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dc.contributor.authorTercero, B.
dc.contributor.authorMargulès, L.
dc.contributor.authorCarvajal Zaera, Miguel 
dc.contributor.authorMotiyenko, R. A.
dc.contributor.authorHuet, Thérèse R.
dc.contributor.authorAlekseev, E. A.
dc.contributor.authorKleiner, I.
dc.contributor.authorGuillemin, J. C.
dc.contributor.authorMøllendal, H.
dc.contributor.authorCernicharo, J.
dc.date.accessioned2013-04-25T10:56:53Z
dc.date.available2013-04-25T10:56:53Z
dc.date.issued2012
dc.identifier.citationTercero, B., Margulès, L., Carvajal Zaera, M., Motiyenko, R. A., Huet, T. R., Alekseev, E. A., Kleiner, I., Guillemin, J. C., Møllendal, H.: "Microwave and submillimeter spectroscopy and first ISM detection of 18O-methyl formate". Astronomy and Astrophysics. Vol. 538, A119 (2012). ISSN 0004-6361en_US
dc.identifier.issn0004-6361
dc.identifier.urihttp://hdl.handle.net/10272/6562
dc.description.abstractContext. Astronomical survey of interstellar molecular clouds needs a previous analysis of the spectra in the microwave and sub-mm energy range to be able to identify them. We obtained very accurate spectroscopic constants in a comprehensive laboratory analysis of rotational spectra. These constants can be used to predict transition frequencies that were not measured in the laboratory very precisely. Aims. We present an experimental study and a theoretical analysis of two 18O-methyl formate isotopologues, which were subsequently detected for the first time in Orion KL. Methods. The experimental spectra of both methyl formate isotopologues recorded in the microwave and sub-mm range from 1 to 660 GHz. Both spectra were analysed by using the rho-axis method (RAM) which takes into account the CH3 internal rotation. Results. We obtained spectroscopic constants of both 18O- methyl formate with high accuracy. Thousands of transitions were assigned and others predicted, which allowed us to detect both species in the IRAM 30 m line survey of Orion KL.en_US
dc.description.sponsorshipM.C. acknowledges the financial support provided by the Andalusian Government (Spain) project number P07-FQM-03014. He also thanks Universite Paris 12 for inviting him. J.C. and B.T. thank Spanish MICINN for support under grants AYA2006-14786, AYA2009-07304 and the CONSOLIDER program "ASTROMOL" CSD2009-00038. This work was supported by the Centre National d'Etudes Spatiales (CNES) and the Action sur Projets de l'INSU, "Physique et Chimie du Milieu Interstellaire". This work was also done under the ANR-08-BLAN-0054.
dc.language.isoengen_US
dc.publisherEDP Sciencesen_US
dc.rightsAtribución-NoComercial-SinDerivadas 3.0 España
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/3.0/es/
dc.subject.otherAstrochemistryeng
dc.subject.otherISM: moleculeseng
dc.subject.otherSubmillimeter: ISMeng
dc.subject.otherLine: identificationeng
dc.subject.otherAstronomical databases: miscellaneouseng
dc.subject.otherISM: individual objects: Orion KLeng
dc.titleMicrowave and submillimeter spectroscopy and first ISM detection of 18O-methyl formateen_US
dc.typeinfo:eu-repo/semantics/articleen_US
dc.identifier.doi10.1051/0004-6361/201117072
dc.rights.accessRightsinfo:eu-repo/semantics/openAccess
dc.relation.projectIDinfo:eu-repo/grantAgreement/Andalusian Government (Spain) [P07-FQM-03014]
dc.relation.projectIDinfo:eu-repo/grantAgreement/Spanish MICINN [AYA2006-14786 AYA2009-07304 CSD2009-00038]


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