The Extreme Universe Space Observatory on a Super Pressure Balloon 2 - Overview, Targets of Opportunity and Preliminary Results

The Extreme Universe Space Observatory on a Super Pressure Balloon 2 (EUSO-SPB2) was launched May 13th 2023 from Wanaka, New Zealand with a mission to make new measurements from suborbital space as a precursor for future space missions that aim to identify the sources ultra-high energy cosmic rays and very high energy neutrinos. The EUSO-SPB2 payload featured two 1m diameter aperture telescopes. The Fluorescence Telescope (FT) utilized a PMT camera pointed in nadir to record fluorescence light from cosmic ray extensive air showers (EASs) with energies above 1 EeV in its field of view of 36 by 12 degrees. The Cherenkov Telescope (CT) featured a silicon photomultiplier camera system with a field of view of 12 by 6 degrees for observing Cherenkov emission of cosmic ray EASs with energies above 1 PeV with an above-the-limb geometry and of PeV-scale EASs initiated by neutrino-sourced tau decay. I will present an overview of the EUSO-SPB2 mission, its science goals, and a summary of the Targets of Opportunity catalog, prioritization, and software that was used during the 2023 flight to identify potential sources of tau neutrinos including gamma-ray bursts, tidal disruption events, and binary neutron star mergers. I will also present preliminary results as available from the 2023 flight.