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Solar Jet Hunters Caught 883 Giant Plasma Jets!

Volunteers for NASA’s Solar Jet Hunters project have been scanning the Sun’s surface, watching and waiting for bursts of plasma. Now, they are celebrating their first big haul: a catalog of 883 jets of plasma spurting from the Sun, each one bigger than the Earth. The catalog is available for download and described in a new paper published in Astronomy & Astrophysics.

“It is an important milestone, made possible thanks to the many contributions of the Solar Jet Hunters, who identified and annotated the jets in solar observations,” said Dr. Sophie Musset, Solar Jet Hunters PI and Senior Scientist at The Johns Hopkins University Applied Physics Laboratory.

The new catalog will enable statistical studies of jets and related phenomena and serve as a training set to help machines recognize jets in upcoming data sets. The publication describes the catalog, the project setup, the data analysis by volunteers, and the aggregation of the results. You can find more details about the catalogue and the publication can be found on the Solar Jet Hunter blog

The Solar Jet Hunter project is temporarily out of data, but it will be back in a few months with more exciting ways you can do NASA solar jet science! Stay tuned!

Visual representation of jets on the Sun displayed on a spherical map with latitude and longitude lines. Color-coded circular markers of varying sizes represent the frequency and magnitude of jets observed over time, ranging from 2012 to 2016. The color bar on the right indicates the years, transitioning from blue for earlier years to red for later years. Larger circles denote higher activity levels.
Locations of the 883 jets in the new catalog from the Solar Jet Hunters project. The grid represents the solar surface. The color of each circle gives the year of the jet, and the size of the circle indicates the jet’s approximate size. Image from Musset et al, 2024, A&A 688, A127.

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Last Updated
Jan 21, 2025