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- W4367060841 abstract "This work presents the charge-coupled device (CCD) photometric survey of the old open cluster NGC 188. Time-series V-band photometric observations were conducted for ten nights in January 2017 using the Nanshan One-meter Wide-field Telescope (NOWT) to search for variable stars in the field of the cluster field. A total of 25 variable stars, including one new variable star, were detected in the target field. Among the detected variables, 16 are cluster member stars, and the others are identified as field stars. The periods, radial velocities, effective temperatures, and classifications of the detected variables are discussed in this work. Most of the stars' effective temperatures are between 4200 K and 6600 K, indicating their spectral types are G or K. The newly discovered variable is probably a W UMa system. In this study, a known cluster variable star (V21 = V0769 Cep) is classified as an EA-type variable star based on the presence of an 0.5 magnitude eclipse in its light curve." @default.
- W4367060841 created "2023-04-27" @default.
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- W4367060841 date "2023-04-25" @default.
- W4367060841 modified "2023-09-27" @default.
- W4367060841 title "Variable stars detection in the field of open cluster NGC 188" @default.
- W4367060841 doi "https://doi.org/10.48550/arxiv.2304.12738" @default.
- W4367060841 hasPublicationYear "2023" @default.
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