نتایج جستجو برای: ibex
تعداد نتایج: 485 فیلتر نتایج به سال:
Abstract Prior to the Voyagers’ heliopause crossings, models and community expected magnetic field show major rotations across boundary. Surprisingly, showed no significant change in direction from heliospheric Parker Spiral at either Voyager location. Meanwhile, a result IBEX mission is derived magnitude of interstellar far Sun (∼1000 au) beyond influence heliosphere. Using self-consistent mod...
Energetic neutral atom (ENA) models typically require post-processing routines to convert the distributions of plasma and H atoms into ENA maps. Here we investigate how two kinetic-MHD heliosphere (the BU Moscow models) manifest in modeled maps using same prescription they compare with Interstellar Boundary Explorer (IBEX) observations. Both MHD treat solar wind as a single-ion for protons, whi...
Abstract In this study, we estimate the heliospheric termination shock (HTS) compression ratio at multiple directions in sky from a quantitative comparison of observed and simulated inner heliosheath (IHS) energetic neutral atom (ENA) fluxes. We use 3D steady-state simulation heliosphere to simulate ENA fluxes by postprocessing MHD plasma using multi-Maxwellian distribution for protons IHS. The...
Industrially relevant computational fluid dynamics simulations frequently require vast resources that are only available to governments, wealthy corporations, and institutions. Thus, in many contexts realities, high-performance computing grids cloud on demand should be evaluated as viable alternatives conventional clusters. In this work, we present the analysis of time-to-solution cost an entro...
The IBEX-Lo instrument on the Interstellar Boundary Explorer (IBEX) mission measures interstellar neutral (ISN) helium atoms. detection of atoms is made through negative hydrogen (H$^-$) ions sputtered by from conversion surface. energy spectrum ISN broad and overlaps four lowest electrostatic analyzer (ESA) steps. Consequently, response function for does not correspond to nominal step transmis...
Bibliometric maps are scaled representations of clusters of papers and provide an overview of a scientific field as provided by those papers and the references between them. We have enhanced our interactive bibliometric explorer (iBEX) to visualise the distribution of phrases over such bibliometric maps. Assuming that generic (non-content-bearing) phrases occur in most of the papers in the map,...
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