Association Between Magnetic Pressure Difference and the Movement of Solar Pores
Solar pores are closely related to the concentration, dissipation, and transportation of solar magnetic flux. Their observable characteristics can provide constraints on models and simulations of magnetic flux emergence and formation. The specific property investigated in this study is their horizon...
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Veröffentlicht in: | The Astrophysical journal 2023-03, Vol.946 (1), p.9 |
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description | Solar pores are closely related to the concentration, dissipation, and transportation of solar magnetic flux. Their observable characteristics can provide constraints on models and simulations of magnetic flux emergence and formation. The specific property investigated in this study is their horizontal movement. The aim is to investigate whether the movement is correlated with any observable quantities. Our statistical analysis of 61 compact pores identified from the Spaceweather HMI Active Region Patches (SHARP) from 2011 to 2018 indicates that the direction of movement is often either parallel or antiparallel to the direction of maximum magnetic pressure difference (
dP
mag
) at the opposite sides of the edges of the pores. The correlation coefficients for both the parallel and antiparallel cases are higher than 0.74. Despite the high correlation, our analysis using the transfer entropy indicates no significant causal relationship between the direction of motion and the direction of maximum
dP
mag
. |
doi_str_mv | 10.3847/1538-4357/acbe43 |
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dP
mag
) at the opposite sides of the edges of the pores. The correlation coefficients for both the parallel and antiparallel cases are higher than 0.74. Despite the high correlation, our analysis using the transfer entropy indicates no significant causal relationship between the direction of motion and the direction of maximum
dP
mag
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dP
mag
) at the opposite sides of the edges of the pores. The correlation coefficients for both the parallel and antiparallel cases are higher than 0.74. Despite the high correlation, our analysis using the transfer entropy indicates no significant causal relationship between the direction of motion and the direction of maximum
dP
mag
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dP
mag
) at the opposite sides of the edges of the pores. The correlation coefficients for both the parallel and antiparallel cases are higher than 0.74. Despite the high correlation, our analysis using the transfer entropy indicates no significant causal relationship between the direction of motion and the direction of maximum
dP
mag
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subjects | Astrophysics Constraint modelling Correlation coefficient Correlation coefficients Entropy Magnetic flux Magnetic properties Pores Solar active region magnetic fields Solar active regions Solar activity Solar magnetic fields Solar magnetic flux Solar magnetic flux emergence Solar physics Statistical analysis |
title | Association Between Magnetic Pressure Difference and the Movement of Solar Pores |
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