F. Espartero's research while affiliated with University of Granada and other places
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Publications (11)
The Andalusian Astronomy Observatory (OAA) has been designed and built in order to fill a gap betweenthe professional observatory, for exclusive use for research, and the small amateur observatory. The OAA is intended to be a mid-level observatory that allows to work in Astrophysics Research and, at the same time, perform an important role in the o...
We present a new autonomous system to study meteors’ emission spectra based on the image capture with CCDs, wide field cameras and a holographic diffraction gratings. The equipment contains two spectrographs with different configurations, so that unique and complementary images of the same event can be captured. The system is formed by an Autonomou...
A new model of astronomical observatory is presented, small and versatile, capable of satisfying the demands of professional and amateur astronomers: The PROAM Observatory. An auto-installing, low cost and easy to transport observatory has been designed, with light and resistant materials. It can house astronomical material, and auxiliary equipment...
We present a meteor observation system based on imaging CCD cameras, wide-field optics and a diffraction grating. This system is composed of two independent spectrographs with different configurations, which allows us to capture images of fireballs and meteors with several fields of view and sensitivities. The complete set forms a small autonomous...
We analyze the activity of the Northern \omega-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 in Spain. As a result of our survey, the atmospheric trajectory and radiant position of 11 of these meteor events were...
We analyze the activity of the Northern \omega-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 in Spain. As a result of our survey, the atmospheric trajectory and radiant position of 11 of these meteor events were...
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 Earth-grazing meteor
reported in the scientific literature, but also the first one belonging to a meteor shower. Thus, the orbi...
The activity of the Quadrantids in January during several years (2008, 2010, 2011 and 2012) has been investigated in the framework of the SPanish Meteor Network (SPMN). For this purpose, an array of high-sensitivity CCD video devices and CCD all-sky cameras have been used to obtain multi-station observations of these meteors. These allowed to obtai...
We focus on the analysis of the afterglow spectrum of a magnitude -10.5 KCG fireball imaged over Spain on Aug. 15, 2012.
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...
This work focuses on the preliminary analysis of a deep-penetrating sporadic fireball event recorded over the south of Spain on December 5, 2013.
Citations
... simultaneously [11]. These observatories have also been designed to work remotely (robotically) through control software and devices. ...
... Work has been presented in the past on unique Earth-grazing events where a significant effort has been made to determine the path of the meteoroid without the unique use of a SLLS approximation (Borovicka and Ceplecha, 1992;Madiedo et al., 2016). It is interesting to note however that in Borovicka and Ceplecha (1992) there is an observatory almost directly under the event from which the authors were able to determine that there was no curvature to the trajectory outside the observational plane from this viewpoint. ...
Reference: 3D Meteoroid Trajectories
![[object Object]](https://i1.rgstatic.net/ii/profile.image/870455615422466-1584544199757_Q64/Jose-M-Madiedo.jpg)
... The Quadrantid complex consists of comet 96P/Machholz 1 (very likely) and, more firmly, NEA 2003EH1 and the Quadrantid meteoroid stream, producing eight meteor showers observable on the Earth. Recently, the activity of the Quadrantids was confirmed again by the results of observation of Quadrantid meteors (Madiedo et al. 2016). ...
![[object Object]](https://i1.rgstatic.net/ii/profile.image/272267250761773-1441924979809_Q64/Josep-Trigo-Rodriguez.jpg)
![[object Object]](https://i1.rgstatic.net/ii/profile.image/272268488081412-1441925274144_Q64/Diego-Rodriguez-20.jpg)
... Meteor activity from 209P, the Camelopardalids (#451), was first detected in 2014 when the comet made a close approach to the Earth, and a handful of trails generated between 1798 and 1979 were directly crossed by the Earth . Characterization of the optical-sized meteors showed low tensile strengths compatible with a cometary origin, though spectroscopy also revealed a low Fe content indicative of non-chondrite material (Madiedo et al. 2014b). Interestingly, the radar-sized meteoroids are apparently of higher tensile strength (Ye et al. 2016b), implying a difference meteoroid structure compared to comets such as 21P (which meteoroids are consistently fragile regardless of size). ...
Reference: Comets and meteor showers
![[object Object]](https://i1.rgstatic.net/ii/profile.image/278770004054046-1443475356765_Q64/Jaime-Izquierdo.jpg)
![[object Object]](https://i1.rgstatic.net/ii/profile.image/11431281189075958-1694887822111_Q64/Marta-Urzaiz.jpg)
