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Explosive Events in the Quiet Sun Near and Beyond the Solar Limb Observed with the Interface Region Imaging Spectrograph (IRIS)
Vial, J. -C.; Alissandrakis, C. E.
We study point-like explosive events (EE), characterized by emission in the far wings of spectral lines, in a quiet region near the South Pole, using Interface Region Imaging Spectrograph (IRIS) spectra at two slit positions, slit-jaw (SJ) observations, and Atmospheric Imaging Assembly (AIA) images. The events were best visible in Si IV spectra; t…
The Solar Ultra-Violet Imaging Telescope (SUIT) Onboard Intelligence for Flare Observations
Tripathi, Durgesh; Tyagi, Anurag; Sankarasubramanian, K. +14 more
Aditya-L1 is India's first observatory-class solar space mission to study the Sun from the Lagrange L1 point. The Solar Ultra-Violet Imaging Telescope (SUIT) is one of the payloads onboard Aditya-L1. SUIT is an off-axis Ritchey-Chrétien (RC) telescope, which images the Sun onto a 4k×4k CCD covering a field-of-view of 1.5 R⊙ w…
Small-Scale Upflows in a Coronal Hole - Tracked from the Photosphere to the Corona
Barczynski, Krzysztof; Orozco Suárez, David; Mandrini, Cristina H. +4 more
Coronal transients are known as sources of coronal upflows. With the commissioning of Solar Orbiter, it became apparent that coronal small-scale features are even more frequent than previously estimated. It was found that even small coronal features seen by Solar Orbiter can produce visible upflows. Therefore, it is important to study the plasma f…