sources (ULXs) are presented. Known supershell nebulae are associated with a number of these ULXs, which we detect in emission lines filters such as [S II], He II, [O II] and [O III]. New nebulae are discovered, which are candidate ULX-powered supershells. The morphologies and emission line fluxes of these nebulae could then be used to infer the properties of the emitting gas, which gives clues to the energizing source (photoionization and/or shock-excitation, both possibly from the ULX). Studies of supershells powered by ULXs can help to constrain the nature of ULXs themselves, such as the isotropy of the X-ray emission and the strength of their outflows.

Original language	English (US)
Pages (from-to)	371-374
Number of pages	4
Journal	Astronomische Nachrichten
Volume	332
Issue number	4
DOIs	https://doi.org/10.1002/asna.201011502
State	Published - Apr 2011

Keywords

HII regions
ISM: bubbles
ISM: jets and outflows
Shock waves
X-rays: binaries

ASJC Scopus subject areas

Astronomy and Astrophysics
Space and Planetary Science

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title = "New observations of ULX supershells, and their implications",

abstract = "New optical narrowband imaging observations of the fields of several ultra-luminous X-ray sources (ULXs) are presented. Known supershell nebulae are associated with a number of these ULXs, which we detect in emission lines filters such as [S II], He II, [O II] and [O III]. New nebulae are discovered, which are candidate ULX-powered supershells. The morphologies and emission line fluxes of these nebulae could then be used to infer the properties of the emitting gas, which gives clues to the energizing source (photoionization and/or shock-excitation, both possibly from the ULX). Studies of supershells powered by ULXs can help to constrain the nature of ULXs themselves, such as the isotropy of the X-ray emission and the strength of their outflows.",

keywords = "HII regions, ISM: bubbles, ISM: jets and outflows, Shock waves, X-rays: binaries",

author = "Russell, {D. M.} and Yang, {Y. J.} and Gladstone, {J. C.} and K. Wiersema and Roberts, {T. P.}",

year = "2011",

month = apr,

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language = "English (US)",

volume = "332",

pages = "371--374",

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TY - JOUR

T1 - New observations of ULX supershells, and their implications

AU - Russell, D. M.

AU - Yang, Y. J.

AU - Gladstone, J. C.

AU - Wiersema, K.

AU - Roberts, T. P.

PY - 2011/4

Y1 - 2011/4

N2 - New optical narrowband imaging observations of the fields of several ultra-luminous X-ray sources (ULXs) are presented. Known supershell nebulae are associated with a number of these ULXs, which we detect in emission lines filters such as [S II], He II, [O II] and [O III]. New nebulae are discovered, which are candidate ULX-powered supershells. The morphologies and emission line fluxes of these nebulae could then be used to infer the properties of the emitting gas, which gives clues to the energizing source (photoionization and/or shock-excitation, both possibly from the ULX). Studies of supershells powered by ULXs can help to constrain the nature of ULXs themselves, such as the isotropy of the X-ray emission and the strength of their outflows.

AB - New optical narrowband imaging observations of the fields of several ultra-luminous X-ray sources (ULXs) are presented. Known supershell nebulae are associated with a number of these ULXs, which we detect in emission lines filters such as [S II], He II, [O II] and [O III]. New nebulae are discovered, which are candidate ULX-powered supershells. The morphologies and emission line fluxes of these nebulae could then be used to infer the properties of the emitting gas, which gives clues to the energizing source (photoionization and/or shock-excitation, both possibly from the ULX). Studies of supershells powered by ULXs can help to constrain the nature of ULXs themselves, such as the isotropy of the X-ray emission and the strength of their outflows.

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KW - ISM: bubbles

KW - ISM: jets and outflows

KW - Shock waves

KW - X-rays: binaries

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