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Magnetic carpet sun gausee.
The kinetic balance of emergence fragmentation merging and cancellation is responsible for the.
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.
Let s start with something familiar.
Four simulations are considered each with the same evolving photospheric boundary condition.
Eclipse and eit stills.
The earth s magnetic field.
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.
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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.
A few to a few hundred gauss depending on where on the surface you.
In the constellation cassiopeia approximately 18 000 light years from earth a magnetar named 1e 2259 is being studied.
Soho consortium esa nasa.
For comparison the sun s magnetic field is only about 5 gauss.
It s not much different for the sun.
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Flux emergence is accompanied by an equivalent disappearance that results in a mean field in the quiet sun of about 2 gauss.
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.
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The magnetic carpet of the sun credit.
Since then magnetar 1e 2259 hasn t disturbed the depths of space.
The origin of magnetic fields on the sun is explained as a dynamo process in which highly turbulent hot plasma flows.
Here we present preliminary results of 3d time dependent simulations of the small scale coronal field of the magnetic carpet.
Magnetic carpet movie still view 3 magnetic carpet movie still view 4 b.
That s around 1 gauss.
It suddenly began bursting in june 2002 with over 80 bursts recorded within a 4 hour window.