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dc.contributor.authorViaene, S.
dc.contributor.authorSarzi, M.
dc.contributor.authorBaes, M.
dc.contributor.authorFritz, J.
dc.contributor.authorPuerari, I.
dc.date.accessioned2018-09-12T15:20:38Z
dc.date.available2018-09-12T15:20:38Z
dc.date.issued2017-12-01
dc.identifier.citationViaene , S , Sarzi , M , Baes , M , Fritz , J & Puerari , I 2017 , ' MUSE stares into the shadows: the high-resolution dust attenuation curve of NGC 5626 ' , Monthly Notices of the Royal Astronomical Society , vol. 472 , no. 2 , pp. 1286-1299 . https://doi.org/10.1093/mnras/stx1781
dc.identifier.issn0035-8711
dc.identifier.otherPURE: 13356762
dc.identifier.otherPURE UUID: a6598c55-f0a7-4af3-bc5a-363761a73198
dc.identifier.otherBibtex: urn:42df5812960f1a53890f275cc6378e92
dc.identifier.otherScopus: 85042187004
dc.identifier.urihttps://arxiv.org/abs/1707.06237
dc.descriptionThis article has been accepted for publication in Monthly Notices of the Royal Astronomical Society. © 2017 The Author(s). Published by Oxford University Press on behalf of the Royal Astronomical Society. All rights reserved.
dc.description.abstractThe newest generation of integral field unit spectrographs brings three-dimensional mapping of nearby galaxies one step closer. While the focus up to this point was mostly on stars and ionized gas, it is also possible to look at dust in a new, more complete way. Using MUSE science verification observations of NGC 5626, we map the interstellar matter in this dusty lenticular. We use the resolving power of MUSE to measure the optical attenuation with a spectral resolution of 6.25 Å, at physical scales of 0.1-1 kpc. The integrated attenuation curve of NGC 5626 shows a smooth, slightly steeper than Milky Way and SMC attenuation curves. Several sharp features are superimposed: we measure lower attenuation at spectral emission lines and higher attenuation for the sodium line doublet. No correlation was observed between sodium line strength and reddening by dust on spatially resolved scales. Additionally, the continuum attenuation was found to be independent from the Balmer decrement (tracing ionized gas attenuation). We model and interpret the variations in the attenuation curves of each spatial resolution element of NGC 5626. We find that the amount and distribution of dust along the line of sight is highly degenerate with any variation in the intrinsic extinction law. Our analysis shows that the interstellar matter in NGC 5626 resides in a regular and well-settled disc. Our results preach caution in the application of simple recipes to de-redden global galaxy spectra and underlines the need for more realistic dust geometries when constructing such correction formulas.en
dc.format.extent14
dc.language.isoeng
dc.relation.ispartofMonthly Notices of the Royal Astronomical Society
dc.rightsOpen
dc.subjectdust, extinction, galaxies: fundamental parameters, galaxies: individual: NGC 5626, galaxies: ISM
dc.titleMUSE stares into the shadows: the high-resolution dust attenuation curve of NGC 5626en
dc.contributor.institutionCentre for Astrophysics Research
dc.contributor.institutionSchool of Physics, Astronomy and Mathematics
dc.description.statusPeer reviewed
dc.identifier.urlhttps://arxiv.org/abs/1707.06237
dc.description.versiontypeFinal Accepted Version
dcterms.dateAccepted2017-12-01
rioxxterms.versionAM
rioxxterms.versionofrecordhttps://doi.org/10.1093/mnras/stx1781
rioxxterms.licenseref.uriOther
rioxxterms.typeJournal Article/Review
herts.preservation.rarelyaccessedtrue
herts.rights.accesstypeOpen


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