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New observations of ULX supershells, and their implications

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


D.M. Russell

Y.-J. Yang

J.C. Gladstone

K. Wiersema


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.


Russell, D., Yang, Y., Gladstone, J., Wiersema, K., & Roberts, T. (2011). New observations of ULX supershells, and their implications. Astronomical Notes, 332(4), 371-374.

Journal Article Type Article
Publication Date Apr 1, 2011
Deposit Date Jan 30, 2012
Publicly Available Date Jan 24, 2014
Journal Astronomische Nachrichten
Print ISSN 0004-6337
Electronic ISSN 1521-3994
Publisher Wiley
Peer Reviewed Peer Reviewed
Volume 332
Issue 4
Pages 371-374
Keywords HII regions, ISM bubbles, Jets and outflows, Shock waves, X-rays, Binaries.


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