Cada 8 minutos se abre un Portal magnético que conecta directamente el sol con la tierra

 

Científicos de la Universidad de Leicester UK, confirman que cada 8 minutos se abre un Vortex entre la Tierra y el Sol.

Las observaciones realizadas por un grupo de científicos de la Universidad de Leicester UK, han confirmado las observaciones previas realizadas por el Proyecto THEMIS, de NASA durante 2007- 2008.

En base a estas observaciones, cada 8 minutos se abre un Portal magnético que conecta directamente el sol con la tierra y que permite el flujo continuo de partículas de alta energía entre el Sol y la Magnetosfera terrestre.

El evento denominado FTE ( Flujos de Transferencia de Eventos) se produce en el momento en el que se genera la apertura del portal.

El cluster compuesto por los cinco nodos de  THEMIS conjuntamente con el dispuesto por la Agencia Espacial Europea han podido medir sus dimensiones así como el flujo de partículas FTE que se genera. El portal toma la forma de un cilindro magnético de la anchura de la Tierra.

Seguidamente, exponemos un esquema de la disposición y apertura del portal, así como la transferencia de partículas (FTE) que se genera en su interior y su topología tubular en codos espirales, cilíndrica y en forma de burbujas.

El resumen del estudio EN INGLÉS:

Flux transfer events: Bursty reconnection at the Earth’s magnetopause

R. C. Fear (1)

S. E. Milan (1)

A. N. Fazakerley (2)

C. J. Owen (2)

r.fear@ion.le.ac.uk

(1) Radio & Space Plasma Physics Group, University of Leicester, Leicester, LE1 7RH, United Kingdom

(2) Mullard Space Science Laboratory, University College London, Holmbury St. Mary, Dorking, Surrey, RH5 6NT, United Kingdom

A flux transfer event (FTE) is a burst of reconnection at the Earth’s magnetopause (the boundary between terrestrial magnetic field lines and the interplanetary magnetic field). FTEs can be observed either via their in situ signatures (in the magnetic field and plasma distributions) or by the effect they have on the ionosphere (pulsed flows and poleward-moving auroral and radar features). Early work showed that FTE occurrence at the dayside magnetopause is correlated with intervals of southward-directed interplanetary magnetic field (Rijnbeek et al., 1984; Berchem and Russell, 1984). In this talk, we present an overview of recent work that we have carried out on FTEs using in situ observations from the European Space Agency’s four-spacecraft Cluster mission, supported by ionospheric observations from the SuperDARN radar network. We examine three main topics. First, we discuss the occurrence of FTEs when the interplanetary magnetic field is northward. Under such conditions, magnetopause reconnection may occur at high latitudes, but the net force exerted on the FTE structures may drag them equatorward, where they can be observed in the post-terminator region (Fear et al., 2005). Second, we consider the more general matter of FTE motion in a range of interplanetary magnetic conditions. We compare the velocities of FTE structures (deduced from multi-spacecraft observations) with a simple model of open field line motion developed by Cooling et al. (2001), and find that the model explains the observed motion of open field lines across the magnetopause reasonably well (Fear et al., 2007). Finally, we present some observations of FTEs made by the Cluster spacecraft at their largest separation of the entire mission (~10,000 km), along with supporting ionospheric observations, which show that FTE structures at the magnetopause can exist with a variety of azimuthal extents, either extending further azimuthally than they do poleward, or existing as more spatially localized features (Fear et al., 2008a,b).

Y los resultados de la investigación, están expuestos detalladamente aquí  Plasma transfer processes at the magnetopause

fuente/StarViewerTeam International 2011.