Explore the intricacies of data collection and analysis using the IAXO pathfinder system in this informative 33-minute lecture. Delve into the methodologies and techniques employed for gathering and interpreting data from this cutting-edge scientific instrument. Gain insights into the challenges and opportunities presented by the IAXO pathfinder, and understand its significance in advancing our knowledge of particle physics and astrophysics. Learn about the latest developments in data processing and interpretation, and discover how researchers are utilizing this system to push the boundaries of our understanding of the universe.