Enhanced Joule Heating in Umbral Dots
classification
🌌 astro-ph
keywords
heatingjoulemagneticcomponentdotsfieldumbralazimuthal
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We present a study of magnetic profiles of umbral dots (UDs) and its consequences on the Joule heating mechanisms. Hamedivafa (2003) studied Joule heating using vertical component of magnetic field. In this paper UDs magnetic profile has been investigated including the new azimuthal component of magnetic field which might explain the relatively larger enhancement of Joule heating causing more brightness near circumference of UD.
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