论文标题
在Cygnus Cloud中发现了四个新簇
Discovery of Four New Clusters in the Cygnus Cloud
论文作者
论文摘要
我们在Cygnus Cloud的方向上报告了四个新的开放群集（称为QC 1，QC 2，QC3和QC 4），并基于GAIA DR2的五个星体参数（L，B，B，VARPI，μ^*_α，μ_δ）选择其成员。我们还为每个新集群得出它们的天体物理参数。结构参数是通过将径向密度分布与King的轮廓拟合而生成的。使用太阳金属性，我们在其纯化的颜色标记图（CMD）上进行了等线构型，以达到簇的年龄。选择相邻区域的已知簇NGC 7062以验证我们的识别过程。 NGC 7062的估计距离，变红和年龄与文献非常吻合。
We report the discovery of four new open clusters (named as QC 1, QC 2, QC3 and QC 4) in the direction of Cygnus Cloud and select their members based on five astrometric parameters (l, b, \varpi, μ^*_α, μ_δ) of Gaia DR2. We also derive their astrophysical parameters for each new cluster. Structure parameters are generated by fitting the radial density distribution with King's profile. Using solar metallicity, we performed isochrone-fitting on their purified color-magnitude diagrams (CMDs) to achieve the age of the clusters. The known cluster NGC 7062 at adjacent area is chosen to verify our identification process. The estimated distance, reddening and age of NGC 7062 are in good agreement with the literature.
