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New open cluster candidates discovered in the XSTPS-GAC survey

文献类型：期刊论文

作者Guo, Jin-Cheng1,2,3; Zhang, Hua-Wei1,2; Zhang, Hui-Hua1,2; Liu, Xiao-Wei1,2,4; Yuan, Hai-Bo5; Huang, Yang1,2,4; Wang, Song3; Chen, Li6; Zhao, Hai-Bin7; Liu, Ji-Feng3
刊名RESEARCH IN ASTRONOMY AND ASTROPHYSICS
出版日期2018-03-01
卷号18期号:3页码:14
关键词open clusters and associations: general Galaxy: structure methods: data analysis
ISSN号1674-4527
DOI10.1088/1674-4527/18/3/32
英文摘要The Xuyi Schmidt Telescope Photometric Survey of the Galactic Anti-center (XSTPS-GAC) is a photometric sky survey that covers nearly 6000 deg(2) towards the Galactic Anti-center (GAC) in the g, r, i bands. Half of its survey field is located on the Galactic Anti-center disk, which makes XSTPS-GAC highly suitable to search for new open clusters in the GAC region. In this paper, we report new open cluster candidates discovered in this survey, as well as properties of these open cluster candidates, such as age, distance and reddening, derived by isochrone fitting in the color-magnitude diagram (CMD). These open cluster candidates are stellar density peaks detected in the star density maps by applying the method from Koposov et al. Each candidate is inspected in terms of its true color image composed from three XSTPS-GAC band images. Then its CMD is checked, in order to identify whether the central region stars have a clear isochrone-like trend differing from background stars. The parameters derived from isochrone fitting for these candidates are mainly based on three band photometry of XSTPS-GAC. Moreover, when these new candidates are able to be seen clearly in 2MASS data, their parameters are also derived based on the 2MASS (J - H, J) CMD. There are a total of 320 known open clusters rediscovered and 24 new open cluster candidates discovered in this work. Furthermore, the parameters of these new candidates, as well as another 11 previously known open clusters, are properly determined for the first time.
WOS关键词SKY SURVEY 2MASS ; EXTINCTION COEFFICIENTS ; STAR-CLUSTERS ; CATALOG ; CALIBRATION ; SYSTEMS
资助项目National Natural Science Foundation of China (NSFC)[11473001] ; National Natural Science Foundation of China (NSFC)[11233004] ; National Natural Science Foundation of China (NSFC)[11078006] ; National Natural Science Foundation of China (NSFC)[11633009] ; National Natural Science Foundation of China (NSFC)[11273067] ; Minor Planet Foundation of Purple Mountain Observatory ; National Key Basic Research Program of China[2014CB845700] ; China Postdoctoral Science Foundation[2017M610695]
WOS研究方向Astronomy & Astrophysics
语种英语
WOS记录号WOS:000428268500008
出版者NATL ASTRONOMICAL OBSERVATORIES, CHIN ACAD SCIENCES
资助机构National Natural Science Foundation of China (NSFC) ; National Natural Science Foundation of China (NSFC) ; Minor Planet Foundation of Purple Mountain Observatory ; Minor Planet Foundation of Purple Mountain Observatory ; National Key Basic Research Program of China ; National Key Basic Research Program of China ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; National Natural Science Foundation of China (NSFC) ; National Natural Science Foundation of China (NSFC) ; Minor Planet Foundation of Purple Mountain Observatory ; Minor Planet Foundation of Purple Mountain Observatory ; National Key Basic Research Program of China ; National Key Basic Research Program of China ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; National Natural Science Foundation of China (NSFC) ; National Natural Science Foundation of China (NSFC) ; Minor Planet Foundation of Purple Mountain Observatory ; Minor Planet Foundation of Purple Mountain Observatory ; National Key Basic Research Program of China ; National Key Basic Research Program of China ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; National Natural Science Foundation of China (NSFC) ; National Natural Science Foundation of China (NSFC) ; Minor Planet Foundation of Purple Mountain Observatory ; Minor Planet Foundation of Purple Mountain Observatory ; National Key Basic Research Program of China ; National Key Basic Research Program of China ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation
源URL[http://ir.bao.ac.cn/handle/114a11/37115]  
专题中国科学院国家天文台
通讯作者Guo, Jin-Cheng
作者单位1.Peking Univ, Dept Astron, Beijing 100871, Peoples R China
2.Peking Univ, Kavli Inst Astron & Astrophys, Beijing 100871, Peoples R China
3.Chinese Acad Sci, Key Lab Opt Astron, Natl Astron Observ, Beijing 100012, Peoples R China
4.Yunnan Univ, South Western Inst Astron Res, Kunming 650500, Yunnan, Peoples R China
5.Beijing Normal Univ, Dept Astron, Beijing 100875, Peoples R China
6.Chinese Acad Sci, Shanghai Astron Observ, Shanghai 200030, Peoples R China
7.Chinese Acad Sci, Purple Mt Observ, Nanjing 210008, Jiangsu, Peoples R China
推荐引用方式
GB/T 7714		 Guo, Jin-Cheng,Zhang, Hua-Wei,Zhang, Hui-Hua,et al. New open cluster candidates discovered in the XSTPS-GAC survey[J]. RESEARCH IN ASTRONOMY AND ASTROPHYSICS,2018,18(3):14.
APA Guo, Jin-Cheng.,Zhang, Hua-Wei.,Zhang, Hui-Hua.,Liu, Xiao-Wei.,Yuan, Hai-Bo.,...&Wang, Chun.(2018).New open cluster candidates discovered in the XSTPS-GAC survey.RESEARCH IN ASTRONOMY AND ASTROPHYSICS,18(3),14.
MLA Guo, Jin-Cheng,et al."New open cluster candidates discovered in the XSTPS-GAC survey".RESEARCH IN ASTRONOMY AND ASTROPHYSICS 18.3(2018):14.

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