Presentation #303.03 in the session Missions and Instruments.
Micro-X is an x-ray space telescope and NASA sounding rocket payload that had its second flight on August 21, 2022 to observe the supernova remnant Cas A. The flight was a comprehensive success and marked the first astrophysical x-ray observation with Transition-Edge Sensors (TES) and their Superconducting QUantum Interference Device (SQUID) readouts in space. Micro-X specializes in high-resolution and spatially resolved spectra of diffuse, soft x-ray sources. The 128-pixel detector array paired with the onboard x-ray mirror has an effective 11.8 arcmin field of view, and was exposed to Cas A during a 300 second observation period. We present the measured Cas A spectra and the general payload performance in second flight.