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The 2011 October Draconids outburst-II. Meteoroid chemical abundances from fireball spectroscopy

Opened Access The 2011 October Draconids outburst-II. Meteoroid chemical abundances from fireball spectroscopy

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Autor: Madiedo Gil, José María
Trigo-Rodríguez, Josep Maria
Konovalova, Natalia A.
Williams, Iwan P.
Castro-Tirado, A. J.
Ortiz, J. L.
Cabrera Caño, Jesús María
Departamento: Universidad de Sevilla. Departamento de Física Atómica, Molecular y Nuclear
Fecha: 2013
Publicado en: Monthly Notices of the Royal Astronomical Society, 433 (1), 571-580.
Tipo de documento: Artículo
Resumen: On 2011 October 8, the Earth crossed dust trails ejected from comet 21P/Giacobini-Zinner in the late 19th and early 20th Century. This gave rise to an outburst in the activity of the October Draconid meteor shower, and an international team was organized to analyse this event. The SPanish Meteor Network (SPMN) joined this initiative and recorded the October Draconids by means of low-light level CCD cameras. In addition, spectroscopic observations were carried out. Tens of multistation meteor trails were recorded, including an extraordinarily bright October Draconid fireball (absolute magnitude-10.5) that was simultaneously imaged from three SPMN meteor observing stations located in Andalusia. Its spectrum was obtained, showing a clear evolution in the relative intensity of emission lines as the fireball penetrated deeper into the atmosphere. Here, we focus on the analysis of this remarkable spectrum, but also discuss the atmospheric trajectory, atmospheric penetration and orbital data...
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Cita: Madiedo Gil, J.M., Trigo-Rodríguez, J.M., Konovalova, N.A., Williams, I.P., Castro-Tirado, A.J., Ortiz, J.L. y Cabrera-Caño, J. (2013). The 2011 October Draconids outburst-II. Meteoroid chemical abundances from fireball spectroscopy. Monthly Notices of the Royal Astronomical Society, 433 (1), 571-580.
Tamaño: 1.470Mb
Formato: PDF

URI: https://hdl.handle.net/11441/71352

DOI: 10.1093/mnras/stt748

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