Four simulations are considered each with the same evolving photospheric boundary condition.
Magnetic carpet sun gausee.
Its visible surface appears to be carpeted with tens of thousands of magnetic north and south poles joined by looping field lines which extend outward into the solar corona.
The origin of magnetic fields on the sun is explained as a dynamo process in which highly turbulent hot plasma flows.
In the constellation cassiopeia approximately 18 000 light years from earth a magnetar named 1e 2259 is being studied.
Eclipse and eit stills.
The earth s magnetic field.
The kinetic balance of emergence fragmentation merging and cancellation is responsible for the.
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Let s start with something familiar.
Magnetic carpet movie still view 3 magnetic carpet movie still view 4 b.
High altitude observatory national center for atmospheric research click for jpeg.
It s not much different for the sun.
The sun has a magnetic carpet.
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A few to a few hundred gauss depending on where on the surface you.
It suddenly began bursting in june 2002 with over 80 bursts recorded within a 4 hour window.
This article is the third in a series working towards the construction of a realistic evolving non linear force free coronal field model for the solar magnetic carpet.
Recent observations by the michelson doppler imager on the solar and heliospheric observatory show that the magnetic field in the quiet sun is replaced in about 40 hours.
The fields are observed as salt and pepper on magnetograms displaying fascinating patterns in the sun s magnetic carpet these magnetic fields are an important ingredient of solar magnetoconvection turbulence.
The magnetic carpet of the sun credit.
Here we present preliminary results of 3d time dependent simulations of the small scale coronal field of the magnetic carpet.
That s around 1 gauss.
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Since then magnetar 1e 2259 hasn t disturbed the depths of space.
Hi res image image short description 1980 total eclipse credit.
For comparison the sun s magnetic field is only about 5 gauss.