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Study of Jupiter magnetospheric auroral radio activity variability


This projects aims to perform data analyses of Jupiter auroral radio emissions from Nançay radiotelescope and from Cassini spacecraft. Recently a database of Nançay radiotelescopic decametric observations has been compiled from 1990 to 2018. Further, a catalog of radio emissions at kilometric, hectometric and decametric ranges from Cassini Jupiter flyby (2000-2001) has been compiled. These database will be used to study the Jupiter magnetospheric and auroral variability in several timescales and to study the causes of its variability: solar wind external forcing, internal forcing due to energetic magnetospheric events or Io volcanic eruptions, Jupiter-Galilean moons interaction effects, and observational effcts (declinaton, distance Jupiter-Earth). This data analysis will be performed in the current collaboration with Observatoire de Paris-Meudon and Universidade Federal do Rio Grande do Norte. The dynamic spectra of radio observations will be analysed, deriving the emission power as function of frequency and time. Also time series of integrated radio fluxes and emission characteristics: sources, polarization, duration and maximum frequency, will be analysed. The methods to perform these analyses are Fourier transform, Lomb-Scargle periodogram, wavelet analysis, superposed epoch analysis and cross-correlation analysis. It is the goal of this project to acquire computers to make the data processing and have financial support to visit the Observatoire de Paris and UFRN, and to bring guests to INPE to have discussions with the scientific colleagues, as well as to present the results in scientific confererences. (AU)

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Scientific publications (18)
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
DE SOUZA FRANCO, ADRIANE MARQUES; ECHER, EZEQUIEL; ALVES BOLZAN, MAURICIO JOSE. Wavelet analysis of the magnetotail response to solar wind fluctuations during HILDCAA events. Annales Geophysicae, v. 37, n. 5, p. 919-929, . (17/00516-8, 18/21657-1, 16/10794-2)
JAUER, P. R.; WANG, C.; SOUZA, V. M.; ALVES, M. V.; ALVES, L. R.; PADUA, M. B.; MARCHEZI, J. P.; SILVA, DA L. A.; LIU, Z.; LI, H.; et al. A Global Magnetohydrodynamic Simulation Study of Ultra-low-frequency Wave Activity in the Inner Magnetosphere: Corotating Interaction Region plus Alfvenic Fluctuations. ASTROPHYSICAL JOURNAL, v. 886, n. 1, . (18/21657-1)
KIHARA, W.; MUNAKATA, K.; KATO, C.; KATAOKA, R.; KADOKURA, A.; MIYAKE, S.; KOZAI, M.; KUWABARA, T.; TOKUMARU, M.; MENDONCA, R. R. S.; et al. A Peculiar ICME Event in August 2018 Observed With the Global Muon Detector Network. SPACE WEATHER-THE INTERNATIONAL JOURNAL OF RESEARCH AND APPLICATIONS, v. 19, n. 3, . (18/21657-1, 14/24711-6, 17/21270-7)
MENDONCA, R. R. S.; WANG, C.; BRAGA, C. R.; ECHER, E.; DAL LAGO, A.; COSTA, J. E. R.; MUNAKATA, K.; LI, H.; LIU, Z.; RAULIN, J-P; et al. Analysis of Cosmic Rays' Atmospheric Effects and Their Relationships to Cutoff Rigidity and Zenith Angle Using Global Muon Detector Network Data. JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS, v. 124, n. 12, . (17/21270-7, 14/24711-6, 18/21657-1)
FRANCO, A. M. S.; FRAENZ, M.; ECHER, E.; BOLZAN, M. J. A.. Wavelet analysis of low frequency plasma oscillations in the magnetosheath of Mars. Advances in Space Research, v. 65, n. 9, SI, p. 2090-2098, . (17/00516-8, 18/21657-1, 16/10794-2)
BRAGA, CARLOS ROBERTO; VOURLIDAS, ANGELOS; STENBORG, GUILLERMO; DAL LAGO, ALISSON; SOUZA DE MENDONCA, RAFAEL RODRIGUES; ECHER, EZEQUIEL. Predicting the Time of Arrival of Coronal Mass Ejections at Earth From Heliospheric Imaging Observations. JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS, v. 125, n. 9, . (18/21657-1, 14/24711-6, 17/21270-7)
MARQUES DE SOUZA FRANCO, ADRIANE; HAJRA, RAJKUMAR; ECHER, EZEQUIEL; BOLZAN, MAURICIO JOSE ALVES. Seasonal features of geomagnetic activity: a study on the solar activity dependence. Annales Geophysicae, v. 39, n. 5, p. 929-943, . (18/21657-1)
FRANCO, A. M. S.; ECHER, E.; BOLZAN, M. J. A.; FRAENZ, M.. Study of fluctuations in the Martian magnetosheath using a kurtosis technique: Mars Express observations. EARTH AND PLANETARY PHYSICS, v. 6, n. 1, p. 28-41, . (16/10794-2, 17/00516-8, 18/21657-1)
HEITOR EVANGELISTA; MARIZA P. DE SOUZA ECHER; EZEQUIEL ECHER. Using wavelet decomposition method to retrieve the solar and the global air temperature signals from Greenland, Andes and East Antarctica δ18O ice core records. Anais da Academia Brasileira de Ciências, v. 94, . (18/21657-1)
ROSA OLIVEIRA, ROSEMEIRE APARECIDA; DA SILVA OLIVEIRA, MARCOS WILLIAM; OJEDA-GONZALEZ, ARIAN; PILLAT, VALDIR GIL; ECHER, EZEQUIEL; NIEVES-CHINCHILLA, TERESA. Resolving the Ambiguity of a Magnetic Cloud's Orientation Caused by Minimum Variance Analysis Comparing it with a Force-Free Model. SOLAR PHYSICS, v. 296, n. 12, . (18/21657-1)
BOLZAN, M. J. A.; FRANCO, A. M. S.; ECHER, E.. A wavelet based method to remove the long term periodicities of geophysical time series. Advances in Space Research, v. 66, n. 2, p. 299-306, . (17/00516-8, 18/21657-1, 16/10794-2)
FRANCO, A. M. S.; FRAENZ, M.; ECHER, E.; BOLZAN, M. J. A.; ZHANG, T. L.. The correlation length of ULF waves around Venus: VEX observations. Planetary and Space Science, v. 180, . (16/10794-2, 17/00516-8, 18/21657-1)
ZARKA, P.; MAGALHAES, F. P.; MARQUES, M. S.; LOUIS, C. K.; ECHER, E.; LAMY, L.; CECCONI, B.; PRANGE, R.. upiter's Auroral Radio Emissions Observed by Cassini: Rotational Versus Solar Wind Control, and Components Identificatio. JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS, v. 126, n. 10, . (18/21657-1)
GONCALVES, ITALO G.; ECHER, EZEQUIEL; FRIGO, EVERTON. Sunspot cycle prediction using Warped Gaussian process regression. Advances in Space Research, v. 65, n. 1, p. 677-683, . (18/21657-1)
ECHER, E.; BOLZAN, M. J. A.; FRANCO, A. M. S.. Statistical analysis of solar wind parameter variation with heliospheric distance: Ulysses observations in the ecliptic plane. Advances in Space Research, v. 65, n. 12, p. 2846-2856, . (17/00516-8, 18/21657-1, 16/10794-2)
ECHER, E.. Interplanetary Shock Parameters Near Jupiter's Orbit. Geophysical Research Letters, v. 46, n. 11, p. 5681-5688, . (18/21657-1)
DE SOUZA FRANCO, ADRIANE MARQUES; FRAENZ, MARKUS; ECHER, EZEQUIEL; ALVES BOLZAN, MAURICIO JOSE. Correlation length around Mars: A statistical study with MEX and MAVEN observations. EARTH AND PLANETARY PHYSICS, v. 3, n. 6, p. 560-569, . (17/00516-8, 16/10794-2, 18/21657-1)
HAJRA, RAJKUMAR; DE SOUZA FRANCO, ADRIAN MARQUES; ECHER, EZEQUIEL; ALVES BOLZAN, MAURICIO JOSE. Long-Term Variations of the Geomagnetic Activity: A Comparison Between the Strong and Weak Solar Activity Cycles and Implications for the Space Climate. JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS, v. 126, n. 4, . (18/21657-1)

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