Chandra X-ray Observatory Stack acisfJ2332203m000019_001

CSC uses combined (i.e. overlapping) Chandra observations for detecting X-ray sources. This allows the catalog to include significantly fainter sources than CSC 1.1. The set of overlapping observations that have been combined in this way is known as a "stack".CSC依托组合（即重叠）的钱德拉（Chandra）观测数据开展X射线源（X-ray sources）探测工作。此举可使该星表收录比CSC 1.1版本显著更暗的源。以该方式组合的重叠观测数据集被称为"叠加观测集（stack）"。