Speaker
Description
First Name: Laura
Last Name: Hayes
Email Address: laura.hayes@dias.ie
Affiliation: Dublin Institute for Advanced Studies
All Authors: Laura Hayes, Säm Krucker, Shane Maloney, Hannah Collier
Abstract: Solar Orbiter has now observed half a solar cycle of solar activity, with STIX providing a uniquely rich hard X-ray view of flares from a wide range of distances and heliospheric vantage points. From close-approach disk flares to far-limb and backside events, STIX has built the largest and most diverse X-ray flare dataset of Solar Cycle 25, allowing us to ask: what does a “typical” solar flare look like from Solar Orbiter? Using the full STIX flare list and a superposed epoch analysis, we identify new, recurring patterns in the timescales of energy release, the evolution of impulsive hard X-ray signatures, and statistical relationships between duration, spectral behaviour, pulse structure, and other flare properties. These results establish a robust X-ray flare baseline that can be compared with complementary flare diagnostics, enabling multi-perspective studies of flare evolution. We also highlight several of the largest and most complex events, showing how extended, multi-pulse hard X-ray emission fits within the broader statistical trends. Together, these findings provide new constraints on particle acceleration, magnetic reconnection, and CME initiation, offering fresh mission-scale insight into eruptive solar activity.