ExSeSS is a sample of truly serendipitous sources at high Galactic latitudes, covering an area of >2000 deg2. It is fully described in Delaney et al., 2023 (MNRAS, in press; on arXiv or here).
This sample will be documented here, and integrated into our 2SXPS selection tools in the near future.
You can download the ExSeSS sample as: