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名稱Title
2018天文年會
國立金門大學
5月18日至20日

論文摘要

Finding new Cepheids in the open clusters with their location in the color-magnitude diagram -- tests with existing data and known Cepheids

[ Poster PS28 ]

Shih-Chang Luo(NCU); Chow-Choong Ngeow(NCU)

Cepheids in open clusters can be used to calibrate the period-luminosity relation. Currently there are ~30 Cepheids found in the open clusters, in comparison there are more than ~1000 open clusters in our Galaxy. The goal of our project is to find new Cepheids in the open clusters, by using their location in the color-magnitude diagram (CMD). To test our method, we first construct the CMD for the ~14 open clusters that host Cepheids by using the cluster data from WEBDA and 2MASS. Then we find 10 candidate clusters that probably have Cepheids and attempt to analyze their data. In this Poster, we will present our final test results.