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dc.contributor.authorFonfría, José Pablo-
dc.contributor.authorFernández-López, M.-
dc.contributor.authorPardo Carrión, Juan Ramón-
dc.contributor.authorAgúndez, Marcelino-
dc.contributor.authorSánchez Contreras, C.-
dc.contributor.authorVelilla Prieto, L.-
dc.contributor.authorCernicharo, José-
dc.contributor.authorSantander-García, M.-
dc.contributor.authorQuintana-Lacaci, G.-
dc.contributor.authorCastro-Carrizo, A.-
dc.contributor.authorCuriel, S.-
dc.identifierdoi: 10.1017/S1743921318006178-
dc.identifierissn: 1743-9221-
dc.identifier.citationProceedings of the International Astronomical Union: 398-399 (2019)-
dc.description2 pags., 1 tab. -- Why Galaxies Care About AGB Stars: A Continuing Challenge through Cosmic Time Proceedings IAU Symposium No. 343, 2019 F. Kerschbaum, M. Groenewegen & H. Olofsson, eds.-
dc.description.abstractAGB stars are important contributors of processed matter to the ISM. However, the physical and chemical mechanisms involved in its ejection are still poorly known. This process is expected to have remarkable effects in the innermost envelope, where the dust grains are formed, the gas is accelerated, the chemistry is active, and the radiative excitation becomes important. A good tracer of this region in C-rich stars is SiS, an abundant refractory molecule that can display maser lines, very sensitive to changes in the physical conditions. We present high angular resolution interferometer observations (HPBW â‰30.″.25) of the v = 0 J = 14-13 and 15-14 SiS maser lines towards the archetypal AGB star IRC+10216, carried out with CARMA and ALMA to explore the inner 1> region around the central star. We also present an ambitious monitoring of these lines along one single pulsation period carried out with the IRAM 30 m telescope.-
dc.description.sponsorshipThe research leading to these results has received funding from the European Research Council under the European Union’s Seventh Framework Programme (FP7/2007-2013)/ ERC grant agreement n◦ 610256: NANOCOSMOS-
dc.publisherInternational Astronomical Union-
dc.subjectLine: profiles-
dc.subjectRadiative transfer-
dc.subjectTechniques: high angular resolution-
dc.subjectTechniques: interferometric-
dc.subject(Stars:) circumstellar matter-
dc.subjectStars: individual (IRC+10216)-
dc.titleThe Maser-emitting Structure and Time Variability of the SiS Lines J =14-13 and 15-14 in IRC+10216-
dc.contributor.funderEuropean Commission-
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