DSpace/Manakin Repository

xmlui.ArtifactBrowser.ConfigurableBrowse.title.metadata.type

xmlui.ArtifactBrowser.ConfigurableBrowse.title.metadata.type

Classificar por: Ordenar: Resultados:

  • ALBERTI, RODRIGO (Observatorio NacionalDivisão de Programas de Pós-Graduação - DIPPGBrasilONPrograma de Pós-Graduação em Geofísica, 2021-09-15)
    Abstract: The present study presents a new interpretation of the positioning of plutons and volcanic rocks of the Paleogene in the Mucuri Basin, at the East-Brazilian continental margin. Thematic magnetometric and gravimetric ...
  • ALVES RAMOS, ANDRE (Observatorio NacionalDivisão de Programas de Pós-Graduação - DIPPGBrasilONPrograma de Pós-Graduação em Astronomia, 2022-12-02)
    Open clusters are star systems gravitationally bound and distributed throughout the galactic disk. Since their distances and ages are well determined, they become important astrophysical laboratories and can be used as ...
  • ANDRES PENA ARCOS, DIEGO (Observatorio NacionalDivisão de Programas de Pós-Graduação - DIPPGBrasilONPrograma de Pós-Graduação em Geofísica, 2013-02-28)
    Os impulsos da variação secular geomagnética são importantes para compreender melhor a dinâmica do núcleo terrestre e a condutividade elétrica do manto. Embora a origem dos impulsos seja interna, sua detecção em dados de ...
  • ANTUNES MARQUES, GABRIELA (Observatorio NacionalDivisão de Programas de Pós-Graduação - DIPPGBrasilONPrograma de Pós-Graduação em Astronomia, 2015-07-23)
    Observations of temperature and polarization of the cosmic microwave background (CMB) provide important information of the early universe. The CMB temperature fluctuations are related to the perturbations from inflationary ...
  • BANDA HUARCA, MARTIN VALENTIN (Observatorio NacionalDivisão de Programas de Pós-Graduação - DIPPGBrasilONPrograma de Pós-Graduação em Astronomia, 2015-09-25)
    One way to know the physical properties of Trans-Neptunian objects (TNOs) is the analysis of stellar occultations by these objects. The prediction of a stellar occultation basically depends on comparisons of TNOs' ephemeris ...
  • BARROS DE CICCO, MARCELO ANTONIO (Observatorio NacionalDivisão de Programas de Pós-Graduação - DIPPGBrasilONPrograma de Pós-Graduação em Astronomia, 2017-09-27)
    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, ...
  • BASANTE ERAZO, CARLOS ARTURO (Observatorio NacionalDivisão de Programas de Pós-Graduação - DIPPGBrasilONPrograma de Pós-Graduação em Astronomia, 2016-03-28)
    Light curves from the occultation of a star by a distant body in the solar system allow us to meausre the dimensions of this latter with kilometric accuracies. This is rivaled only by measurements made by space probes. It ...
  • BASSALLO DA SILVA, TAYSA (Observatorio NacionalDivisão de Programas de Pós-Graduação - DIPPGBrasilONPrograma de Pós-Graduação em Astronomia, 2017-09-29)
    This work aims at contributing to a more refined ground-based astrometry from the PRAIA code (Platform for the Reduction of Astronomical Images Automatically), more specifically, that of small solar system bodies. Such ...
  • BATALHA DE MELO, REBECA MARIA (Observatorio NacionalDivisão de Programas de Pós-Graduação - DIPPGBrasilONPrograma de Pós-Graduação em Astronomia, 2018-03-15)
    The phenomenon of Supernova is not completely understood. The explosion mechanisms of Supernovae (SNe) and the nature of their binary system still remain open. In the current literature, there are a variety of theoretical ...
  • BATISTA SOUZA, TIAGO (Observatorio NacionalDivisão de Programas de Pós-Graduação - DIPPGBrasilONPrograma de Pós-Graduação em Astronomia, 2015-11-04)
    Massive stars are very complex objects and up to now their evolution is not well understood yet. Among the massive stars, the Classical Be stars are the subject of this dissertation. They are B-type, non-supergiants stars, ...
  • BEHAR JORGE, PRISCILLA (Observatorio NacionalDivisão de Programas de Pós-Graduação - DIPPGBrasilONPrograma de Pós-Graduação em Astronomia, 2021-04-01)
    active galactic nuclei is an extensively topic of investigation in the literature. It is known the importance that this object has in its medium where it is formed and ejected, just like its consequences. In the current ...
  • BESSA RODRIGUES DUTRA, PEDRO HENRIQUE (Observatorio NacionalDivisão de Programas de Pós-Graduação - DIPPGBrasilONPrograma de Pós-Graduação em Astronomia, 2020-07-21)
    The Integrated Sachs-Wolfe effect is a Cold Microwave Background observable particularly sensitive to the change in cosmological eras dominated by different mat- ter components. Its temperature power spectrum is a strong ...
  • BIJANI SANTOS, RODRIGO (Observatorio NacionalDivisão de Programas de Pós-Graduação - DIPPGBrasilONPrograma de Pós-Graduação em Geofísica, 2012-02-16)
    raditionally, rst-arrival travel time tomographic problems are treated as nonlinear inverse problems solved by deterministic optimization methods. These methods minimize the objective function by taking its derivatives. ...
  • BORGES FERREIRA LIMA, GUSTAVO (Observatorio NacionalDivisão de Programas de Pós-Graduação - DIPPGBrasilONPrograma de Pós-Graduação em Astronomia, 2021-08-10)
    We present in this work a practical general relativity approach in order to create a set of luminosity distance $d_L$ dataset, coming from gravitational wave simulations. Then we use these simulated data, together with ...
  • CACERES REATEGUI, JESSICA GIOVANNA (Observatorio NacionalDivisão de Programas de Pós-Graduação - DIPPGBrasilONPrograma de Pós-Graduação em Astronomia, 2015-09-29)
    In this work we performed a study about the dynamical stability of co-orbital hypothetical planets (Trojans), around the Lagrangian points $L_{4}$ of known planets which form the compact extrasolar planetary systems Kepler-9 ...
  • CARNEIRO GAMA, LUIZ PAULO (Observatorio NacionalDivisão de Programas de Pós-Graduação - DIPPGBrasilONPrograma de Pós-Graduação em Astronomia, 2012-08-30)
    A associação Scorpio-Centaurus (Sco-Cen) é a associação OB mais próxima do Sol e está dividida em três sub-grupos estelares: Upper Scorpius (US), Upper Centaurus Lupus (UCL) e Lower Centaurus Crux (LCC). US é o grupo mais ...
  • CHAVES BICALHO DOMINGOS, ISADORA (Observatorio NacionalDivisão de Programas de Pós-Graduação - DIPPGBrasilONPrograma de Pós-Graduação em Astronomia, 2014-06-27)
    In this work, we present the results of a kinematic study of two metal poor HII galaxies which show a broad component in their emission lines(SDSS J1047+0739 and MRK996), using the Near Infrared Integral Field Spectrograph ...
  • CLIMACO RODRIGUES, CIRO (Observatorio NacionalDivisão de Programas de Pós-Graduação - DIPPGBrasilONPrograma de Pós-Graduação em Geofísica, 2023-06-30)
    In this work, we integrate seismic and cyclostratigraphic interpretations carried out in the thinning region of the northern portion of the Campos Basin, Brazil. For this purpose, gamma-ray data from three wells, arranged ...
  • COSTA DE ALMEIDA, ELLEN (Observatorio NacionalDivisão de Programas de Pós-Graduação - DIPPGBrasilONPrograma de Pós-Graduação em Astronomia, 2022-08-22)
    Since the discovery of the first exoplanet around a solar-type star in 1995, we have witnessed a fast increase in the number of detected exoplanets – surpassing the mark of 5000. These discoveries, associated with an ...
  • DA CUNHA MACEDO, HELBER (Observatorio NacionalDivisão de Programas de Pós-Graduação - DIPPGBrasilONPrograma de Pós-Graduação em Geofísica, 2013-12-11)
    The present work aims to develop a methodology that enables the prediction and harmonic analysis of ocean tides. Three computer codes were developed in Fortran. Two of them make the harmonic analysis to generate the fifteen ...