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Fundamental parameters for 30 faint open clusters with Gaia EDR3 based on the more reliable members
Ding X(丁旭)1,2,3,4; Ji KF(季凯帆)1,2,3,4; Li XZ(李旭志)1; Cheng QY(程其原)1,2,3,4; Wang JL(王锦良)1,2,3,4; Yu XG(余晓光)1,2,3,4; Liu H(刘辉)1,2,3,4
Source PublicationPUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN
2021-12
Volume73Issue:6Pages:1486-1496
DOI10.1093/pasj/psab091
Contribution Rank第1完成单位
Indexed BySCI ; EI
Keywordmethods: data analysis methods: statistical open clusters and associations: general
Abstract

An open cluster is an ideal region to study the evolution of stars. In this work, we use Gaia Early Data Release 3 (Gaia EDR3) to derive the fundamental parameters of 30 faint open clusters listed in the catalogue given by Cantat-Gaudin et al. (2018, A&A, 618, A93), but the G magnitude of all of the member stars of that catalogue is brighter than similar to 18 mag. This catalogue does not provide isochrone fitting parameters and spatial structure parameters. We acquired the member stars of 30 open clusters using the Density-Based Spatial Clustering of Applications with Noise algorithm in Gaia EDR3. The G magnitude of the member stars using our method can be found down to similar to 21 mag. The G-band, G(BP) - band, and G(RP)-band data of the member stars construct a good color-magnitude diagram, which can further ensure the precision of isochrone fitting. We also calculated the spatial structure parameters, which are the core radius and the limiting radius, using Markov chain Monte Carlo algorithm.

Funding ProjectChinese Natural Science FoundationNational Natural Science Foundation of China (NSFC)[12073077] ; Chinese Natural Science FoundationNational Natural Science Foundation of China (NSFC)[11873027] ; Chinese Natural Science FoundationNational Natural Science Foundation of China (NSFC)[1210030250] ; Chinese Natural Science FoundationNational Natural Science Foundation of China (NSFC)[11803088] ; Yunnan Science and Technology Department[202003AD150003]
Funding OrganizationChinese Natural Science FoundationNational Natural Science Foundation of China (NSFC)[12073077, 11873027, 1210030250, 11803088] ; Yunnan Science and Technology Department[202003AD150003]
Language英语
Subject Area天文学 ; 天文学其他学科 ; 计算机科学技术 ; 人工智能 ; 计算机应用
MOST Discipline Catalogue理学 ; 理学::天文学
SubtypeArticle
PublisherOXFORD UNIV PRESS
Publication PlaceGREAT CLARENDON ST, OXFORD OX2 6DP, ENGLAND
ISSN0004-6264
URL查看原文
WOS IDWOS:000733238200005
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS KeywordSPIRAL STRUCTURE ; CATALOG
EI Accession Number20220211444998
EI KeywordsStars
EI Classification Number657.2 Extraterrestrial Physics and Stellar Phenomena - 723.2 Data Processing and Image Processing - 903.1 Information Sources and Analysis - 922.1 Probability Theory
Citation statistics
Document Type期刊论文
Version出版稿
Identifierhttp://ir.ynao.ac.cn/handle/114a53/24751
Collection南方基地
双星与变星研究组
中国科学院天体结构与演化重点实验室
天文技术实验室
Corresponding AuthorLiu H(刘辉)
Affiliation1.Yunnan Observatories, Chinese Academy of Sciences (CAS), P.O. Box 110, 650216 Kunming, China;
2.Key Laboratory of the Structure and Evolution of Celestial Objects, Chinese Academy of Sciences, P. O. Box 110, 650216 Kunming, China;
3.Center for Astronomical Mega-Science, Chinese Academy of Sciences, 20A Datun Road, Chaoyang District, Beijing, 100012, China;
4.University of the Chinese Academy of Sciences, Yuquan Road 19#, Shijingshan Block, 100049 Beijing, China
First Author AffilicationYunnan Observatories, Chinese Academy of Sciences
Corresponding Author AffilicationYunnan Observatories, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Ding X,Ji KF,Li XZ,et al. Fundamental parameters for 30 faint open clusters with Gaia EDR3 based on the more reliable members[J]. PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN,2021,73(6):1486-1496.
APA Ding X.,Ji KF.,Li XZ.,Cheng QY.,Wang JL.,...&Liu H.(2021).Fundamental parameters for 30 faint open clusters with Gaia EDR3 based on the more reliable members.PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN,73(6),1486-1496.
MLA Ding X,et al."Fundamental parameters for 30 faint open clusters with Gaia EDR3 based on the more reliable members".PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN 73.6(2021):1486-1496.
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