Photometric Study of the Open Cluster NGC 225статья
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Дата последнего поиска статьи во внешних источниках: 18 мая 2022 г.
Аннотация:—NGC 225 is a young moderately populated cluster with discrepant age, distance, and color excessestimates reported by different authors. We combine our photometry with the data from large surveys(2MASS, WISE, Pan-STARRS) to derive the parameters of NGC 225 and study the extinction law in thenear infrared in the direction of the cluster. We use theoretical isochrones to infer the color excess E(B-V = 0.29 +- 0.01 ,distance D = 667 +- 18 pc, and Age = 100–160 Myr. We fit extinction in the infrared by a power-law relation, l^(-a) ,and find a = 2.16 +- 0.34.