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Discovery of Two Nearby Post-T Tauri Stellar Associations
Liu,Jiaming1; Fang,Min2; Liu,Chao3,4
2020-02-13
Source PublicationThe Astronomical Journal
ISSN0004-6256
Volume159Issue:3
AbstractAbstract In this work we report the discovery of two new stellar associations in close vicinity of the Sun at roughly 180 and 150 pc. These two associations, u Tau assoc and e Tau assoc, were detected based on their clustering in a multi-dimensional parameter space including α, δ, μα, μδ, and ? of Gaia. The fitting of pre-main-sequence model isochrones in their color–magnitude diagrams suggests that the two associations are of about 50 Myr old and the group members lower than ~0.8?M⊙ are at the stage of post-T Tauri.
KeywordPre-main sequence Pre-main sequence stars Young star clusters
DOI10.3847/1538-3881/ab6b22
Language英语
WOS IDIOP:0004-6256-159-3-ab6b22
PublisherThe American Astronomical Society
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Document Type期刊论文
Identifierhttp://ir.bao.ac.cn/handle/114a11/53945
Collection中国科学院国家天文台
Affiliation1.Key Lab of Optical Astronomy, National Astronomical Observatories, CAS, Beijing 100101, People's Republic of China; jmliu@nao.cas.cn
2.Department of Astronomy, University of Arizona, 933 North Cherry Avenue, Tucson, AZ 85721, USA; mfang@email.arizona.edu
3.University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China
4.Key Lab of Space Astronomy and Technology, National Astronomical Observatories, CAS, Beijing 100101, People's Republic of China; liuchao@nao.cas.cn
Recommended Citation
GB/T 7714
Liu,Jiaming,Fang,Min,Liu,Chao. Discovery of Two Nearby Post-T Tauri Stellar Associations[J]. The Astronomical Journal,2020,159(3).
APA Liu,Jiaming,Fang,Min,&Liu,Chao.(2020).Discovery of Two Nearby Post-T Tauri Stellar Associations.The Astronomical Journal,159(3).
MLA Liu,Jiaming,et al."Discovery of Two Nearby Post-T Tauri Stellar Associations".The Astronomical Journal 159.3(2020).
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