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dc.contributor.author
Paron, Sergio Ariel
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dc.contributor.author
Ortega, Martin Eduardo
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dc.contributor.author
Cunnigham, M.
dc.contributor.author
Jones, P.
dc.contributor.author
Rubio, M.
dc.contributor.author
Fariña, C.
dc.contributor.author
Komugi, S.
dc.date.available
2017-06-01T21:07:21Z
dc.date.issued
2014-11
dc.identifier.citation
Paron, Sergio Ariel; Ortega, Martin Eduardo; Cunnigham, M.; Jones, P.; Rubio, M.; et al.; ASTE observations in the 345 GHz window towards the HII region N113 of the Large Magellanic Cloud; Edp Sciences; Astronomy And Astrophysics; 572; A56; 11-2014; 1-7
dc.identifier.issn
0004-6361
dc.identifier.uri
http://hdl.handle.net/11336/17334
dc.description.abstract
Aims. The HII region N113 is located in the central part of the Large Magellanic Cloud (LMC) with an associated molecular cloud that is very rich in molecular species. Most of the previously observed molecular lines cover the frequency range 85–270 GHz. Thus, a survey and study of lines at the 345 GHz window is required for a more complete understanding of the chemistry and excitation conditions of this region.
Methods. We mapped a region of 2.́5 × 2.́5 centred at N113 using the Atacama Submillimeter Telescope Experiment in the 13CO J = 3−2 line with an angular and spectral resolution of 22′′ and 0.11 km s-1. In addition, we observed 16 molecular lines as single pointings towards its centre.
Results. From the 13CO J = 3−2 map we estimate the local thermodynamic equilibrium (LTE) and virial masses in about 1 × 104 and 4.5 × 104M⊙ for the molecular cloud associated with N113. From the dust continuum emission at 500 μm we additionally obtain a mass of gas of 7 × 103M⊙. Towards the cloud centre we detected emission from 12CO, 13CO, C18O (3–2), HCN, HNC, HCO+, C2H (4–3), and CS (7–6); these are the first reported detections of the HCN, HNC, and C2H (4–3) lines from this region. We confirm the detection of CS (7–6), which was previously tentatively detected. From analysing the HCN, HNC, and C2H lines we suggest that they might be emitted from a photodissociation region (PDR). Moreover, we suggest that the chemistry involving the C2H lines in N113 is probably similar to that in Galactic PDRs. We analysed the HCN J = 4−3, J = 3−2, and J = 1−0 lines with the code RADEX and we conclude that we observe very high density gas, between some 105 and 107 cm-3.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Edp Sciences
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dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
Galaxies: Ism
dc.subject
Magellanic Clouds ? Hii Regions
dc.subject
Ism: Individual Objects: N113
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Ism: Molecules
dc.subject.classification
Astronomía
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dc.subject.classification
Ciencias Físicas
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dc.subject.classification
CIENCIAS NATURALES Y EXACTAS
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dc.title
ASTE observations in the 345 GHz window towards the HII region N113 of the Large Magellanic Cloud
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2017-06-01T16:46:20Z
dc.journal.volume
572
dc.journal.number
A56
dc.journal.pagination
1-7
dc.journal.pais
Francia
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dc.journal.ciudad
Paris
dc.description.fil
Fil: Paron, Sergio Ariel. Consejo Nacional de Investigaciónes Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Instituto de Astronomía y Física del Espacio. - Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de Astronomía y Física del Espacio; Argentina
dc.description.fil
Fil: Ortega, Martin Eduardo. Consejo Nacional de Investigaciónes Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Instituto de Astronomía y Física del Espacio. - Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de Astronomía y Física del Espacio; Argentina
dc.description.fil
Fil: Cunnigham, M.. University Of New South Wales; Australia
dc.description.fil
Fil: Jones, P.. University Of New South Wales; Australia
dc.description.fil
Fil: Rubio, M.. Universidad de Chile; Chile
dc.description.fil
Fil: Fariña, C.. Isaac Newton Group of Telescopes; España
dc.description.fil
Fil: Komugi, S.. National Astronomical Observatory of Japan; Japón
dc.journal.title
Astronomy And Astrophysics
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dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1051/0004-6361/201424534
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/arxiv/https://arxiv.org/abs/1409.2747
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://www.aanda.org/articles/aa/abs/2014/12/aa24534-14/aa24534-14.html
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