TEDE ON: Envíos recientes

  • MULTISCALE INVERSION OF ONSHORE-OFFSHORE ELECTROMAGNETIC DATA FROM SOUTHEAST BRAZIL AND SANTOS BASIN 
    SANTOS BENEVIDES, ARTUR (Observatorio NacionalDivisão de Programas de Pós-Graduação - DIPPGBrasilONPrograma de Pós-Graduação em Geofísica, 2023-12-13)
    In this work, magnetotelluric (MT) and Controlled Source Electromagnetic (CSEM) methods have been used to assess the deep and shallow geoelectrical nature of the Earth underneath Southeastern Brazilian onshore margin and ...
  • CAMADA EQUIVALENTE CONVOLUCIONAL PARA PROCESSAMENTO DE DADOS POTENCIAIS 
    TAKAHASHI TOMAZELLA, DIEGO (Observatorio NacionalDivisão de Programas de Pós-Graduação - DIPPGBrasilONPrograma de Pós-Graduação em Geofísica, 2021-09-27)
    We have developed an efficient and very fast equivalent-layer technique for gravity and magnetic data processing by modifying the forward problem calculation of an iterative method grounded on excess mass constraint that ...
  • MODELAGEM MAGNÉTICA 3D DE CORPOS ELIPSOIDAIS 
    TAKAHASHI TOMAZELLA, DIEGO (Observatorio NacionalDivisão de Programas de Pós-Graduação - DIPPGBrasilONPrograma de Pós-Graduação em Geofísica, 2017-03-27)
    Since the second half of the nineteenth century, a vast literature has been published on the magnetic modeling of uniformly magnetized ellipsoids. In this work, we present a integrated review about magnetic modeling of ...
  • MÉTODO DE ANÁLISE DE AMBIGUIDADE DA DIREÇÃO DE MAGNETIZAÇÃO REMANENTE E DA RAZÃO DE KOENIGSBERGER EM CORPOS GEOLÓGICOS 3D MAGNETIZADOS UNIFORMEMENTE 
    PAES GONZALEZ, SHAYANE (Observatorio NacionalDivisão de Programas de Pós-Graduação - DIPPGBrasilONPrograma de Pós-Graduação em Geofísica, 2023-10-25)
    We developed a new ambiguity analysis method for appraisal the remanent-magnetization direction and the Koenigsberger ratio (Q) of a uniformly magnetized source. Our method is grounded on a new formulation of the unit ...
  • CAMADAS EQUIVALENTES RÁPIDAS PARA O PROCESSAMENTO DE DADOS DE CAMPOS POTENCIAIS 
    DA SILVA PIAUILINO, LARISSA (Observatorio NacionalDivisão de Programas de Pós-Graduação - DIPPGBrasilONPrograma de Pós-Graduação em Geofísica, 2023-12-15)
    We propose two fast equivalent-layer techniques for processing large gravity gradient and magnetic datasets. Based on the equivalent-layer principle, we assume that potential-field data produced by arbitrary geological ...
  • PARÂMETROS ATMOSFÉRICOS E CAMPOS MAGNÉTICOS DE ESTRELAS ANÃS M OBSERVADAS PELO LEVANTAMENTO APOGEE 
    CARNEIRO WANDERLEY, FABIO (Observatorio NacionalDivisão de Programas de Pós-Graduação - DIPPGBrasilONPrograma de Pós-Graduação em Astronomia, 2024-07-26)
    This thesis presents a spectroscopic analysis of M dwarf stars using high-resolution (R$\sim$22.500) near-infrared (1,514--1,696 $\mu$m) spectra from the SDSS/APOGEE survey. Our methodology adopts spectrum synthesis with ...
  • RINGS DIVERSITY AROUND SMALL SOLAR SYSTEM BODIES: DISCOVERIES AND DETECTION LIMITS 
    PEREIRA, CHRYSTIAN LUCIANO (Observatorio NacionalDivisão de Programas de Pós-Graduação - DIPPGBrasilONPrograma de Pós-Graduação em Astronomia, 2024-08-27)
    The first detection of a ring system through stellar occultation, a significant milestone in the history of planetary science, occurred in 1977. Then, astronomers unexpectedly discovered Uranus’s rings while studying the ...
  • ON THE COSMIC ACCELERATION AND MATTER CLUSTERING IN MODIFIED f(R) GRAVITY MODELS 
    NOGUEIRA RIBEIRO, BRUNO WESLEY (Observatorio NacionalDivisão de Programas de Pós-Graduação - DIPPGBrasilONPrograma de Pós-Graduação em Astronomia, 2024-08-27)
    itulo original da tese: ON THE COSMIC ACCELERATION AND MATTER CLUSTERING IN MODIFIED f(R) GRAVITY MODELS Understanding the origin of the current accelerated expansion of the universe is one of the greatest challenges in ...
  • COSMOLOGICAL APPLICATIONS OF FAST RADIO BURSTS 
    LEMOS PORCIUNCULA ALVES, THAIS (Observatorio NacionalDivisão de Programas de Pós-Graduação - DIPPGBrasilONPrograma de Pós-Graduação em Astronomia, 2024-10-25)
    Fast radio bursts (FRBs) are a new class of high-energy transient events with short duration within the radio frequency range from a few hundred to a few thousand MHz. Although the physical mechanism responsible for these ...
  • DARK DEGENERACY: THEORETICAL AND OBSERVATIONAL ASPECTS 
    BARBOSA DA FONSECA TEIXEIRA, DINORAH (Observatorio NacionalDivisão de Programas de Pós-Graduação - DIPPGBrasilONPrograma de Pós-Graduação em Astronomia, 2024-10-31)
    The fact that Einstein’s equations connect the space-time geometry to the total dark content of the cosmic substratum, but not to individual contributions of its constituents, can be translated into a degeneracy in the ...
  • ANÁLISE DO ESTÁGIO DINÂMICO DE ABELL 3571 POR MEIO DE ESPECTROSCOPIA ESPACIALMENTE RESOLVIDA EM RAIOS X 
    PATRICK PRADO DOS SANTOS (Observatorio NacionalDivisão de Programas de Pós-Graduação - DIPPGBrasilONPrograma de Pós-Graduação em Astronomia, 2024-09-04)
    Thermodynamic maps of galaxy clusters created from X-ray observations are capable of revealing structures within these systems much more effectively than analyses in optical frequencies, for example. Understanding the ...
  • THE NEOPROTEROZOIC-EARLY PALEOZOIC TECTONIC EVOLUTION OF THE NORTHEAST OF BRAZIL: AN INTEGRATED GEOLOGICAL-GEOPHYSICAL ANALYSIS OF THE PRE-SILUIAN BASEMENT OF PARNAÍBA BASIN 
    LIRA PORTO, AMANDA (Observatorio NacionalDivisão de Programas de Pós-Graduação - DIPPGBrasilONPrograma de Pós-Graduação em Geofísica, 2021-07-02)
    THE NEOPROTEROZOIC-EARLY PALEOZOIC TECTONIC EVOLUTION OF THE NORTHEAST OF BRAZIL: AN INTEGRATED GEOLOGICAL-GEOPHYSICAL ANALYSIS OF THE PRE-SILURIAN BASEMENT OF PARNAÍBA BASIN. The Phanerozoic sedimentary sequences of ...
  • Relações entre corpos parentais, meteoroides, meteoros e chuvas de meteoros 
    BARROS DE CICCO, MARCELO ANTONIO (Observatorio NacionalDivisão de Programas de Pós-Graduação - DIPPGBrasilONPrograma de Pós-Graduação em Astronomia, 2024-07-29)
    EXOSS (Exploring Southerns Skies for New Radiants) it is a citizen science project that started its activities on May 2015 and later became a master graduate project developing its operational and scientific structure, ...
  • ESTUDO DAS PROPRIEDADES FÍSICAS DE DUAS POPULAÇÕES DE PEQUENOS CORPOS: A DOS OBJETOS CRUZADORES DA ÓRBITA DE MARTE E A DE OBJETOS EM ÓRBITA PRÓXIMA DA TERRA 
    MICHIMANI GARCIA, JONATAN (Observatorio NacionalDivisão de Programas de Pós-Graduação - DIPPGBrasilONPrograma de Pós-Graduação em Astronomia, 2023-12-07)
    The study of Mars-crossers (MCs) and near-Earth objects (NEOs) allows us to gather information about the Solar System’s smallest bodies due to their proximity to Earth. In this work, we present the results of photometric ...
  • EVOLUÇÃO DE GALÁXIAS EM SUPERGRUPOS DE AGLOMERADOS DE GALÁXIAS EM BAIXO REDSHIFT 
    GOIS DA SILVA, FILIPE (Observatorio NacionalDivisão de Programas de Pós-Graduação - DIPPGBrasilONPrograma de Pós-Graduação em Astronomia, 2023-12-19)
    Supergroups are “groups of galaxy groups” and/or galaxy clusters with substructures that might collapse into a single cluster. Since galaxy clusters have singular characteristics, such as a well-defined red sequence and a ...
  • EXPLORANDO VARIÁVEIS CATACLÍSMICAS COM SIMILARIDADES OBSERVACIONAIS DE ANÃS BRANCAS ACRETANTES MAGNÉTICAS E NÃO-MAGNÉTICAS 
    SILVA DE ARAUJO, AMANDA (Observatorio NacionalDivisão de Programas de Pós-Graduação - DIPPGBrasilONPrograma de Pós-Graduação em Astronomia, 2024-07-18)
    Cataclysmic Variables (CVs) are binary systems in which a white dwarf (WD) accretes matter from a companion star on or near the main sequence. Some of the uncertainties about these systems revolve around the following ...
  • TESTE DO PRINCÍPIO COSMOLÓGICO UTILIZANDO RECONSTRUÇÕES NÃO-PARAMÉTRICAS 
    LOPES DA SILVA DIAS, MARIANA (Observatorio NacionalDivisão de Programas de Pós-Graduação - DIPPGBrasilONPrograma de Pós-Graduação em Astronomia, 2024-08-15)
    This work aims to conduct a consistency test of the Cosmological Principle, one of the fundamental hypotheses of the Standard Cosmological Model. This principle postulates that the Universe is homogeneous and isotropic on ...
  • O DIPOLO GRAVITACIONAL NO UNIVERSO LOCAL 
    GOMES LOPES, MARIA EDUARDA (Observatorio NacionalDivisão de Programas de Pós-Graduação - DIPPGBrasilONPrograma de Pós-Graduação em Astronomia, 2024-08-16)
    The bulk flow motion in the Local Universe is a collective phenomenon arising from the peculiar motions of matter structures, which, instead of moving randomly, appear to exhibit an approximately dipolar velocity flow. For ...
  • MODELAGEM DO LINEAMENTO COLATINA UTILIZANDO MÉTODOS GEOFÍSICOS NA REGIÃO ONSHORE ADJACENTE À BACIA DO ESPÍRITO SANTO 
    DO VALE PENA, CHRISTOFHER (Observatorio NacionalDivisão de Programas de Pós-Graduação - DIPPGBrasilONPrograma de Pós-Graduação em Geofísica, 2021-12-20)
    This research had as objective to carry through an interpretative magnetometric, gravimetric and gamma radiometric study of the dykes bundle, located in the state of Espirito Santo, a structure that has received different ...
  • PETROPHYSICAL ANALYSIS OF CARBONATED WATER INJECTION EFFECTS ON LACUSTRINE CARBONATES OF MUPE MEMBER, LOWER PURBECK GROUP (UPPER JURASSIC), UK 
    DANTAS DE ALBUQUERQUE, ISABELA (Observatorio NacionalDivisão de Programas de Pós-Graduação - DIPPGBrasilONPrograma de Pós-Graduação em Geofísica, 2022-09-28)
    This research studies the dissolution and mineralogical alteration caused by carbonated water injection (CWI) and its effects on the petrophysical properties (porosity and permeability) of limestone samples from the Mupe ...