Affiliation

Aberystwyth University, United Kingdom

Main category

Natural Sciences (Astrophysics and Astrononmy)

Caption

Observations of small-scale brightenings in the low solar atmosphere can provide valuable constraints on possible heating and heat transport mechanisms. We present a method for the detection and analysis of bright points (BPs), and demonstrate its application to time-series imagery of the Interface Region Imaging Spectrograph (IRIS) in the extreme ultraviolet. The method is based on spatio-temporal band-pass filtering, adaptive thresholding and centroid tracking, and records an event’s spatial position, duration, speed, total brightness, maximum brightness, and intrinsic brightness. Spatial area, brightness, and position are also recorded as functions of time throughout the event’s lifetime. Read more at https://espos.stream/2024/05/30/Humphries/.

DOI

10.18147/smn.2024/video:367

Link this video

https://science-media.org/video/367