Association Between Magnetic Pressure Difference and the Movement of Solar Pores

Merlin M. Mendoza, Chia Hsien Lin

Research output: Contribution to journalArticlepeer-review


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.

Original languageEnglish
Article number9
JournalAstrophysical Journal
Issue number1
StatePublished - 1 Mar 2023


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