Variable stars in NGC 6819 field

We report on the discovery of 141 further variable stars found in the field of the open cluster NGC 6819. The stars were identified from time-series photometric data obtained on...本研究报道了在疏散星团（open cluster）NGC 6819的天区内发现的另外141颗变星（variable stars）。这批变星是通过……获取的时间序列测光数据（time-series photometric data）证认得到的。