Orbits and emission spectra from the 2014 Camelopardalids

We have analysed the meteor activity associated with meteoroids of fresh dust trails of Comet 209P/LINEAR, which produced an outburst of the Camelopardalid meteor shower (IAU code #451, CAM) in 2014 May.With this aim, we have employed an array of high-sensitivity CCD video devices and spectrographs...

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Authors: Madiedo Gil, José María, Trigo Rodríguez, Josep María, Zamorano, J., Izquierdo Gómez, Jaime, Sánchez de Miguel, A., Ocaña Gónzalez, Francisco, Ortiz Moreno, José Luis, Espartero, F., Morillas, Lorenzo G., Cardeñosa, David, Moreno Ibáñez, Manuel, Urzáiz, Marta
Format: article
Publication Date:2014
Country:España
Institution:Universidad de Huelva (UHU)
Repository:Arias Montano. Repositorio Institucional de la Universidad de Huelva
Language:English
OAI Identifier:oai:ariasmontano.uhu.es:10272/9081
Online Access:http://hdl.handle.net/10272/9081
Access Level:Open access
Keyword:Meteorites
Meteors
Meteoroids
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spelling Orbits and emission spectra from the 2014 CamelopardalidsMadiedo Gil, José MaríaTrigo Rodríguez, Josep MaríaZamorano, J.Izquierdo Gómez, JaimeSánchez de Miguel, A.Ocaña Gónzalez, FranciscoOrtiz Moreno, José LuisEspartero, F.Morillas, Lorenzo G.Cardeñosa, DavidMoreno Ibáñez, ManuelUrzáiz, MartaMeteoritesMeteorsMeteoroidsWe have analysed the meteor activity associated with meteoroids of fresh dust trails of Comet 209P/LINEAR, which produced an outburst of the Camelopardalid meteor shower (IAU code #451, CAM) in 2014 May.With this aim, we have employed an array of high-sensitivity CCD video devices and spectrographs deployed at 10 meteor observing stations in Spain in the framework of the Spanish Meteor Network. Additional meteoroid flux data were obtained by means of two forward-scatter radio systems. The observed peak zenithal hourly rate was much lower than expected, of around 20 meteors h−1. Despite of the small meteor flux in the optical range, we have obtained precise atmospheric trajectory, radiant and orbital information for 11 meteor and fireball events associated with this stream. The ablation behaviour and low tensile strength calculated for these particles reveal that Camelopardalid meteoroids are very fragile, mostly pristine aggregates with strength similar to that of the Orionids and the Leonids. The mineral grains seem to be glued together by a volatile phase. We also present and discuss two unique emission spectra produced by two Camelopardalid bright meteors. These suggest a non-chondritic nature for these particles, which exhibit Fe depletion in their composition.Oxford University Press20142014-01-0120142014-01-01journal articlehttp://purl.org/coar/resource_type/c_6501info:eu-repo/semantics/articleapplication/pdfhttp://hdl.handle.net/10272/9081reponame:Arias Montano. Repositorio Institucional de la Universidad de Huelvainstname:Universidad de Huelva (UHU)InglésengSpanish Ministry of Science and Innovation [AYA2011-26522, AYA2012-31277, AYA2012-30717] Not available Not availableopen accesshttp://purl.org/coar/access_right/c_abf2Atribución-NoComercial-SinDerivadas 3.0 Españahttp://creativecommons.org/licenses/by-nc-nd/3.0/es/info:eu-repo/semantics/openAccessoai:ariasmontano.uhu.es:10272/90812026-06-02T14:58:11Z
dc.title.none.fl_str_mv Orbits and emission spectra from the 2014 Camelopardalids
title Orbits and emission spectra from the 2014 Camelopardalids
spellingShingle Orbits and emission spectra from the 2014 Camelopardalids
Madiedo Gil, José María
Meteorites
Meteors
Meteoroids
title_short Orbits and emission spectra from the 2014 Camelopardalids
title_full Orbits and emission spectra from the 2014 Camelopardalids
title_fullStr Orbits and emission spectra from the 2014 Camelopardalids
title_full_unstemmed Orbits and emission spectra from the 2014 Camelopardalids
title_sort Orbits and emission spectra from the 2014 Camelopardalids
dc.creator.none.fl_str_mv Madiedo Gil, José María
Trigo Rodríguez, Josep María
Zamorano, J.
Izquierdo Gómez, Jaime
Sánchez de Miguel, A.
Ocaña Gónzalez, Francisco
Ortiz Moreno, José Luis
Espartero, F.
Morillas, Lorenzo G.
Cardeñosa, David
Moreno Ibáñez, Manuel
Urzáiz, Marta
author Madiedo Gil, José María
author_facet Madiedo Gil, José María
Trigo Rodríguez, Josep María
Zamorano, J.
Izquierdo Gómez, Jaime
Sánchez de Miguel, A.
Ocaña Gónzalez, Francisco
Ortiz Moreno, José Luis
Espartero, F.
Morillas, Lorenzo G.
Cardeñosa, David
Moreno Ibáñez, Manuel
Urzáiz, Marta
author_role author
author2 Trigo Rodríguez, Josep María
Zamorano, J.
Izquierdo Gómez, Jaime
Sánchez de Miguel, A.
Ocaña Gónzalez, Francisco
Ortiz Moreno, José Luis
Espartero, F.
Morillas, Lorenzo G.
Cardeñosa, David
Moreno Ibáñez, Manuel
Urzáiz, Marta
author2_role author
author
author
author
author
author
author
author
author
author
author
dc.contributor.none.fl_str_mv
dc.subject.none.fl_str_mv Meteorites
Meteors
Meteoroids
topic Meteorites
Meteors
Meteoroids
description We have analysed the meteor activity associated with meteoroids of fresh dust trails of Comet 209P/LINEAR, which produced an outburst of the Camelopardalid meteor shower (IAU code #451, CAM) in 2014 May.With this aim, we have employed an array of high-sensitivity CCD video devices and spectrographs deployed at 10 meteor observing stations in Spain in the framework of the Spanish Meteor Network. Additional meteoroid flux data were obtained by means of two forward-scatter radio systems. The observed peak zenithal hourly rate was much lower than expected, of around 20 meteors h−1. Despite of the small meteor flux in the optical range, we have obtained precise atmospheric trajectory, radiant and orbital information for 11 meteor and fireball events associated with this stream. The ablation behaviour and low tensile strength calculated for these particles reveal that Camelopardalid meteoroids are very fragile, mostly pristine aggregates with strength similar to that of the Orionids and the Leonids. The mineral grains seem to be glued together by a volatile phase. We also present and discuss two unique emission spectra produced by two Camelopardalid bright meteors. These suggest a non-chondritic nature for these particles, which exhibit Fe depletion in their composition.
publishDate 2014
dc.date.none.fl_str_mv 2014
2014-01-01
2014
2014-01-01
dc.type.none.fl_str_mv journal article
http://purl.org/coar/resource_type/c_6501
dc.type.openaire.fl_str_mv info:eu-repo/semantics/article
format article
dc.identifier.none.fl_str_mv http://hdl.handle.net/10272/9081
url http://hdl.handle.net/10272/9081
dc.language.none.fl_str_mv Inglés
eng
language_invalid_str_mv Inglés
language eng
dc.relation.none.fl_str_mv Spanish Ministry of Science and Innovation [AYA2011-26522, AYA2012-31277, AYA2012-30717] Not available Not available
dc.rights.none.fl_str_mv open access
http://purl.org/coar/access_right/c_abf2
Atribución-NoComercial-SinDerivadas 3.0 España
http://creativecommons.org/licenses/by-nc-nd/3.0/es/
dc.rights.openaire.fl_str_mv info:eu-repo/semantics/openAccess
rights_invalid_str_mv open access
http://purl.org/coar/access_right/c_abf2
Atribución-NoComercial-SinDerivadas 3.0 España
http://creativecommons.org/licenses/by-nc-nd/3.0/es/
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv Oxford University Press
publisher.none.fl_str_mv Oxford University Press
dc.source.none.fl_str_mv reponame:Arias Montano. Repositorio Institucional de la Universidad de Huelva
instname:Universidad de Huelva (UHU)
instname_str Universidad de Huelva (UHU)
reponame_str Arias Montano. Repositorio Institucional de la Universidad de Huelva
collection Arias Montano. Repositorio Institucional de la Universidad de Huelva
repository.name.fl_str_mv
repository.mail.fl_str_mv
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score 15,811543

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