The magnetic carpet of the sun credit.
Magnetic carpet sun gausee.
Magnetic carpet movie still view 3 magnetic carpet movie still view 4 b.
The kinetic balance of emergence fragmentation merging and cancellation is responsible for the.
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In the constellation cassiopeia approximately 18 000 light years from earth a magnetar named 1e 2259 is being studied.
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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.
That s around 1 gauss.
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Four simulations are considered each with the same evolving photospheric boundary condition.
The sun has a magnetic carpet.
Here we present preliminary results of 3d time dependent simulations of the small scale coronal field of the magnetic carpet.
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.
Hi res image image short description 1980 total eclipse credit.
It suddenly began bursting in june 2002 with over 80 bursts recorded within a 4 hour window.
It s not much different for the sun.
Eclipse and eit stills.
The origin of magnetic fields on the sun is explained as a dynamo process in which highly turbulent hot plasma flows.
For comparison the sun s magnetic field is only about 5 gauss.
High altitude observatory national center for atmospheric research click for jpeg.
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.
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.
Since then magnetar 1e 2259 hasn t disturbed the depths of space.
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.
Let s start with something familiar.