2MASS Calibration Merged Extended Source Information Table

Photometric calibration for 2MASS was performed using observations of calibration fields made at regular intervals during each night of survey operations....2微米全天巡天（Two Micron All-Sky Survey，2MASS）的光度校准工作，依托巡天观测期间每个夜晚按固定间隔开展的校准场观测数据完成。