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dc.contributor.authorPrieto, S.
dc.contributor.authorMadiedo Gil, José María 
dc.contributor.authorTrigo Rodríguez, Josep María
dc.contributor.authorZamorano, J.
dc.contributor.authorIzquierdo Gómez, Jaime
dc.contributor.authorOcaña Gónzalez, Francisco
dc.contributor.authorSánchez de Miguel, A.
dc.contributor.authorCastro Tirado, Alberto J.
dc.contributor.authorOrtiz Moreno, José Luis
dc.identifier.citationPrieto, S., Madiedo Gil, J.M., Trigo Rodríguez, J.M., Zamorano, J., Izquierdo, J., Ocaña González, F., Sánchez de Miguel, A., Castro Tirado, ALberto J.: "A 2012 geminid fireball : atmospheric trajectory, orbit and spectrum". En: 44th Lunar and Planetary Science Conference (The Woolands, Texas, march 18-22, 2013)en_US
dc.description.abstractAsteroid (3200) Phaeton is the par- ent body of the Geminid meteoroid stream. These par- ticles give rise to one of the strongest annual meteor showers, with an activity period that extends from Nov. 27 to Dec. 28, peaking on Dec. 14 [1]. Ceplecha and McCrosky concluded that the bulk density of Geminid meteoroids is of about 3–4 g/cm 3 [2]. How- ever, Babadzhanov obtained a value of 2.9 g/cm 3 [3]. It is possible that the high density of Geminid meteor- oids in comparison with other meteoroids is due to the small perihelion distance of the Geminid orbit (q=0.141). This, in fact, would cause a depletion in the most volatile elements. One common technique to ana- lyze the composition of Geminid meteoroids is meteor spectroscopy. Thus, the SPanish Meteor Network em- ploys an array of CCD video spectrographs to deter- mine the chemical nature of meteoroids ablating in the atmosphere. In this work we present the analysis of a bright Geminid bolide (absolute magnitude -10) ob- served over the south and center of Spain in 2012. Its spectrum was recorded from three of our meteor ob- serving stations.
dc.rightsAtribución-NoComercial-SinDerivadas 3.0 España*
dc.titleA 2012 geminid fireball : atmospheric trajectory, orbit and spectrumen_US

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