New observations of ULX supershells, and their implications

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

Research output: Contribution to journalArticle

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 languageEnglish (US)
Pages (from-to)371-374
Number of pages4
JournalAstronomische Nachrichten
Volume332
Issue number4
DOIs
StatePublished - Apr 1 2011

Fingerprint

nebulae
isotropy
narrowband
photoionization
x rays
outflow
shock
filter
filters
gases
gas
excitation

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

Cite this

Russell, D., Yang, Y. J., Gladstone, J. C., Wiersema, K., & Roberts, T. P. (2011). New observations of ULX supershells, and their implications. Astronomische Nachrichten, 332(4), 371-374. https://doi.org/10.1002/asna.201011502

New observations of ULX supershells, and their implications. / Russell, Dave; Yang, Y. J.; Gladstone, J. C.; Wiersema, K.; Roberts, T. P.

In: Astronomische Nachrichten, Vol. 332, No. 4, 01.04.2011, p. 371-374.

Research output: Contribution to journalArticle

Russell, D, Yang, YJ, Gladstone, JC, Wiersema, K & Roberts, TP 2011, 'New observations of ULX supershells, and their implications', Astronomische Nachrichten, vol. 332, no. 4, pp. 371-374. https://doi.org/10.1002/asna.201011502
Russell, Dave ; Yang, Y. J. ; Gladstone, J. C. ; Wiersema, K. ; Roberts, T. P. / New observations of ULX supershells, and their implications. In: Astronomische Nachrichten. 2011 ; Vol. 332, No. 4. pp. 371-374.
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