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Multiple Shells Around G79.29+0.46 Revealed from Near-Ir to Millimeter Data

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dc.contributor.author Jiménez-Esteban, F. M. spa
dc.contributor.author Rizzo Caminos, José Ricardo spa
dc.contributor.author Palau, Aina spa
dc.date.accessioned 2013-11-27T17:26:46Z
dc.date.available 2013-11-27T17:26:46Z
dc.date.issued 2010 spa
dc.identifier.citation Jiménez-Esteban, F. M., Rizzo-Caminos, J. R., & Palau, A. (2010). Multiple shells around G79.29+0.46 revealed from near-ir to millimeter data. Astrophysical Journal, 713(1), 429-439. spa
dc.identifier.issn 0004637X spa
dc.identifier.uri http://hdl.handle.net/11268/1022
dc.description.abstract Aiming to perform a study of the warm dust and gas in the luminous blue variable star G79.29+0.46 and its associated nebula, we present infrared Spitzer imaging and spectroscopy, and new CO J = 2 -> 1 and 4 -> 3 maps obtained with the IRAM 30 m radio telescope and the Submillimeter Telescope, respectively. We have analyzed the nebula detecting multiple shells of dust and gas connected to the star. Using Infrared Spectrograph-Spitzer spectra, we have compared the properties of the central object, the nebula, and their surroundings. These spectra show a rich variety of solid-state features (amorphous silicates, polycyclic aromatic hydrocarbons, and CO(2) ices) and narrow emission lines, superimposed on a thermal continuum. We have also analyzed the physical conditions of the nebula, which point to the existence of a photo-dissociation region. spa
dc.language.iso eng spa
dc.subject.other Circumstellar Matter spa
dc.subject.other Dust, Extinction spa
dc.subject.other Ism: Individual Objects (G79.29+0.46) spa
dc.subject.other ISM: Lines and Bands spa
dc.subject.other Stars: Evolution spa
dc.subject.other Stars: Mass-Loss spa
dc.subject.other Luminous Blue Variables spa
dc.subject.other Spitzer-Space-Telescope spa
dc.subject.other Ring Nebula spa
dc.subject.other G79.29+0.46 spa
dc.subject.other Photodissociation Regions spa
dc.subject.other Supernova Remnant spa
dc.subject.other Hii-Regions spa
dc.subject.other Infrared-Spectroscopy spa
dc.subject.other Interstellar Dust spa
dc.subject.other Ion Irradiation spa
dc.subject.other Star-Formation spa
dc.subject.other Astronomy & Astrophysics spa
dc.title Multiple Shells Around G79.29+0.46 Revealed from Near-Ir to Millimeter Data spa
dc.type article spa
dc.description.impact 6.063 JCR (2010) Q1, 6/55 Astronomy & astrophysics spa
dc.identifier.doi 10.1088/0004-637X/713/1/429 spa
dc.rights.accessRights closedAccess en
dc.subject.unesco Astrofísica spa
dc.subject.unesco Biología espacial spa
dc.description.filiation UEM spa
dc.peerreviewed Si spa


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