List of Chandra ACIS Observations for X-ray Transient Studies (1998–2024)

📄 Description of the file master_obsid_list.csv This dataset contains a comprehensive list of unique Chandra ACIS Observation IDs (OBSID) used for X-ray transient analyses, covering all yearly ACIS observations from 1998 to 2024. Each row corresponds to one unique Chandra observation ID. Column: OBSID: Unique Chandra ACIS Observation ID. This master list can be used to reproduce or extend analyses of X-ray transients in the Chandra archive and ensures consistency across related studies, including the X-ray Transient Candidate Database using a custom detection pipeline.