Please use this identifier to cite or link to this item: http://dspace.mediu.edu.my:8181/xmlui/handle/10261/2639
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dc.creatorSenent Díez, María Luisa-
dc.creatorMassó, Helena-
dc.creatorGoicoechea, Javier R.-
dc.creatorCernicharo, José-
dc.date2007-12-28T12:55:19Z-
dc.date2007-12-28T12:55:19Z-
dc.date2004-06-18-
dc.date.accessioned2017-01-31T00:59:35Z-
dc.date.available2017-01-31T00:59:35Z-
dc.identifierThe Astrophysical Journal 609 : 225–230 (2004)-
dc.identifierarXiv:astro-ph/0403348v1-
dc.identifier1538-4357-
dc.identifierhttp://hdl.handle.net/10261/2639-
dc.identifier10.1086/421061-
dc.identifier.urihttp://dspace.mediu.edu.my:8181/xmlui/handle/10261/2639-
dc.descriptionWe report on the detection of a molecular band centered at ~98 um (~102 cm^-1), observed with the Infrared Space Observatory in the young Planetary Nebula NGC7027. The band structure and intensity can not be reproduced by atomic fine structure lines, recombination lines or by the rotational emission of abundant molecules. We discuss the possible contribution of the low-energy bending modes of pure carbon chains to the unidentified far-IR bands (UfIBs) observed in C-rich evolved objects. In particular, we speculate that the band emission could arise from the nu_9 and nu_7 bending modes of C_6 and C_5, for which wavenumbers of 90+/-50 and 107+/-5 cm^-1 have been estimated from photoelectron spectroscopy.-
dc.descriptionPeer reviewed-
dc.format382378 bytes-
dc.formatapplication/pdf-
dc.languageeng-
dc.publisherAmerican Astronomical Society-
dc.relationPreprint-
dc.rightsopenAccess-
dc.subjectInfrared: stars-
dc.subjectCircumstellar matter-
dc.subjectISM: molecules-
dc.subjectLine: identification-
dc.subjectStars: individual (NGC 7027)-
dc.titleA new Unidentified Far Infrared Band in NGC 7027-
dc.typePre-print-
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