42 citations · 209 across the 17 of their papers we have counts for
8 papers · 1 filter
Efficiency of solar microflares in accelerating electrons when rooted in a sunspot
Jonas Saqri, Astrid M. Veronig, Andrea Francesco Battaglia +3
We investigate two microflares of GOES classes A9 and C1 (after background subtraction) observed by STIX onboard Solar Orbiter with exceptionally strong nonthermal emission. We com…
The existence of hot X-ray onsets in solar flares
Andrea Francesco Battaglia, Hugh Hudson, Alexander Warmuth +9
It is well known among the scientific community that solar flare activity often begins well before the main impulsive energy release. Our aim is to investigate the earliest phase o…
Multi-point study of the energy release and transport in the 28 March 2022, M4-flare using STIX, EUI, and AIA during the first Solar Orbiter nominal mission perihelion
Stefan Purkhart, Astrid M. Veronig, Ewan C. M. Dickson +6
We present a case study of an M4-class flare on 28 March 2022, near Solar Orbiter's first science perihelion (0.33 AU). Solar Orbiter was 83.5° west of the Sun-Earth line, making t…
STIX imaging I -- Concept
Paolo Massa, Gordon. J. Hurford, Anna Volpara +17
Aims. To provide a schematic mathematical description of the imaging concept of the Spectrometer/Telescope for Imaging X-rays (STIX) on board Solar Orbiter. The derived model is th…
Multi-point study of the energy release and impulsive CME dynamics in an eruptive C7 flare
J. Saqri, A. M. Veronig, E. C. M. Dickson +6
We combine observations from different vantage points to perform a detailed study of a long duration eruptive C7 class flare that occurred on 17 April 2021 and was partially occult…
The data center for the Spectrometer and Telescope for Imaging X-rays (STIX) onboard Solar Orbiter
Hualin Xiao, Shane Maloney, Säm Krucker +12
The Spectrometer and Telescope for Imaging X-rays (STIX) on board Solar Orbiter observes solar X-ray emission in the range of 4 – 150 keV and produces spectra and images of s…
Characterising fast-time variations in the hard X-ray time profiles of solar flares using Solar Orbiter's STIX
Hannah Collier, Laura A. Hayes, Andrea F. Battaglia +2
Aims: The aim of this work is to develop a method to systematically detect and characterise fast-time variations (s) in the non-thermal hard X-ray (HXR) time profiles of…
Multiple injections of energetic electrons associated with the flare/CME event on 9 October 2021
Immanuel Christopher Jebaraj, Athanasios Kouloumvakos, Nina Dresing +11
We study the solar energetic particle (SEP) event observed on 9 October 2021, by multiple spacecraft including Solar Orbiter (SolO). The event was associated with an M1.6 flare, a…