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Cold H i ejected into the Magellanic Stream

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dc.contributor.authorDempsey, James
dc.contributor.authorMcClure-Griffiths, Naomi
dc.contributor.authorJameson, Katherine
dc.contributor.authorBuckland-Willis, Frances
dc.date.accessioned2023-02-28T22:35:55Z
dc.date.available2023-02-28T22:35:55Z
dc.date.issued2020
dc.date.updated2021-12-26T07:17:58Z
dc.description.abstractWe report the direct detection of cold H I gas in a cloud ejected from the Small Magellanic Cloud (SMC) towards the Magellanic Stream. The cloud is part of a fragmented shell of H I gas on the outskirts of the SMC. This is the second direct detection of cold H I associated with the Magellanic Stream using absorption. The cold gas was detected using 21-cm H I absorption-line observations with the Australia Telescope Compact Array (ATCA) towards the extra-galactic source PMN J0029−7228. We find a spin (excitation) temperature for the gas of 68 ± 20 K. We suggest that breaking super shells from the Magellanic Clouds may be a source of cold gas to supply the rest of the Magellanic Stream.en_AU
dc.format.mimetypeapplication/pdfen_AU
dc.identifier.issn0035-8711en_AU
dc.identifier.urihttp://hdl.handle.net/1885/286540
dc.language.isoen_AUen_AU
dc.provenancehttps://v2.sherpa.ac.uk/id/publication/24618..."The Published Version can be archived in an Institutional Repository" from SHERPA/RoMEO site (as at 1/03/2023). This article has been accepted for publication in [Monthly Notices of the Royal Astronomical Society] ©: 2020 The Authors Published by Oxford University Press on behalf of the Royal Astronomical Society. All rights reserved.en_AU
dc.publisherOxford University Pressen_AU
dc.rights© 2020 The Author(s) Published by Oxford University Press on behalf of the Royal Astronomical Societyen_AU
dc.sourceMonthly Notices of the Royal Astronomical Societyen_AU
dc.subjectISM: cloudsen_AU
dc.subjectgalaxies: ISMen_AU
dc.subjectMagellanic Cloudsen_AU
dc.subjectradio lines: ISMen_AU
dc.titleCold H i ejected into the Magellanic Streamen_AU
dc.typeJournal articleen_AU
dcterms.accessRightsOpen Accessen_AU
local.bibliographicCitation.issue1en_AU
local.bibliographicCitation.lastpage920en_AU
local.bibliographicCitation.startpage913en_AU
local.contributor.affiliationDempsey, James, College of Science, ANUen_AU
local.contributor.affiliationMcClure-Griffiths, Naomi, College of Science, ANUen_AU
local.contributor.affiliationJameson, Katherine, College of Science, ANUen_AU
local.contributor.affiliationBuckland-Willis, Frances, College of Science, ANUen_AU
local.contributor.authoruidDempsey, James, u3496902en_AU
local.contributor.authoruidMcClure-Griffiths, Naomi, u1000518en_AU
local.contributor.authoruidJameson, Katherine, u1033291en_AU
local.contributor.authoruidBuckland-Willis, Frances, u5783737en_AU
local.description.notesImported from ARIESen_AU
local.identifier.absfor510103 - Cosmology and extragalactic astronomyen_AU
local.identifier.absfor510199 - Astronomical sciences not elsewhere classifieden_AU
local.identifier.absseo280120 - Expanding knowledge in the physical sciencesen_AU
local.identifier.ariespublicationa383154xPUB15081en_AU
local.identifier.citationvolume496en_AU
local.identifier.doi10.1093/mnras/staa1602en_AU
local.identifier.scopusID2-s2.0-85088564820
local.publisher.urlhttps://academic.oup.com/mnrasen_AU
local.type.statusPublished Versionen_AU

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