Persona: Rivero Rodríguez, Miguel Ángel
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Rivero Rodríguez
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Miguel Ángel
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Publicación Restringido Anisotropic magnetoresistance (AMR) instrument to study the Martian magnetic environment from the surface: expected scientific return(Springer Link, 2023-08-15) Díaz Michelena, M.; Fernández Romero, S.; Adeli, Solmaz; Henrich, Clara; Aspás, Alberto; Parrondo, M. C.; Rivero Rodríguez, Miguel Ángel; Oliveira, Joana S.; Instituto Nacional de Técnica Aeroespacial (INTA); Centros de Excelencia Severo Ochoa, BARCELONA SUPERCOMPUTING CENTER (BSC), SEV2015-0493The ExoMars programme has the objective to answer to the question of whether life ever existed on Mars. The second mission comprising the Rosalind Franklin rover and Kazachok Surface Platform was designed to focus specifically on the characterization of the environmental parameters which can play an important role for the existence of life on the surface of the planet. One of these parameters is the magnetic field because of its ability of shielding the solar and cosmic radiation. For such characterization, the scientific suite of the Surface Platform counts with two instruments: the Anisotropic MagnetoResistance (AMR) and the MArtIan Ground ElectromagneTic (MAIGRET) instruments. The AMR goal is to characterize both the surface and subsurface and the time-varying magnetic fields, related to the crustal and the external fields respectively, at the ExoMars landing site in Oxia Planum. The operation to achieve these goals includes two phases, the first phase corresponding to the lander descent and the second phase in which the instrument is deployed on the surface. In this work, we simulate the first operations phase using synthetic magnetic field models, assuming that the different crustal units at the landing site might be magnetized. We also perform measurements in our laboratory to simulate the second phase operation of the instrument on the Martian surface. We discuss the capability of interpretation of the instrument, based on the available information of the landing site and the results from our models.Publicación Acceso Abierto Vector Magnetometry Using Remotely Piloted Aircraft Systems: An Example of Application for Planetary Exploration(Multidisciplinary Digital Publishing Institute (MDPI), 2021-01-23) Fernández Romero, S.; Morata Barrado, P.; Vázquez Yañez, G. A.; De Diego Custodio, E.; Díaz Michelena, M.; Rivero Rodríguez, Miguel Ángel; Agencia Estatal de Investigación (AEI); Fernández Romero, S. [0000-0002-7169-2222]; Vázquez Yañez, G. A. [0000-0002-8765-3068]Geomagnetic prospection is an efficient and environmentally friendly geophysical method for the analysis of the magnetic minerals’ distribution in the subsurface. High-resolution measurements require on-ground campaigns. However, these activities might imply high costs, risk and time consumption. Some more recent works have started to use magnetometers on-board remote piloted aircrafts. Normally, they fly at a constant altitude and use scalar probes. This configuration permits the determination of the magnitude of the magnetic field but not the direction, and requires advanced techniques for in-depth interpretation of the sources. In this manuscript, we describe the accommodation of a system for vector magnetometry in a drone whose flight altitude follows the elevation of the terrain. This singularity improves the capability of interpretation, including constraints in dating due to the record of the geomagnetic field. The work consists of the design, development and implementation of a solidary payload system anchored to the body of the platform in order to determine the vector magnetic field. It describes the details of the system and the performance characteristics obtained after the calibration, as well as its demonstration via a field campaign in the spatter deposits of Cerro Gordo volcano in Campos de Calatrava volcanic province in Spain.
