Results 41 to 50 of about 585,007 (286)

Evolution of the interplanetary magnetic field [PDF]

open access: yes, 1994
Remote observations of magnetic field topologies in the solar corona and in situ observations of the solar wind and interplanetary magnetic field (IMF) in interplanetary space are used to examine the temporal evolution of the spatial distribution of open and closed field regions emanating from the Sun.
openaire   +2 more sources

32. Interplanetary magnetic field [PDF]

open access: yesSymposium - International Astronomical Union, 1958
The magnetic field outside the sun (interplanetary magnetic field) is certainly far from a dipole field. A model of it has recently been suggested (Tellus,8, 1, 1956). This model is in agreement with cosmic ray and magnetic storm data and reconcilable with the coronal ray structure. Some possibilities to check the model are discussed.
openaire   +2 more sources

Revised time-of-flight calculations for high-latitude geomagnetic pulsations using a realistic magnetospheric magnetic field model [PDF]

open access: yes, 2005
We present a simple time-of-flight analysis of Alfvén pulsations standing on closed terrestrial magnetic field lines. The technique employed in this study in order to calculate the characteristic period of such oscillations builds upon earlier time-of ...
Waters, C. L.   +2 more
core   +1 more source

Acceleration of an interplanetary shock through the magnetosheath: a global hybrid simulation

open access: yesFrontiers in Astronomy and Space Sciences
According to most observations and simulations, interplanetary shocks slow down when they propagate through the magnetosheath. In this article, we present results from a self-consistent global hybrid PIC simulation of an interplanetary shock which, by ...
C. Moissard   +4 more
doaj   +1 more source

Magnetic clouds seen at different locations in the heliosphere [PDF]

open access: yesAnnales Geophysicae, 2008
We analyze two magnetic clouds (MCs) observed in different points of the heliosphere. The main aim of the present study is to provide a link between the different aspects of this phenomenon, starting with information on the origins of the MCs at the ...
L. Rodriguez   +13 more
doaj   +1 more source

Forecasting intense geomagnetic activity using interplanetary magnetic field data [PDF]

open access: yesAnnales Geophysicae, 2008
Southward interplanetary magnetic fields are considered traces of geoeffectiveness since they are a main agent of magnetic reconnection of solar wind and magnetosphere.
E. Saiz, C. Cid, Y. Cerrato
doaj   +1 more source

A model of interplanetary and coronal magnetic fields [PDF]

open access: yesSolar Physics, 1969
Green function solution to Maxwell equations for interplanetary and coronal magnetic fields above photosphere, considering field at source ...
Kenneth H. Schatten   +2 more
openaire   +2 more sources

Mercury’s Bow Shock and Magnetopause Variations According to MESSENGER Data

open access: yesUniverse
Using data from the MESSENGER spacecraft magnetometer that describes the magnetopause and the bow shock crossing points of the Mercury’s magnetosphere, we have calculated the parameters of the paraboloids of revolution approximating the obtained points ...
Dmitry Nevsky   +2 more
doaj   +1 more source

Propagation Characteristics of Two Coronal Mass Ejections From the Sun Far into Interplanetary Space [PDF]

open access: yes, 2017
Propagation of coronal mass ejections (CMEs) from the Sun far into interplanetary space is not well understood due to limited observations. In this study we examine the propagation characteristics of two geo-effective CMEs, which occurred on 2005 May 6 and 13, respectively. Significant heliospheric consequences associated with the two CMEs are observed,
arxiv   +1 more source

Evolution of Coronal and Interplanetary Magnetic Fields [PDF]

open access: yesSymposium - International Astronomical Union, 1980
Numerous studies have provided the detailed information necessary for a substantive synthesis of the empirical relation between the magnetic field of the sun and the structure of the interplanetary field. We will point out the latest techniques and studies of the global solar magnetic field and its relation to the interplanetary field. The potential to
openaire   +2 more sources

Home - About - Disclaimer - Privacy