Now showing items 1-16 of 16

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      A large lunar impact blast on September 11th 2013  [Article]

      Ortiz, José L.; Morales Palomino, Nicolás; Cabrera Caño, Jesús María; Madiedo Gil, José María (Oxford University Press, 2014)
      On 2013 September 11 at 20h07m28 .s 68 ± 0 .s 01 UTC, two telescopes operated in the framework of our lunar impact flashes monitoring project recorded an extraordinary flash produced by the impact on the Moon of a large ...
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      An Earth-grazing fireball from the Daytime ζ -Perseid shower observed over Spain on 2012 June 10  [Article]

      Madiedo Gil, José María; Espartero, Francisco; Castro Tirado, Alberto J.; Pastor, Sensi; Reyes, José Antonio de los (Oxford University Press, 2016-07-21)
      On 2012 June 10, an Earth-grazer meteor which lasted over 17 s with an absolute magnitude of -4.0 ± 0.5 was observed over Spain. This work focuses on the analysis of this rare event which is, to our knowledge, the faintest ...
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      Analysis of a superbolide from a Damocloid observed over Spain on July 13, 2012  [Article]

      Cabrera Caño, Jesús María; Madiedo Gil, José María; Trigo Rodríguez, Josep Maria; Zamorano, Jaime; Ortiz, José L.; Sánchez de Miguel, Alejandro; Ocaña, Francisco; Izquierdo, Jaime (Oxford University Press, 2013-12)
      A superbolide with an estimated absolute magnitude of-20±1was seen on 2012 July 13 over the centre and south of Spain. This extraordinary event, which was witnessed by numerous casual observers, was recorded in the framework ...
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      Análisis y caracterización de meteoroides mediante el estudio de sus impactos en el sistema Tierra-Luna  [PhD Thesis]

      Madiedo Gil, José María (2016-02-16)
      Este trabajo tiene como objetivo detectar, estudiar y analizar impactos de meteoroides contra la Luna, con el fin de obtener información sobre diferentes parámetros que juegan un papel fundamental en los modelos de impactos ...
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      Bright fireballs associated with the potentially hazardous asteroid 2007LQ19  [Article]

      Madiedo Gil, José María; Cabrera Caño, Jesús María; Trigo Rodríguez, Josep Maria; Ortiz, José L.; Castro Tirado, Alberto J. (Oxford University Press, 2014)
      We analyse here two very bright fireballs produced by the ablation in the atmosphere of two large meteoroids in 2009 and 2010. These slow-moving and deep-penetrating events were observed over Spain in the framework of our ...
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      Lunar impact flashes from geminids: Analysis of luminous efficiencies and the flux of large meteoroids on earth  [Article]

      Ortiz, J. L.; Madiedo Gil, José María; Morales, Nicolás; Santos-Sanz, P.; Aceituno, Francisco J. (Oxford University Press, 2015)
      We analyse lunar impact flashes recorded by our team during runs in December 2007, 2011, 2013 and 2014. In total, 12 impact flashes with magnitudes ranging between 7.1 and 9.3 in V band were identified. From these, nine ...
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      Near-earth object 2012XJ112 as a source of bright bolides of achondritic nature  [Article]

      Madiedo Gil, José María; Trigo-Rodríguez, Josep Maria; Williams, Iwan P.; Konovalova, Natalia A.; Ortiz, J. L.; Castro-Tirado, A. J.; Pastor, Sensi; De Los Reyes, José A.; Cabrera Caño, Jesús María (Blackwell Publishing Ltd, 2014)
      We analyse the likely link between the recently discovered near-Earth object 2012XJ112 and a bright fireball observed over the south of Spain on 2012 December 27. The bolide, with an absolute magnitude of -9 ± 1, was ...
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      On the activity of the γ -Ursae Minorids meteoroid stream in 2010 and 2011  [Article]

      Madiedo Gil, José María; Trigo-Rodríguez, Josep Maria; Lyytinen, Esko; Dergham, Joan; Pujols, Pep; Ortiz, José L.; Cabrera Caño, Jesús María (2013)
      Accurate orbital data obtained for the recently discovered γ -Ursae Minorids meteoroid stream during the 2010 and 2011 Spanish Meteor Network and Finnish Fireball Network observing ampaigns are presented. In particular, ...
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      Orbits and emission spectra from the 2014 Camelopardalids  [Article]

      Madiedo Gil, José María; Trigo Rodríguez, Josep Maria; Zamorano, Jaime; Izquierdo, Jaime; Ocaña, Francisco; Ortiz, José L.; Espartero, Francisco; Cardeñosa, David; Moreno Ibáñez, Manuel; Urzáiz, Marta; G. Morillas, Lorenzo; Sánchez de Miguel, Alejandro (Oxford University Press, 2014)
      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 ...
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      Spectroscopy and orbital analysis of bright bolides observed over the Iberian Peninsula from 2010 to 2012  [Article]

      Madiedo Gil, José María; Trigo-Rodríguez, Josep Maria; Ortiz, J. L.; Castro-Tirado, A. J.; Pastor, Sensi; De Los Reyes, José A.; Cabrera Caño, Jesús María (Oxford University Press, 2013)
      We present the analysis of the atmospheric trajectory and orbital data of four bright bolides observed over Spain, one of which is a potential meteorite dropping event. Their absolute magnitude ranges from -10 to -11. Two ...
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      The 2011 October Draconids outburst-I. Orbital elements, meteoroid fluxes and 21P/Giacobini-Zinner delivered mass to Earth  [Article]

      Trigo-Rodríguez, Josep Maria; Madiedo Gil, José María; Williams, Iwan P.; Dergham, Joan; Cortés, Jordi; Castro-Tirado, A. J.; Ortiz, J. L.; Zamorano G., Jaime; Ocaña, Francisco; Izquierdo, Jaime (Oxford University Press, 2013)
      On 2011 October 8, the Earth crossed the dust trails left by comet 21P/Giacobini-Zinner during its 19th and 20th century perihelion approaches with the comet being close to perihelion. The geometric circumstances of that ...
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      The 2011 October Draconids outburst-II. Meteoroid chemical abundances from fireball spectroscopy  [Article]

      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 (Oxford University Press, 2013)
      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 ...
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      The Geminid meteoroid stream as a potential meteorite dropper: A case study  [Article]

      Madiedo Gil, José María; Trigo Rodríguez, Josep Maria; Castro Tirado, Alberto J.; Ortiz, José L.; Cabrera Caño, Jesús María (Oxford University Press, 2013-12)
      A Geminid fireball with an absolute magnitude of -13 was observed over the south of Spain on 2009 December 15. This extraordinarily bright event (the brightest Geminid ever recorded by our team) was imaged from two meteor ...
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      The Northern χ -Orionid meteoroid stream and possible association with the potentially hazardous asteroid 2008XM1  [Article]

      Madiedo Gil, José María; Trigo-Rodríguez, Josep Maria; Williams, Iwan P.; Ortíz, José L.; Cabrera Caño, Jesús María (2013)
      We present new orbital data and dynamic results pointing towards the origin of the Northern χ -Orionid meteoroid stream, which is a part of the Taurid meteoroid complex. A new software package was developed to establish ...
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      The Northern ω-Scorpiid meteoroid stream: orbits and emission spectra  [Article]

      Espartero, Francisco; Madiedo Gil, José María (Springer Verlag, 2016-07-09)
      We analyze the activity of the Northern ω-Scorpiid meteor shower between 2010 and 2012. For this purpose we have employed an array of low-lux CCD video cameras and spectrographs deployed at different astronomical observatories ...
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      UV to far-IR reflectance spectra of carbonaceous chondrites - I. Implications for remote characterization of dark primitive asteroids targeted by sample-return missions  [Article]

      Trigo-Rodríguez, Josep Maria; Moyano-Cambero, Carles E.; Llorca, Jordi; Fornasier, Sonia; Barucci, Maria Antonietta; Belskaya, Irina N.; Martins, Zita; Rivkin, Andrew S.; Dotto, Elisabetta; Madiedo Gil, José María; Alonso-Azcárate, Jacinto (Oxford University Press, 2013)
      We analyse here a wide sample of carbonaceous chondrites from historic falls (e.g. Allende, Cold Bokkeveld, Kainsaz, Leoville, Murchison, Murray, Orgueil and Tagish Lake) and from NASA Antarctic collection.With the analysis ...