Mathur, Harsh; Joshi, Jayant; Nagaraju, K; van der Voort, Luc Rouppe; Bose, Souvik
(EDP Sciences, 2022-12)
Context. Short-lived (100 s or less), sub-arcsec to a couple of arcsec sized features of enhanced brightenings in the narrowband images
at the H2V and K2V positions of the Ca ii H&K lines in the quiet Sun are known as ...