The origin of ionized filaments within the Orion-Eridanus superbubble

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DOIResolve DOI: http://doi.org/10.1093/mnras/stu620
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TypeArticle
Journal titleMonthly Notices of the Royal Astronomical Society
ISSN0035-8711
Volume441
Issue2
Article numberstu620
Pages10951104; # of pages: 10
SubjectISM: bubble; ISM: cloud; ISM: individual objects: Eridanus filments; ISM: individual objects: Orion-Eridanus superbubble; ISM: structu
AbstractThe Orion-Eridanus superbubble, formed by the nearby Orion high-mass star-forming region, contains multiple bright Ha filaments on the Eridanus side of the superbubble. We examine the implications of the Hα brightnesses and sizes of these filaments, the Eridanus filaments. We find that either the filaments must be highly elongated along the line of sight or they cannot be equilibrium structures illuminated solely by the Orion star-forming region. The Eridanus filaments may, instead, have formed when the Orion-Eridanus superbubble encountered and compressed a pre-existing, ionized gas cloud, such that the filaments are nowout of equilibrium and slowly recombining.
Publication date
LanguageEnglish
AffiliationNational Science Infrastructure; National Research Council Canada
Peer reviewedYes
NPARC number21274132
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Record identifier9c95d6a5-210c-406c-a546-414a7355c987
Record created2015-02-17
Record modified2016-05-09
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